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42:
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1040:. It was designed for stability at 80 miles per hour (130 km/h), allowing for a wide margin of reliability and safety, as steam locomotives normally operated well below that speed in freight service. Peak power was reached around 35 mph (56 km/h); optimal tractive effort was maintained up to around 10 mph (16 km/h). It is longer than two
1169:. This was done by replacing the firebox grates with a fire pan and an oil burner. This made No. 4014 the first Big Boy to undergo a coal-to-oil conversion since No. 4005, which ran on oil from 1946 until it was converted back to coal in 1948 due to uneven heating in its large, single-burner firebox. No. 4014's old firebox grates were salvaged and used on the
1675:
1205:. Additionally, No. 3985's original tender, No. 25-C-311, is connected to No. 4014 to meet the restoration deadline. In January 2020, Union Pacific officials announced that the UP Steam Team would operate just two steam locomotives—Nos. 844 and 4014—and would retire No. 3985, which was in poor mechanical condition.
1270:, announced plans to convert No. 4014's original tender, No. 25-C-116, to carry fuel oil instead of coal. The tender is to be reconnected with No. 4014 and the No. 25-C-311 tender will be reconnected to the No. 3985 locomotive, which is to be donated by UP to the RRHMA. In late July 2022, No. 4014 pulled the
1141:
In August 2016, a month after No. 844's repairs and inspection were complete, UP officials announced that the restoration work of No. 4014 had begun under
Heritage Fleet Operations director Ed Dickens. By early 2017, the locomotive had been completely disassembled. Some new parts were fabricated,
1072:
No. 4014's last routine repairs took place in 1956. The locomotive completed its final revenue run on July 21, 1959, just hours before the last revenue run by any Big Boy. It had traveled 1,031,205 miles (1,659,564 km) during its revenue service. Union
Pacific retired No. 4014 on December 7,
1105:
In late 2012, Union
Pacific officials announced that they intended to obtain a Big Boy locomotive for restoration to operational condition for excursion service. On July 23, 2013, UP announced that the Southern California Chapter of the Railway & Locomotive Historical Society (R&LHS) had
1371:
In 2021, No. 4014 became the first mainline steam locomotive to be equipped with PTC. Initially, its PTC display was powered by computers and equipment in its helper diesel locomotive, No. 4015. In May 2024, PTC equipment was installed in a cabinet in the tender, and a third dynamo added to the
1056:
ALCO built No. 4014 in
November 1941 at a cost of $ 265,174 ($ 5,493,000 in 2023) and delivered it the following month to Union Pacific, which placed it in revenue service. No. 4014 was part of the first group of 20 Big Boys, called 4884–1. Designed to haul 3,600-short-ton (3,214-long-ton;
1095:"No other railroad has retained its historical equipment or honored its American roots like Union Pacific. Our steam locomotive program is a source of great pride to UP employees past and present. We are very excited about the opportunity to bring history to life by restoring No. 4014."
1109:
On
November 14, 2013, No. 4014 began its journey to the UP Steam Shop in Cheyenne. It was pulled from its display site at the museum, on temporary track, through the adjacent parking lot. On January 26, 2014, No. 4014 was pulled from the Los Angeles County Fairplex to the
1463:
974:. In May 2019, No. 4014 moved under its own power after sitting dormant for almost six decades, becoming the world's largest operational steam locomotive and the only operating Big Boy locomotive of the eight that remain in existence. It now operates in
1028:
to about 235 by 96 inches (5.97 m × 2.44 m) (about 155 sq ft or 14.4 m), lengthening the boiler, adding four driving wheels, and reducing the diameter of the driving wheels from 69 to 68 in (1,753 to 1,727 mm).
3885:
1180:
and the locomotive was successfully test-fired on April 9. Around 9 p.m. on May 1, 2019, No. 4014 moved under its own power for the first time in almost 60 years. The following evening, the locomotive made its first test run, from
Cheyenne to
1397:
3709:
1336:, on July 12 and 13, and Ogden, Utah on July 20 and 21. The second tour began on August 28; it is to stop in Texas, Arkansas, Kansas, and Illinois. On the second tour's journey through Iowa in September, American comedian and former
2062:
3195:
1611:
1134:, where it sat on display until April 28, when it began its journey to Cheyenne. After arriving at the Steam Shop's roundhouse on May 8, No. 4014 sat largely idle for two years while the UP steam crew worked to overhaul
1774:
members that the auction "was manipulated by an individual and did not result in an award to the highest bidder" and that as a result, the museum would sell two tickets, priced at $ 9,500 each, at 5 p.m. CDT on its
3592:
3072:
3652:
1507:
1057:
3,266 t) freight trains over the
Wasatch Range, the Big Boys routinely pulled freight trains of up to 4,200 short tons (3,750 long tons; 3,810 t). During a test on April 2, 1943, No. 4014 pulled 65
3895:
4163:
2661:
4287:
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3102:
1239:, UP announced in March 2020 that it would cancel that year's steam operations with Nos. 4014 and 844. Excursion operations resumed in August and September 2021 with No. 4014 doing tour stops in
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In March 2018, it was reported that No. 4014 was being reassembled; ten months later, the locomotive's restoration was nearly finished. On
February 6, 2019, No. 4014's boiler passed a
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4377:
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1368:(FRA) to exempt UP Nos. 4014 and 844 from federal positive train control (PTC) requirements; three months later, the FRA officials responded that such waivers were not needed.
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160:
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On April 10, 2019, the diesel locomotive numbered 4014 was redesignated as 4479 on the UP active locomotive roster, allowing the "Big Boy" to retain the number.
1441:
2025:
4265:
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1952:
1216:, No. 4014 — doubleheaded with No. 844 — traveled to Ogden, Utah. No. 4014 subsequently made two tours on its own. From July 8 to August 8, it visited the
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3011:
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1893:
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2105:
How Much Is That in Real Money? A Historical Price Index for Use as a
Deflator of Money Values in the Economy of the United States: Addenda et Corrigenda
1861:
1078:
952:
2707:
4232:
3228:
2989:
2501:
4102:
3854:
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2542:
2402:
2291:
4202:
4748:
3828:
2759:
4072:
4015:
3740:
4141:
3539:
3473:
2190:
3802:
4595:
3335:
2950:
2233:
1997:
1821:
1658:
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3947:
3351:
2140:
1597:
4385:
4438:
3389:
3622:
3444:
3422:
3561:
2479:
2174:
3925:
3352:"World's Largest Steam Locomotive Returns to the Rails as Union Pacific Commemorates Transcontinental Railroad's 150th Anniversary"
1142:
including the rod brasses, top boiler check valve, and lubricator check valves. The driving wheels were sent to be repaired by the
4045:
2581:
2125:
How Much Is That in Real Money? A Historical Price Index for Use as a
Deflator of Money Values in the Economy of the United States
4588:
3304:
2830:
2919:
1850:
1365:
1325:
1209:
3270:
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3503:"Union Pacific's Big Boy No. 4014 Locomotive Concludes 150th Anniversary Celebration with 'Great Race Across the Southwest'"
3445:"Union Pacific Recreates Historic Steam Meet, Commemorating 150th Anniversary of the Transcontinental Railroad's Completion"
2446:
2225:
1638:
1453:
1225:
1213:
4355:
3683:"Union Pacific, Railroading Heritage of Midwest America reach agreement to preserve historic locomotives, passenger cars"
4723:
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4683:
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2923:
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2132:
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1119:
937:
921:
883:
237:
1208:
In May 2019, No. 4014 made its first excursion run amid the celebrations marking 150 years since the completion of the
4468:
3049:
2612:
2035:
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1961. All of the remaining Big Boys were retired by 1962, when their duties were taken over by diesel locomotives and
1006:
933:
92:
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2039:
4257:
3803:"World's Largest Steam Locomotive 'Big Boy No. 4014' Returns to the Tracks to Celebrate 160 years of Union Pacific"
2474:
2339:
1750:
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1302:
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3710:"Railroading Heritage of Midwest America, Union Pacific agree to donation of Challenger, other locomotives, cars"
3141:
2317:
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1962:
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3019:
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1900:
1643:
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1131:
960:
4224:
2509:
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1989:
1279:
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3200:
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1333:
996:
929:
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for the UP steam program. No. 4014 became the first mainline steam locomotive to be equipped with the
4080:
3754:
2608:
1728:
1352:
1318:
1275:
3477:
2198:
4547:
3806:
2165:
World's Greatest Steam Locomotives: C&O 2-6-6-6, Virginian 2-6-6-6, N&W 2-6-6-4, UP 4-8-8-4
1740:
No. 261 may be converted to burn oil, depending on the feasibility study and cost-benefit analysis.
1584:
1329:
1143:
1138:. The Steam Shop also used the time to expand and upgrade its facilities to accommodate a Big Boy.
1074:
1037:
4416:
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1077:(GTELs). That same year, Union Pacific donated No. 4014 to the Southern California chapter of the
4424:
3948:"Union Pacific's Historic 'Big Boy No. 4014' Set to Score a Home Run During College World Series"
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752:
51:
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2123:
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The work included one major alteration: converting the coal-burning locomotive to run on No. 5
970:
In 2013, UP re-acquired the locomotive and launched a restoration project at its Steam Shop in
4663:
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3331:
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2170:
1993:
1957:
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1390:
UP No. 4014 on static display at the RailGiants Train Museum in Pomona, California, in 2005
3474:"Union Pacific's Big Boy No. 4014 Locomotive Prepares for 'Great Race Across the Midwest'"
1515:
1405:
1372:
locomotive to provide electrical power, allowing No. 4014 to run without a diesel helper.
1324:
Two tours were planned for 2024. The first ran from June 30 to July 26, with stops at the
1314:
1294:
1194:
1123:
1010:
975:
742:
352:
3623:"Full Steam Ahead: World's Largest Steam Locomotive Returns with 'The Big Boy 2021 Tour'"
3569:
1321:, to Cheyenne were sold for $ 9,500 apiece to benefit the Union Pacific Railroad Museum.
1193:
Once restored, No. 4014 joined the railroad's never-retired No. 844 steam locomotive in
2163:
1813:
1691:
1182:
1111:
1017:. A team led by UP's chief mechanical officer Otto Jabelmann adapted the design of the
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UP's original plan was to auction off one cab ride. But on June 23, UP informed its
1305:
on June 15-21 and 24-25. During the return journey to Cheyenne on June 29, No. 4014
3653:"Original Big Boy tender to be restored by Railroading Heritage of Midwest America"
3417:
1758:
1541:
1159:
1926:
951:. The locomotive was retired from revenue service in 1959 and was donated to the
4562:
4524:
4164:"Big Boy 4014 gets drivers; UP asks for PTC waivers for three steam locomotives"
3777:"Union Pacific Announces Big Boy No. 4014 July Trip between Denver and Cheyenne"
3073:"Big Boy 4014, a hydrostatic test, and why UP can beat the usual six month rule"
2030:
1754:
1619:
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1085:, where it became one of the eight Big Boys preserved around the United States.
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170:
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1409:
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2856:"Union Pacific confirms Big Boy 4-8-8-4 No. 4014 for Ogden in 2019 and more"
2067:
1256:
341:
247:
17:
3975:"Wyoming's Big Boy 4014 Locomotive Rescues Freight Train Stuck In Nebraska"
4410:
3103:"Big Boy No. 4014 fired up for the first time; May 12 excursion announced"
4509:
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1449:
1431:
1343:
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398:
3685:(Press release). Railroading Heritage of Midwest America. Archived from
3328:
Union Pacific's Big Boys: The Complete Story from History to Restoration
2347:
1749:
UP originally announced on April 11, 2022, that No. 4014 would tour the
1286:
from the Cheyenne roundhouse and around the yard for testing before the
4651:
4557:
3890:
2793:"Steam Update: With Disassembly Complete, Big Boy Fabrication Underway"
1724:
1347:
1244:
1018:
152:
4134:"Jay Leno Climbs Aboard Cheyenne's Big Boy Locomotive For His TV Show"
4700:
4688:
4676:
4552:
2502:"Fans Welcome Big Boy No. 4014's Return to the National Rail Network"
1720:
1287:
1260:
2572:"Big Boy's wheels to roll Monday on epic California-Wyoming journey"
1266:
In May 2022, the Railroading Heritage of Midwest America (RRHMA) in
1674:
4638:
2982:"Study will consider conversion of Milwaukee Road 261 to burn oil"
1523:
1427:
3686:
3505:(Press release). Union Pacific. September 5, 2019. Archived from
3829:"Union Pacific Postpones Big Boy No. 4014 West Coast Steam Tour"
2063:"Refurbished 'Big Boy' locomotive weighs more than a Boeing 747"
1155:
402:
4584:
4420:
4288:"Diesel helpers often lend a hand on mainline steam excursions"
4195:"FRA: UP doesn't need waiver to run steam 11,000 miles in 2019"
4348:"Union Pacific to renumber SD70M No. 4014 before Big Boy runs"
3831:(Press release). Union Pacific. April 22, 2022. Archived from
3805:(Press release). Union Pacific. April 11, 2022. Archived from
3354:(Press release). Union Pacific. March 14, 2019. Archived from
4258:"UP 4014 First Main Line Steam Locomotive Outfitted With PTC"
3861:. White River Productions. September 15, 2022. Archived from
3779:(Press release). Union Pacific. July 21, 2022. Archived from
3625:(Press release). Union Pacific. June 14, 2021. Archived from
3476:(Press release). Union Pacific. June 13, 2019. Archived from
3382:"Big Boy christened, begins trip to Golden Spike celebration"
2470:"Gigantic, 73-year-old steam locomotive pays visit to Covina"
2316:(Press release). Union Pacific. July 23, 2013. Archived from
2314:"Union Pacific Railroad Acquires Big Boy Locomotive No. 4014"
1604:
4014 leaving Roseville, CA bound for Sparks, NV July 14, 2024
602:
24 in × 32 in (610 mm × 813 mm)
4008:"UP placing two tickets on sale today for Big Boy cab rides"
3950:(Press release). Union Pacific. May 19, 2023. Archived from
3468:
3466:
1757:, but the tour was cancelled on April 22 so UP could reduce
4318:"'Big Boy' 4014 Runs on Main Line Solo With New PTC System"
3447:(Press release). Union Pacific. May 9, 2019. Archived from
3413:"Thousands turn out as Big Boy locomotive rolls into Ogden"
2662:"Big Boy 4014 restoration still set for completion in 2019"
3886:"3 of the largest and rarest locomotives arrive in Silvis"
3530:"Historic locomotive Big Boy No. 4014 rolls into St. Paul"
1864:, Southern California Chapter. August 2014. Archived from
438:
20–25 US gal (76–95 L) of fuel oil per mile
4079:. White River Productions. April 10, 2024. Archived from
1130:
colors. It presently arrived at UP's West Colton Yard in
1069:, generating a maximum of 5,530 hp (4,120 kW).
4378:"Diesel No. 4014 gets new number ahead of Big Boy debut"
4225:"Big Boy Flexes Its Muscles with Positive Train Control"
4324:. White River Productions. May 23, 2024. Archived from
1346:
hitched a ride on No. 4014 to film the episode for his
1282:. On September 14, 2022, No. 4014 was fired up to move
3855:"Union Pacific Fires Up 'Big Boy' to Move Rare 2-10-2"
1986:
The American Steam Locomotive in the Twentieth Century
3012:"Steam Update: Big Boy's Restoration Nearly Complete"
1753:, starting on June 26 in commemoration of UP's 160th
1663:
3256:
3254:
3196:"The Big Boy leaves the shop and heads into history"
3134:"Under its own power, Big Boy moves outside of shop"
2284:"Union Pacific studying Big Boy restoration project"
2247:
2245:
4662:
4623:
4533:
4500:
4467:
4170:. Kalmbach Media. December 13, 2018. Archived from
2951:"Minnesota steam engine to use Big Boy fire grates"
2730:"Steam Update: Big Boy No. 4014 Restoration Begins"
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876:
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852:
842:
834:
824:
816:
802:
794:
784:
774:
769:
751:
741:
737:
6,290–7,000 hp (4,690–5,220 kW) @ Drawbar
731:
721:
716:
700:
690:
680:
672:
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477:
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452:
444:
440:
200 US gal (760 L) of water per mile
434:
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386:
378:
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350:
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318:
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279:
246:
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158:
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115:
107:
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88:
80:
72:
67:
34:
3593:"Union Pacific Big Boy #4014 steam tour cancelled"
3048:. Kalmbach Media. February 6, 2019. Archived from
2787:
2785:
2409:. Union Pacific. November 14, 2013. Archived from
2376:. Union Pacific. February 21, 2014. Archived from
2290:. Kalmbach Media. December 7, 2012. Archived from
2162:
1928:1950–52 Locomotive Cyclopedia of American Practice
1408:Nos. 4014 and 4884 haul Big Boy No. 4014 over the
1009:(ALCO) in the 1940s to handle the 1.14% eastbound
4073:"Union Pacific 'Big Boy' 4014 Heads West in July"
3741:"Union Pacific 'Big Boy' to Visit Denver in July"
3646:
3644:
3018:. Union Pacific. January 29, 2019. Archived from
2799:. Union Pacific. February 1, 2017. Archived from
2766:. Kalmbach Media. August 12, 2016. Archived from
2508:. Union Pacific. January 27, 2014. Archived from
1197:. It also became the world's largest operational
286:Locomotive: 85 ft 7.8 in (26.11 m)
3497:
3495:
3109:. Kalmbach Media. April 10, 2019. Archived from
2736:. Union Pacific. August 11, 2016. Archived from
2605:"Union Pacific Big Boy 4014 Arrives In Cheyenne"
2430:
2428:
2397:
2395:
2197:. Union Pacific. August 15, 2013. Archived from
2169:(1st ed.). TLC Publishing. pp. 71–73.
1290:locomotive left for the RRHMA two months later.
4754:Standard gauge locomotives of the United States
4354:. Kalmbach Media. June 27, 2018. Archived from
4294:. Kalmbach Media. March 8, 2024. Archived from
4014:. Kalmbach Media. June 23, 2023. Archived from
3918:"Union Pacific announces Big Boy trip to Omaha"
2895:. Union Pacific. March 22, 2018. Archived from
2883:
2881:
2829:. Kalmbach Media. March 3, 2018. Archived from
2823:"Progress report on Union Pacific Big Boy 4014"
2437:"Big Boy lumbers to life at Pomona fairgrounds"
1931:. New York: Simmons-Boardman. pp. 522–523.
1888:
1886:
1731:No. 17149) took No. 4014's place in the museum.
1093:
725:65 mph (105 km/h) in regular service
4384:. Kalmbach Media. May 16, 2019. Archived from
4044:. Kalmbach Media. June 5, 2023. Archived from
4038:"UP Museum holds auction for Big Boy cab ride"
4002:
4000:
3924:. Kalmbach Media. May 19, 2023. Archived from
3375:
3373:
2862:. Kalmbach Media. May 10, 2018. Archived from
2850:
2848:
1899:(Press release). Union Pacific. Archived from
414:Usable: 6,100 US gal (23,000 L)
4596:
4432:
3330:(1st ed.). Kalmbach Media. p. 143.
2370:"UP No. 3105 Heads Home to RailGiants Museum"
412:Total: 6,500 US gal (25,000 L)
272:Overall: 117 ft 7 in (35.84 m)
8:
4264:. White River Productions. August 20, 2021.
4067:
4065:
4063:
2019:
2017:
2015:
2013:
2011:
2009:
1293:In June 2023, No. 4014 ran from Cheyenne to
727:80 mph (130 km/h) (maximum design)
507:Elesco Type T.P. 502 Exhaust Steam Injector
4734:Individual locomotives of the United States
4252:
4250:
2403:"Big Boy No. 4014 Prepares to Leave Pomona"
1862:Railway & Locomotive Historical Society
1317:. Two cab rides on the July 3 journey from
1079:Railway & Locomotive Historical Society
953:Railway & Locomotive Historical Society
4603:
4589:
4581:
4439:
4425:
4417:
2565:
2563:
1364:In December 2018, Union Pacific asked the
766:
713:
128:
64:
3562:"Festival of Steam with Big Boy No. 4014"
3290:
3288:
3229:"UP steam crew has Big Boy ready to roll"
1810:Guide to North American Steam Locomotives
1212:. Following its May 4 christening at the
735:8,157 hp (6,083 kW) @ Cylinder
2694:"Work on Big Boy locomotive goes slowly"
2026:"UP: A return to steam for Big Boy 4014"
1946:
1944:
1942:
1940:
1938:
1845:
1843:
1841:
1839:
1837:
1835:
1833:
1426:One of No. 4014's driving wheels on the
2141:"Consumer Price Index (estimate) 1800–"
1803:
1801:
1797:
1704:
1670:
1379:
422:25,000 US gal (95,000 L)
4744:Railway locomotives introduced in 1941
4739:Preserved steam locomotives of Wyoming
3651:Kratville-Wrinn, Cate (May 13, 2022).
3042:"'Big Boy' passes early pressure test"
2024:Vantuono, William C. (July 28, 2013).
1951:Glischinski, Steve (August 21, 2013).
1412:to Cheyenne, Wyoming, for restoration.
31:
3708:Glischinski, Steve (April 28, 2022).
2980:Glischinski, Steve (March 11, 2021).
2949:Glischinski, Steve (March 29, 2017).
2889:"Putting the 'Big Boy' Back Together"
2139:Federal Reserve Bank of Minneapolis.
1659:Western Maryland Scenic Railroad 1309
1032:The Big Boy was articulated like the
7:
4268:from the original on August 20, 2021
4235:from the original on August 20, 2021
3884:Sanchez, Cesar (November 19, 2022).
3297:"Union Pacific No. 3985's next stop"
2706:. November 24, 2014. Archived from
2254:"Where to find Big Boy locomotives"
2222:Union Pacific: Volume II, 1894-1969
1274:excursion between Cheyenne and the
1001:The Big Boy class was developed by
997:Union Pacific Big Boy § Design
366:772,250 lb (386.12 short tons)
242:288 ft (88 m) radius/ 20°
4759:Union Pacific Railroad locomotives
4469:American Locomotive Company (ALCO)
4231:. Union Pacific. August 19, 2021.
4132:Jean, Renée (September 17, 2024).
3591:Bodiford, Vince (April 29, 2020).
3528:Obert, Elizabeth (July 14, 2019).
2635:""Living Legend" Northern No. 844"
2435:Allen, David (November 14, 2013).
1561:UP No. 4014 accelerates east from
1470:UP No. 4014 and UP No. 844 depart
1232:from September 27 to November 26.
1089:Ownership transfer and restoration
955:; thereafter, it was displayed in
582:2,466 sq ft (229 m)
557:5,889 sq ft (547 m)
549:5,185 sq ft (482 m)
541:4,218 sq ft (392 m)
382:1,214,000 lb (607 short tons)
374:441,500 lb (220.8 short tons)
358:545,200 lb (272.6 short tons)
25:
4502:Electro-Motive Division, GM (EMD)
4103:"UP 4014 Celebration - July 2024"
3261:Keefe, Kevin (January 17, 2020).
2570:Forgione, Mary (April 28, 2014).
1622:on UP's Sacramento Sub bound for
1106:agreed to return No. 4014 to UP.
456:150 sq ft (grate removed in 2019)
4201:. Kalmbach Media. Archived from
4193:Wrinn, Jim (February 28, 2019).
3716:. Kalmbach Media. Archived from
3659:. Kalmbach Media. Archived from
3388:. Kalmbach Media. Archived from
3303:. Kalmbach Media. Archived from
3269:. Kalmbach Media. Archived from
3235:. Kalmbach Media. Archived from
3171:. Kalmbach Media. Archived from
3140:. Kalmbach Media. Archived from
3079:. Kalmbach Media. Archived from
2988:. Kalmbach Media. Archived from
2957:. Kalmbach Media. Archived from
2340:"Union Pacific SD40-2C No. 3105"
2260:. Kalmbach Media. Archived from
2252:Wrinn, Jim (February 15, 2018).
1961:. Kalmbach Media. Archived from
1685:
1673:
1610:
1596:
1571:
1553:
1532:
1506:
1488:
1462:
1440:
1418:
1396:
1382:
1075:gas turbine-electric locomotives
940:. It was assigned to haul heavy
747:138,240 lbf (614.9 kN)
40:
3973:Johnson, Greg (July 10, 2023).
3739:Franz, Justin (June 30, 2022).
3411:O'Donoghue, Amy (May 9, 2019).
3071:Wrinn, Jim (February 8, 2019).
2924:Forney Museum of Transportation
2660:Fike, Ellen (August 20, 2017).
2637:. Union Pacific. Archived from
2541:(Press release). Archived from
2468:Day, Brian (January 26, 2014).
1366:Federal Railroad Administration
1326:Western Pacific Railroad Museum
1309:a stalled freight train up the
1210:first transcontinental railroad
1158:work as well as installing new
924:. It is a four-cylinder simple
846:December 1941 (revenue service)
533:967 sq ft (90 m)
525:704 sq ft (65 m)
346:68,150 lb (30,912 kg)
4749:Simple articulated locomotives
3227:Sweeney, Steve (May 4, 2019).
3165:"Big Boy debuts with test run"
2161:Huddleston, Eugene L. (2001).
1052:Revenue service and retirement
497:300 lbf/in (2.1 MPa)
27:1941 American steam locomotive
1:
4548:4500 and 8500 hp Gas Turbines
3566:Lake Superior Railroad Museum
3295:Wrinn, Jim (March 31, 2020).
3263:"The Challenger at high tide"
3194:Scott, Ramsey (May 4, 2019).
2226:University of Minnesota Press
1953:"Big Boy story began in 1940"
1639:Chesapeake and Ohio class H-8
1280:Union Pacific Railroad Museum
1226:Lake Superior Railroad Museum
1126:diesel locomotive painted in
509:14,000 US gal / hour capacity
2442:Inland Valley Daily Bulletin
2191:"Big Wheels Not Yet Turnin'"
2133:American Antiquarian Society
2113:American Antiquarian Society
2061:Gruver, Mead (May 8, 2019).
938:Schenectady Locomotive Works
932:" type built in 1941 by the
884:Union Pacific Heritage Fleet
848:May 2019 (excursion service)
546: • Tubes and flues
430:8,000 lb (4 short tons)
35:Union Pacific "Big Boy" 4014
2603:Rader, Anna (May 8, 2014).
2036:Simmons-Boardman Publishing
1430:at the Strasburg Rail Road
1253:North Little Rock, Arkansas
1220:, including brief stops at
1007:American Locomotive Company
934:American Locomotive Company
481:107 in (2,718 mm)
93:American Locomotive Company
4775:
3380:Wrinn, Jim (May 4, 2019).
3163:Wrinn, Jim (May 3, 2019).
3132:Wrinn, Jim (May 2, 2019).
2475:San Gabriel Valley Tribune
1751:Northwestern United States
1303:Charles Schwab Field Omaha
1230:Southwestern United States
994:
916:owned and operated by the
554: • Total surface
232:42 in (1,067 mm)
222:68 in (1,727 mm)
4571:
4543:Steam turbine locomotives
4460:
1808:Drury, George H. (2015).
1711:On February 22, 2014, UP
1514:UP No. 4014 runs between
1036:design, although without
902:
765:
712:
579: • Heating area
127:
63:
50:No. 4014 charges towards
39:
1925:C. B. Peck, ed. (1950).
1851:"Union Pacific No. 4014"
1719:No. 6027), UP insulated
1644:Norfolk and Western 1218
1618:4014 runs south through
1565:, Nebraska, in June 2023
1218:Midwestern United States
686:Pneumatic, Schedule 8-ET
486: • Tube plates
314:11 ft (3.35 m)
211:36 in (914 mm)
3751:White River Productions
2344:RailGiants Train Museum
1990:McFarland & Company
1858:RailGiants Train Museum
1148:Strasburg, Pennsylvania
1132:Bloomington, California
1044:and weighs more than a
961:RailGiants Train Museum
630:7 in (178 mm)
453: • Grate area
303: in (40.48 m)
269: in (22.09 m)
255:Locomotive: 72 ft
4322:Railfan & Railroad
4262:Railfan & Railroad
4077:Railfan & Railroad
3859:Railfan & Railroad
3746:Railfan & Railroad
3535:St. Paul Pioneer Press
1984:Morrison, Tom (2019).
1360:Positive train control
1249:New Orleans, Louisiana
1222:Saint Paul Union Depot
1097:
982:(PTC) system in 2021.
980:positive train control
336: in (4.94 m)
4535:General Electric (GE)
4144:on September 19, 2024
3201:Wyoming Tribune Eagle
2992:on September 20, 2021
2899:on September 17, 2018
2760:"Big Boy Work Begins"
2667:Wyoming Tribune Eagle
2264:on September 28, 2018
2220:Klein, Maury (2006).
1334:Roseville, California
1299:Home Run Express Tour
1228:; it then toured the
1214:Cheyenne Depot Museum
829:Western United States
651: in (35 mm)
489:22 ft (7 m)
478: • Diameter
289:Overall: 132 ft
3509:on September 6, 2019
2930:on December 10, 2018
2609:Wyoming Public Radio
2584:on September 9, 2016
2482:on December 19, 2022
2201:on December 10, 2017
1992:. pp. 533–534.
1540:UP No. 4014 makes a
1319:Pine Bluffs, Wyoming
1276:Denver Union Station
668: in (6 mm)
522: • Firebox
4724:4-8-8-4 locomotives
4611:Historic/preserved
4358:on October 18, 2018
3326:Wrinn, Jim (2020).
3307:on January 17, 2021
2866:on October 18, 2018
2674:on January 14, 2019
1965:on October 25, 2021
1585:Soda Springs, Idaho
1330:Portola, California
1257:St. Louis, Missouri
1144:Strasburg Rail Road
717:Performance figures
4664:Diesel locomotives
4138:Cowboy State Daily
3979:Cowboy State Daily
3898:on January 5, 2023
2803:on August 22, 2017
2699:Omaha World-Herald
2615:on October 1, 2015
2532:"West Colton Yard"
1906:on August 30, 2016
1894:"Big Boy No. 4014"
1727:UP No. 24567 (née
1725:bay window caboose
1654:Union Pacific 4023
1649:Union Pacific 4012
1581:Brigham City, Utah
1526:, in November 2019
1284:Union Pacific 5511
1173:steam locomotive.
1171:Milwaukee Road 261
1083:Pomona, California
965:Pomona, California
922:its heritage fleet
910:Union Pacific 4014
538: • Flues
530: • Tubes
470: • Model
119:July 2016–May 2019
4711:
4710:
4704:
4692:
4680:
4655:
4642:
4625:Steam locomotives
4578:
4577:
4477:9000 class 4-12-2
4298:on March 29, 2024
4083:on April 10, 2024
3835:on April 23, 2022
3809:on April 11, 2022
3720:on April 28, 2022
3689:on April 28, 2022
3597:The Cheyenne Post
3337:978-1-62700-792-4
3113:on April 10, 2019
3022:on April 27, 2019
2961:on March 31, 2017
2740:on August 6, 2018
2641:on April 21, 2019
2577:Los Angeles Times
2380:on August 2, 2016
2350:on April 27, 2019
2235:978-0-8166-4460-5
2042:on April 28, 2019
1999:978-1-4766-6582-5
1823:978-1-62700-259-2
1589:Cheyenne, Wyoming
1546:Kimball, Nebraska
1498:Echo Canyon, Utah
1476:Evanston, Wyoming
1353:Jay Leno's Garage
1301:, for display at
1237:COVID-19 pandemic
1195:excursion service
1189:Excursion service
1067:Evanston, Wyoming
1034:Mallet locomotive
1005:and built by the
976:excursion service
972:Cheyenne, Wyoming
907:
906:
898:
897:
761:
760:
708:
707:
571: • Type
123:
122:
16:(Redirected from
4766:
4729:ALCO locomotives
4698:
4686:
4674:
4649:
4636:
4635:"Living Legend"
4605:
4598:
4591:
4582:
4441:
4434:
4427:
4418:
4411:Big Boy No. 4014
4398:
4397:
4395:
4393:
4374:
4368:
4367:
4365:
4363:
4344:
4338:
4337:
4335:
4333:
4314:
4308:
4307:
4305:
4303:
4284:
4278:
4277:
4275:
4273:
4254:
4245:
4244:
4242:
4240:
4221:
4215:
4214:
4212:
4210:
4190:
4184:
4183:
4181:
4179:
4160:
4154:
4153:
4151:
4149:
4140:. Archived from
4129:
4123:
4122:
4120:
4118:
4109:. Archived from
4099:
4093:
4092:
4090:
4088:
4069:
4058:
4057:
4055:
4053:
4034:
4028:
4027:
4025:
4023:
4018:on June 27, 2023
4004:
3995:
3994:
3992:
3990:
3985:on July 10, 2023
3981:. Archived from
3970:
3964:
3963:
3961:
3959:
3944:
3938:
3937:
3935:
3933:
3914:
3908:
3907:
3905:
3903:
3894:. Archived from
3881:
3875:
3874:
3872:
3870:
3851:
3845:
3844:
3842:
3840:
3825:
3819:
3818:
3816:
3814:
3799:
3793:
3792:
3790:
3788:
3783:on July 21, 2022
3773:
3767:
3766:
3764:
3762:
3753:. Archived from
3736:
3730:
3729:
3727:
3725:
3705:
3699:
3698:
3696:
3694:
3679:
3673:
3672:
3670:
3668:
3648:
3639:
3638:
3636:
3634:
3629:on June 14, 2021
3619:
3613:
3612:
3610:
3608:
3599:. Archived from
3588:
3582:
3581:
3579:
3577:
3572:on July 26, 2019
3568:. Archived from
3558:
3552:
3551:
3549:
3547:
3538:. Archived from
3525:
3519:
3518:
3516:
3514:
3499:
3490:
3489:
3487:
3485:
3470:
3461:
3460:
3458:
3456:
3451:on June 11, 2019
3441:
3435:
3434:
3432:
3430:
3421:. Archived from
3408:
3402:
3401:
3399:
3397:
3377:
3368:
3367:
3365:
3363:
3348:
3342:
3341:
3323:
3317:
3316:
3314:
3312:
3292:
3283:
3282:
3280:
3278:
3258:
3249:
3248:
3246:
3244:
3224:
3218:
3217:
3215:
3213:
3204:. Archived from
3191:
3185:
3184:
3182:
3180:
3160:
3154:
3153:
3151:
3149:
3129:
3123:
3122:
3120:
3118:
3099:
3093:
3092:
3090:
3088:
3068:
3062:
3061:
3059:
3057:
3038:
3032:
3031:
3029:
3027:
3008:
3002:
3001:
2999:
2997:
2977:
2971:
2970:
2968:
2966:
2946:
2940:
2939:
2937:
2935:
2926:. Archived from
2915:
2909:
2908:
2906:
2904:
2885:
2876:
2875:
2873:
2871:
2852:
2843:
2842:
2840:
2838:
2833:on July 27, 2018
2819:
2813:
2812:
2810:
2808:
2789:
2780:
2779:
2777:
2775:
2770:on July 10, 2018
2756:
2750:
2749:
2747:
2745:
2726:
2720:
2719:
2717:
2715:
2704:Associated Press
2690:
2684:
2683:
2681:
2679:
2670:. Archived from
2657:
2651:
2650:
2648:
2646:
2631:
2625:
2624:
2622:
2620:
2611:. Archived from
2600:
2594:
2593:
2591:
2589:
2580:. Archived from
2567:
2558:
2557:
2555:
2553:
2547:
2536:
2528:
2522:
2521:
2519:
2517:
2498:
2492:
2491:
2489:
2487:
2478:. Archived from
2465:
2459:
2458:
2456:
2454:
2445:. Archived from
2432:
2423:
2422:
2420:
2418:
2399:
2390:
2389:
2387:
2385:
2366:
2360:
2359:
2357:
2355:
2346:. Archived from
2336:
2330:
2329:
2327:
2325:
2320:on June 24, 2018
2310:
2304:
2303:
2301:
2299:
2294:on July 10, 2023
2280:
2274:
2273:
2271:
2269:
2249:
2240:
2239:
2224:(2nd ed.).
2217:
2211:
2210:
2208:
2206:
2187:
2181:
2180:
2168:
2158:
2152:
2151:
2149:
2147:
2136:
2130:
2116:
2110:
2095:
2089:
2088:
2086:
2084:
2075:. Archived from
2073:Associated Press
2058:
2052:
2051:
2049:
2047:
2038:. Archived from
2021:
2004:
2003:
1988:(1st ed.).
1981:
1975:
1974:
1972:
1970:
1948:
1933:
1932:
1922:
1916:
1915:
1913:
1911:
1905:
1898:
1890:
1881:
1880:
1878:
1876:
1871:on July 30, 2016
1870:
1855:
1847:
1828:
1827:
1812:(2nd ed.).
1805:
1785:
1782:
1776:
1768:
1762:
1747:
1741:
1738:
1732:
1723:No. 453665, and
1717:Missouri Pacific
1715:C No. 3105 (née
1709:
1690:
1689:
1688:
1678:
1677:
1669:
1614:
1600:
1575:
1557:
1536:
1510:
1492:
1482:, on May 6, 2019
1472:Granger, Wyoming
1466:
1444:
1422:
1400:
1386:
1339:The Tonight Show
1268:Silvis, Illinois
1261:Denver, Colorado
1199:steam locomotive
1178:hydrostatic test
1128:Southern Pacific
1101:
1024:, enlarging the
920:(UP) as part of
914:steam locomotive
864:December 7, 1961
767:
714:
704:Cab signals, PTC
667:
666:
662:
650:
649:
645:
642:
514:Heating surface:
503:Feedwater heater
435:Fuel consumption
355:
335:
334:
330:
327:
302:
301:
297:
294:
268:
267:
263:
260:
201:
195:
191:
189:
188:
184:
181:
129:
65:
44:
32:
21:
4774:
4773:
4769:
4768:
4767:
4765:
4764:
4763:
4714:
4713:
4712:
4707:
4658:
4619:
4609:
4579:
4574:
4567:
4529:
4496:
4463:
4456:
4445:
4413:- Union Pacific
4407:
4402:
4401:
4391:
4389:
4388:on May 28, 2019
4376:
4375:
4371:
4361:
4359:
4346:
4345:
4341:
4331:
4329:
4328:on May 25, 2024
4316:
4315:
4311:
4301:
4299:
4286:
4285:
4281:
4271:
4269:
4256:
4255:
4248:
4238:
4236:
4223:
4222:
4218:
4208:
4206:
4205:on June 9, 2019
4192:
4191:
4187:
4177:
4175:
4174:on June 8, 2019
4162:
4161:
4157:
4147:
4145:
4131:
4130:
4126:
4116:
4114:
4113:on July 5, 2024
4107:www.wplives.org
4101:
4100:
4096:
4086:
4084:
4071:
4070:
4061:
4051:
4049:
4048:on June 5, 2023
4036:
4035:
4031:
4021:
4019:
4006:
4005:
3998:
3988:
3986:
3972:
3971:
3967:
3957:
3955:
3954:on May 22, 2023
3946:
3945:
3941:
3931:
3929:
3928:on May 19, 2023
3916:
3915:
3911:
3901:
3899:
3883:
3882:
3878:
3868:
3866:
3865:on May 29, 2023
3853:
3852:
3848:
3838:
3836:
3827:
3826:
3822:
3812:
3810:
3801:
3800:
3796:
3786:
3784:
3775:
3774:
3770:
3760:
3758:
3757:on July 1, 2022
3738:
3737:
3733:
3723:
3721:
3707:
3706:
3702:
3692:
3690:
3681:
3680:
3676:
3666:
3664:
3663:on May 13, 2022
3650:
3649:
3642:
3632:
3630:
3621:
3620:
3616:
3606:
3604:
3603:on May 16, 2020
3590:
3589:
3585:
3575:
3573:
3560:
3559:
3555:
3545:
3543:
3542:on May 11, 2021
3527:
3526:
3522:
3512:
3510:
3501:
3500:
3493:
3483:
3481:
3480:on July 8, 2019
3472:
3471:
3464:
3454:
3452:
3443:
3442:
3438:
3428:
3426:
3410:
3409:
3405:
3395:
3393:
3379:
3378:
3371:
3361:
3359:
3350:
3349:
3345:
3338:
3325:
3324:
3320:
3310:
3308:
3294:
3293:
3286:
3276:
3274:
3273:on May 11, 2021
3260:
3259:
3252:
3242:
3240:
3226:
3225:
3221:
3211:
3209:
3193:
3192:
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3162:
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3147:
3145:
3131:
3130:
3126:
3116:
3114:
3101:
3100:
3096:
3086:
3084:
3083:on May 30, 2019
3070:
3069:
3065:
3055:
3053:
3040:
3039:
3035:
3025:
3023:
3010:
3009:
3005:
2995:
2993:
2979:
2978:
2974:
2964:
2962:
2948:
2947:
2943:
2933:
2931:
2917:
2916:
2912:
2902:
2900:
2887:
2886:
2879:
2869:
2867:
2854:
2853:
2846:
2836:
2834:
2821:
2820:
2816:
2806:
2804:
2791:
2790:
2783:
2773:
2771:
2758:
2757:
2753:
2743:
2741:
2728:
2727:
2723:
2713:
2711:
2710:on July 1, 2019
2692:
2691:
2687:
2677:
2675:
2659:
2658:
2654:
2644:
2642:
2633:
2632:
2628:
2618:
2616:
2602:
2601:
2597:
2587:
2585:
2569:
2568:
2561:
2551:
2549:
2548:on June 6, 2019
2545:
2534:
2530:
2529:
2525:
2515:
2513:
2500:
2499:
2495:
2485:
2483:
2467:
2466:
2462:
2452:
2450:
2449:on June 7, 2019
2434:
2433:
2426:
2416:
2414:
2413:on May 30, 2017
2401:
2400:
2393:
2383:
2381:
2368:
2367:
2363:
2353:
2351:
2338:
2337:
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2311:
2307:
2297:
2295:
2282:
2281:
2277:
2267:
2265:
2251:
2250:
2243:
2236:
2228:. p. 479.
2219:
2218:
2214:
2204:
2202:
2189:
2188:
2184:
2177:
2160:
2159:
2155:
2145:
2143:
2138:
2128:
2120:McCusker, J. J.
2118:
2108:
2100:McCusker, J. J.
2098:
2096:
2092:
2082:
2080:
2079:on June 8, 2019
2060:
2059:
2055:
2045:
2043:
2023:
2022:
2007:
2000:
1983:
1982:
1978:
1968:
1966:
1950:
1949:
1936:
1924:
1923:
1919:
1909:
1907:
1903:
1896:
1892:
1891:
1884:
1874:
1872:
1868:
1853:
1849:
1848:
1831:
1824:
1816:. p. 319.
1807:
1806:
1799:
1794:
1789:
1788:
1783:
1779:
1769:
1765:
1748:
1744:
1739:
1735:
1710:
1706:
1701:
1696:
1686:
1684:
1672:
1664:
1635:
1628:
1627:
1626:, July 11, 2024
1615:
1606:
1605:
1601:
1592:
1591:
1579:UP No. 4014 in
1576:
1567:
1566:
1558:
1549:
1548:
1537:
1528:
1527:
1511:
1502:
1501:
1496:UP No. 4014 in
1493:
1484:
1483:
1467:
1458:
1457:
1445:
1436:
1435:
1423:
1414:
1413:
1401:
1392:
1391:
1387:
1378:
1362:
1315:Blair, Nebraska
1295:Omaha, Nebraska
1278:to benefit the
1191:
1103:
1099:
1091:
1054:
999:
993:
988:
881:
847:
812:
795:Number in class
743:Tractive effort
736:
726:
664:
660:
659:
647:
643:
640:
638:
563:
508:
494:Boiler pressure
462:
439:
413:
353:Adhesive weight
351:
332:
328:
325:
323:
306:
299:
295:
292:
290:
275:
265:
261:
258:
256:
197:
193:
186:
182:
179:
177:
176:4 ft
175:
138:
68:Type and origin
59:
58:, July 14, 2024
28:
23:
22:
15:
12:
11:
5:
4772:
4770:
4762:
4761:
4756:
4751:
4746:
4741:
4736:
4731:
4726:
4716:
4715:
4709:
4708:
4706:
4705:
4693:
4681:
4668:
4666:
4660:
4659:
4657:
4656:
4643:
4629:
4627:
4621:
4620:
4610:
4608:
4607:
4600:
4593:
4585:
4576:
4575:
4572:
4569:
4568:
4566:
4565:
4560:
4555:
4550:
4545:
4539:
4537:
4531:
4530:
4528:
4527:
4522:
4517:
4512:
4506:
4504:
4498:
4497:
4495:
4494:
4489:
4484:
4479:
4473:
4471:
4465:
4464:
4461:
4458:
4457:
4446:
4444:
4443:
4436:
4429:
4421:
4415:
4414:
4406:
4405:External links
4403:
4400:
4399:
4369:
4339:
4309:
4279:
4246:
4216:
4185:
4155:
4124:
4094:
4059:
4029:
3996:
3965:
3939:
3909:
3876:
3846:
3820:
3794:
3768:
3731:
3700:
3674:
3640:
3614:
3583:
3553:
3520:
3491:
3462:
3436:
3425:on May 9, 2019
3403:
3392:on May 5, 2019
3369:
3358:on May 2, 2019
3343:
3336:
3318:
3284:
3267:Classic Trains
3250:
3239:on May 6, 2019
3219:
3208:on May 4, 2019
3186:
3175:on May 3, 2019
3155:
3144:on May 2, 2019
3124:
3094:
3063:
3052:on May 4, 2019
3033:
3003:
2972:
2941:
2910:
2877:
2844:
2814:
2781:
2751:
2721:
2685:
2652:
2626:
2595:
2559:
2523:
2512:on May 1, 2019
2506:Community Ties
2493:
2460:
2424:
2407:Community Ties
2391:
2374:Community Ties
2361:
2331:
2305:
2275:
2241:
2234:
2212:
2195:Community Ties
2182:
2175:
2153:
2137:1800–present:
2090:
2053:
2005:
1998:
1976:
1934:
1917:
1882:
1829:
1822:
1814:Kalmbach Media
1796:
1795:
1793:
1790:
1787:
1786:
1777:
1763:
1742:
1733:
1703:
1702:
1700:
1697:
1695:
1694:
1682:
1662:
1661:
1656:
1651:
1646:
1641:
1634:
1631:
1630:
1629:
1617:
1616:
1609:
1607:
1603:
1602:
1595:
1593:
1578:
1577:
1570:
1568:
1560:
1559:
1552:
1550:
1539:
1538:
1531:
1529:
1513:
1512:
1505:
1503:
1495:
1494:
1487:
1485:
1469:
1468:
1461:
1459:
1452:of No. 4014's
1447:
1446:
1439:
1437:
1425:
1424:
1417:
1415:
1404:Union Pacific
1403:
1402:
1395:
1393:
1389:
1388:
1381:
1377:
1374:
1361:
1358:
1332:, on July 10,
1272:Museum Special
1245:Houston, Texas
1190:
1187:
1183:Nunn, Colorado
1112:Covina station
1092:
1090:
1087:
1053:
1050:
995:Main article:
992:
989:
987:
984:
949:mountain range
942:freight trains
936:(ALCO) at its
905:
904:
900:
899:
896:
895:
892:
888:
887:
878:
874:
873:
870:
866:
865:
862:
858:
857:
854:
850:
849:
844:
840:
839:
836:
832:
831:
826:
822:
821:
818:
814:
813:
811:
810:
806:
804:
800:
799:
796:
792:
791:
788:
782:
781:
776:
772:
771:
763:
762:
759:
758:
755:
753:Factor of adh.
749:
748:
745:
739:
738:
733:
729:
728:
723:
719:
718:
710:
709:
706:
705:
702:
701:Safety systems
698:
697:
694:
688:
687:
684:
678:
677:
674:
670:
669:
657:
653:
652:
636:
632:
631:
628:
624:
623:
618:
614:
613:
610:
604:
603:
600:
594:
593:
590:
584:
583:
580:
576:
575:
572:
568:
567:
564:
559:
558:
555:
551:
550:
547:
543:
542:
539:
535:
534:
531:
527:
526:
523:
519:
518:
515:
511:
510:
505:
499:
498:
495:
491:
490:
487:
483:
482:
479:
475:
474:
471:
467:
466:
463:
458:
457:
454:
450:
449:
446:
442:
441:
436:
432:
431:
428:
424:
423:
420:
416:
415:
410:
406:
405:
399:No. 5 fuel oil
396:
392:
391:
388:
384:
383:
380:
376:
375:
372:
368:
367:
364:
360:
359:
356:
348:
347:
344:
338:
337:
320:
316:
315:
312:
308:
307:
305:
304:
287:
283:
281:
277:
276:
274:
273:
270:
252:
250:
244:
243:
240:
234:
233:
230:
224:
223:
220:
213:
212:
209:
203:
202:
199:standard gauge
173:
167:
166:
163:
156:
155:
150:
143:
142:
139:
137:Configuration:
134:
133:
132:Specifications
125:
124:
121:
120:
117:
113:
112:
109:
105:
104:
101:
97:
96:
90:
86:
85:
84:Otto Jabelmann
82:
78:
77:
74:
70:
69:
61:
60:
46:Union Pacific
45:
37:
36:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
4771:
4760:
4757:
4755:
4752:
4750:
4747:
4745:
4742:
4740:
4737:
4735:
4732:
4730:
4727:
4725:
4722:
4721:
4719:
4702:
4697:
4694:
4690:
4685:
4682:
4678:
4673:
4670:
4669:
4667:
4665:
4661:
4653:
4647:
4644:
4640:
4634:
4631:
4630:
4628:
4626:
4622:
4618:
4617:Union Pacific
4614:
4606:
4601:
4599:
4594:
4592:
4587:
4586:
4583:
4570:
4564:
4561:
4559:
4556:
4554:
4551:
4549:
4546:
4544:
4541:
4540:
4538:
4536:
4532:
4526:
4523:
4521:
4518:
4516:
4513:
4511:
4508:
4507:
4505:
4503:
4499:
4493:
4490:
4488:
4485:
4483:
4480:
4478:
4475:
4474:
4472:
4470:
4466:
4459:
4454:
4453:Union Pacific
4450:
4442:
4437:
4435:
4430:
4428:
4423:
4422:
4419:
4412:
4409:
4408:
4404:
4387:
4383:
4379:
4373:
4370:
4357:
4353:
4349:
4343:
4340:
4327:
4323:
4319:
4313:
4310:
4297:
4293:
4289:
4283:
4280:
4267:
4263:
4259:
4253:
4251:
4247:
4234:
4230:
4226:
4220:
4217:
4204:
4200:
4196:
4189:
4186:
4173:
4169:
4165:
4159:
4156:
4148:September 23,
4143:
4139:
4135:
4128:
4125:
4112:
4108:
4104:
4098:
4095:
4082:
4078:
4074:
4068:
4066:
4064:
4060:
4047:
4043:
4039:
4033:
4030:
4017:
4013:
4009:
4003:
4001:
3997:
3984:
3980:
3976:
3969:
3966:
3953:
3949:
3943:
3940:
3927:
3923:
3919:
3913:
3910:
3897:
3893:
3892:
3887:
3880:
3877:
3864:
3860:
3856:
3850:
3847:
3834:
3830:
3824:
3821:
3808:
3804:
3798:
3795:
3782:
3778:
3772:
3769:
3756:
3752:
3748:
3747:
3742:
3735:
3732:
3719:
3715:
3711:
3704:
3701:
3688:
3684:
3678:
3675:
3662:
3658:
3654:
3647:
3645:
3641:
3628:
3624:
3618:
3615:
3602:
3598:
3594:
3587:
3584:
3571:
3567:
3563:
3557:
3554:
3541:
3537:
3536:
3531:
3524:
3521:
3513:September 28,
3508:
3504:
3498:
3496:
3492:
3479:
3475:
3469:
3467:
3463:
3450:
3446:
3440:
3437:
3424:
3420:
3419:
3414:
3407:
3404:
3391:
3387:
3383:
3376:
3374:
3370:
3357:
3353:
3347:
3344:
3339:
3333:
3329:
3322:
3319:
3306:
3302:
3298:
3291:
3289:
3285:
3272:
3268:
3264:
3257:
3255:
3251:
3238:
3234:
3230:
3223:
3220:
3207:
3203:
3202:
3197:
3190:
3187:
3174:
3170:
3166:
3159:
3156:
3143:
3139:
3135:
3128:
3125:
3112:
3108:
3104:
3098:
3095:
3082:
3078:
3074:
3067:
3064:
3051:
3047:
3043:
3037:
3034:
3021:
3017:
3013:
3007:
3004:
2991:
2987:
2983:
2976:
2973:
2960:
2956:
2952:
2945:
2942:
2929:
2925:
2921:
2914:
2911:
2898:
2894:
2890:
2884:
2882:
2878:
2865:
2861:
2857:
2851:
2849:
2845:
2832:
2828:
2824:
2818:
2815:
2802:
2798:
2794:
2788:
2786:
2782:
2769:
2765:
2761:
2755:
2752:
2739:
2735:
2731:
2725:
2722:
2709:
2705:
2701:
2700:
2695:
2689:
2686:
2673:
2669:
2668:
2663:
2656:
2653:
2640:
2636:
2630:
2627:
2614:
2610:
2606:
2599:
2596:
2583:
2579:
2578:
2573:
2566:
2564:
2560:
2544:
2540:
2539:Union Pacific
2533:
2527:
2524:
2511:
2507:
2503:
2497:
2494:
2481:
2477:
2476:
2471:
2464:
2461:
2448:
2444:
2443:
2438:
2431:
2429:
2425:
2412:
2408:
2404:
2398:
2396:
2392:
2379:
2375:
2371:
2365:
2362:
2349:
2345:
2341:
2335:
2332:
2319:
2315:
2309:
2306:
2293:
2289:
2285:
2279:
2276:
2263:
2259:
2255:
2248:
2246:
2242:
2237:
2231:
2227:
2223:
2216:
2213:
2200:
2196:
2192:
2186:
2183:
2178:
2176:1-883089-60-3
2172:
2167:
2166:
2157:
2154:
2142:
2134:
2127:
2126:
2121:
2114:
2107:
2106:
2101:
2094:
2091:
2078:
2074:
2070:
2069:
2064:
2057:
2054:
2041:
2037:
2033:
2032:
2027:
2020:
2018:
2016:
2014:
2012:
2010:
2006:
2001:
1995:
1991:
1987:
1980:
1977:
1964:
1960:
1959:
1954:
1947:
1945:
1943:
1941:
1939:
1935:
1930:
1929:
1921:
1918:
1902:
1895:
1889:
1887:
1883:
1867:
1863:
1859:
1852:
1846:
1844:
1842:
1840:
1838:
1836:
1834:
1830:
1825:
1819:
1815:
1811:
1804:
1802:
1798:
1791:
1781:
1778:
1773:
1767:
1764:
1760:
1756:
1752:
1746:
1743:
1737:
1734:
1730:
1726:
1722:
1718:
1714:
1708:
1705:
1698:
1693:
1683:
1681:
1676:
1671:
1667:
1660:
1657:
1655:
1652:
1650:
1647:
1645:
1642:
1640:
1637:
1636:
1632:
1625:
1624:Roseville, CA
1621:
1613:
1608:
1599:
1594:
1590:
1586:
1582:
1574:
1569:
1564:
1556:
1551:
1547:
1543:
1535:
1530:
1525:
1521:
1517:
1509:
1504:
1500:, in May 2019
1499:
1491:
1486:
1481:
1477:
1473:
1465:
1460:
1455:
1451:
1443:
1438:
1433:
1429:
1421:
1416:
1411:
1407:
1399:
1394:
1385:
1380:
1375:
1373:
1369:
1367:
1359:
1357:
1355:
1354:
1349:
1345:
1341:
1340:
1335:
1331:
1327:
1322:
1320:
1316:
1312:
1308:
1304:
1300:
1296:
1291:
1289:
1285:
1281:
1277:
1273:
1269:
1264:
1262:
1258:
1254:
1250:
1246:
1242:
1238:
1233:
1231:
1227:
1223:
1219:
1215:
1211:
1206:
1204:
1201:, displacing
1200:
1196:
1188:
1186:
1184:
1179:
1174:
1172:
1168:
1163:
1161:
1157:
1153:
1149:
1145:
1139:
1137:
1133:
1129:
1125:
1121:
1117:
1113:
1107:
1102:
1096:
1088:
1086:
1084:
1080:
1076:
1070:
1068:
1064:
1060:
1051:
1049:
1047:
1043:
1039:
1035:
1030:
1027:
1023:
1020:
1016:
1015:Wasatch Range
1012:
1008:
1004:
1003:Union Pacific
998:
990:
985:
983:
981:
977:
973:
968:
966:
962:
958:
954:
950:
947:
943:
939:
935:
931:
927:
923:
919:
918:Union Pacific
915:
911:
901:
893:
889:
885:
880:Union Pacific
879:
877:Current owner
875:
871:
867:
863:
859:
856:July 21, 1959
855:
851:
845:
841:
838:December 1941
837:
833:
830:
827:
823:
819:
815:
808:
807:
805:
801:
797:
793:
789:
787:
783:
780:
779:Union Pacific
777:
773:
768:
764:
756:
754:
750:
746:
744:
740:
734:
730:
724:
722:Maximum speed
720:
715:
711:
703:
699:
695:
693:
689:
685:
683:
679:
675:
673:Train heating
671:
658:
654:
637:
633:
629:
625:
622:
621:Piston valves
619:
615:
611:
609:
605:
601:
599:
598:Cylinder size
595:
592:Four, outside
591:
589:
585:
581:
577:
573:
569:
565:
560:
556:
552:
548:
544:
540:
536:
532:
528:
524:
520:
516:
512:
506:
504:
500:
496:
492:
488:
484:
480:
476:
472:
468:
464:
459:
455:
451:
447:
443:
437:
433:
429:
425:
421:
417:
411:
409:Fuel capacity
407:
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401:, originally
400:
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373:
371:Tender weight
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238:Minimum curve
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228:Trailing dia.
225:
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194:1,435 mm
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111:November 1941
110:
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100:Serial number
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3418:Deseret News
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2029:
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1979:
1967:. Retrieved
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1956:
1927:
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1866:the original
1857:
1809:
1780:
1771:
1766:
1759:supply chain
1745:
1736:
1707:
1542:whistle stop
1474:, bound for
1454:running gear
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1118:trackage by
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1071:
1059:freight cars
1055:
1031:
1011:ruling grade
1000:
969:
909:
908:
732:Power output
692:Train brakes
627:Valve travel
562:Superheater:
427:Sandbox cap.
379:Total weight
207:Leading dia.
116:Rebuild date
47:
29:
18:Big Boy 4014
4613:locomotives
4449:locomotives
4272:October 14,
2918:Frank, Al.
2117:1700–1799:
2097:1634–1699:
2031:Railway Age
1761:congestion.
1755:anniversary
1729:Rock Island
1620:Elverta, CA
1480:Ogden, Utah
1350:web series
1297:, with the
1235:Due to the
1100:—Ed Dickens
1063:Ogden, Utah
1038:compounding
926:articulated
903:References:
894:Operational
891:Disposition
872:May 1, 2019
612:Walschaerts
387:Tender type
363:Loco weight
322:16 ft
165:(2′D)D2′ h4
56:Donner Pass
4718:Categories
4648:"Big Boy"
4482:Challenger
4239:August 20,
1969:October 9,
1792:References
1772:Steam Club
1713:EMD SD40-2
1583:bound for
1520:Hallsville
1410:Cajon Pass
1241:Fort Worth
1046:Boeing 747
1042:city buses
1022:Challenger
1013:of Utah's
682:Loco brake
676:Steam heat
656:Valve lead
617:Valve type
608:Valve gear
419:Water cap.
108:Build date
73:Power type
4615:owned by
4362:April 28,
4087:April 24,
3839:April 23,
3813:April 11,
3117:April 16,
3026:April 27,
2965:August 5,
2920:"Big Boy"
2903:April 27,
2807:August 5,
2774:April 28,
2744:April 27,
2619:April 30,
2588:April 30,
2354:April 28,
2324:April 30,
2068:USA Today
2046:April 28,
1875:April 30,
1116:Metrolink
928:4-8-8-4 "
843:First run
835:Delivered
817:Nicknames
775:Operators
696:Pneumatic
635:Valve lap
588:Cylinders
473:Fire Tube
395:Fuel type
342:Axle load
248:Wheelbase
4563:AC6000CW
4455:Railroad
4266:Archived
4233:Archived
4117:July 13,
4052:June 27,
3989:July 10,
3958:June 21,
3787:July 29,
3633:June 17,
3576:March 7,
3455:June 11,
3311:June 23,
3277:June 23,
3243:July 17,
3056:June 27,
2934:July 27,
2486:July 21,
2298:July 10,
2268:June 12,
2122:(1992).
2102:(1997).
2083:June 12,
1775:website.
1633:See also
1516:Longview
1450:close-up
1432:workshop
1344:Jay Leno
1224:and the
1203:No. 3985
1167:fuel oil
1152:crankpin
1120:No. 1996
1061:between
957:Fairplex
869:Restored
853:Last run
566:
517:
465:
448:
445:Firebox:
190: in
141:
81:Designer
4652:4-8-8-4
4525:SD90MAC
4487:Big Boy
4451:of the
4392:May 28,
4332:May 26,
4302:May 26,
4209:June 9,
4178:June 9,
4022:July 5,
3932:May 19,
3902:May 31,
3891:WQAD-TV
3761:July 1,
3667:May 16,
3607:May 23,
3484:July 8,
3429:May 12,
3212:June 7,
3087:May 30,
2996:July 7,
2714:July 1,
2678:June 7,
2552:June 6,
2516:May 14,
2453:June 7,
1692:Wyoming
1666:Portals
1456:in 2019
1434:in 2017
1376:Gallery
1348:YouTube
1136:No. 844
1124:SD70ACe
1026:firebox
1019:4-6-6-4
986:History
959:at the
946:Wasatch
944:in the
930:Big Boy
861:Retired
820:Big Boy
809:UP 4014
803:Numbers
663:⁄
646:⁄
461:Boiler:
331:⁄
298:⁄
264:⁄
185:⁄
153:4-8-8-4
89:Builder
48:Big Boy
4573:
4520:DDA40X
4462:
4447:Giant
4382:Trains
4352:Trains
4292:Trains
4199:Trains
4168:Trains
4042:Trains
4012:Trains
3922:Trains
3724:May 2,
3714:Trains
3693:May 2,
3657:Trains
3396:May 5,
3386:Trains
3362:May 2,
3334:
3301:Trains
3233:Trains
3179:May 3,
3169:Trains
3148:May 2,
3138:Trains
3107:Trains
3077:Trains
3046:Trains
2986:Trains
2955:Trains
2870:May 4,
2860:Trains
2837:May 4,
2827:Trains
2764:Trains
2645:May 3,
2417:May 5,
2384:May 1,
2288:Trains
2258:Trains
2232:
2205:May 5,
2173:
1996:
1958:Trains
1910:May 4,
1820:
1721:boxcar
1680:Trains
1563:Gering
1478:, and
1406:SD70Ms
1307:banked
1288:2-10-2
1259:; and
1150:, for
1065:, and
991:Design
825:Locale
790:4884-1
770:Career
574:Type E
319:Height
280:Length
217:Driver
95:(ALCO)
52:Norden
4639:4-8-4
4515:DD35A
2546:(PDF)
2535:(PDF)
2129:(PDF)
2109:(PDF)
1904:(PDF)
1897:(PDF)
1869:(PDF)
1854:(PDF)
1699:Notes
1524:Texas
1428:lathe
1342:host
1311:grade
1160:tires
1122:, an
912:is a
786:Class
311:Width
171:Gauge
148:Whyte
103:69585
76:Steam
4696:963B
4646:4014
4558:U50C
4510:DD35
4492:C855
4394:2019
4364:2019
4334:2024
4304:2024
4274:2022
4241:2021
4211:2019
4180:2019
4150:2024
4119:2024
4089:2024
4054:2023
4024:2023
3991:2023
3960:2023
3934:2023
3904:2024
3871:2023
3841:2022
3815:2022
3789:2022
3763:2022
3726:2022
3695:2022
3669:2022
3635:2021
3609:2021
3578:2021
3548:2022
3515:2019
3486:2019
3457:2019
3431:2019
3398:2019
3364:2019
3332:ISBN
3313:2021
3279:2021
3245:2019
3214:2019
3181:2019
3150:2019
3119:2019
3089:2019
3058:2019
3028:2019
2998:2023
2967:2019
2936:2019
2905:2019
2872:2019
2839:2019
2809:2019
2776:2019
2746:2019
2716:2019
2680:2019
2647:2019
2621:2019
2590:2019
2554:2019
2518:2019
2488:2023
2455:2019
2419:2019
2386:2019
2356:2019
2326:2019
2300:2023
2270:2019
2230:ISBN
2207:2019
2171:ISBN
2148:2024
2085:2019
2048:2019
1994:ISBN
1971:2022
1912:2019
1877:2019
1818:ISBN
1587:and
1518:and
1243:and
1156:axle
1154:and
757:3.91
403:coal
390:25-C
219:dia.
4701:E9B
4689:E9A
4684:951
4677:E9A
4672:949
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