171:
29:
1496:
202:, which controls the timing of the admission of steam into the locomotive's cylinders. This is required for two purposes. One is to reverse the locomotive's direction, e.g. when shunting. The other is to enable more fuel-efficient operation when the locomotive is running in a steady state: the throttle is set wide open and the power output is controlled by moving the reversing lever closer to its mid-point ("reducing the
885:
Wheels coupled to the main/side rods, through which the power developed in the cylinders (24) is transformed into tractive power at the rails. The weight of bearings and coupling rods on the driving wheels is counterbalanced with cast-in weights to reduce "hammering" on the track when the locomotive
420:
Receives the hot gases that have passed from the firebox through the boiler tubes and, when the throttle/regulator is open, directs them and steam exhausting from the cylinders up the smokestack/chimney, sucking air through the firebed. The smokebox may contain a cinder guard to prevent hot cinders
352:
Sets the opening of the throttle valve / regulator valve, (31) which controls the amount of steam entering the cylinders, hence the speed of the locomotive. It is used in conjunction with the reversing lever to start, to stop, and to control the locomotive's power output. When the regulator/throttle
846:
Part of the locomotive suspension system. Its function is to prevent inequalities in the track or roadbed putting an excessive load on an axle, which is especially necessary on uneven or poorly laid tracks. The beam is connected at each end to a spring on an axle or to the end of another equalising
361:
and cylinders to allow the engine to coast freely. The throttle is not the only control that can limit the locomotive's power output: during steady-state running of most locomotives, the throttle is usually set wide open and the power output is controlled by moving the reversing lever (2) closer to
847:
beam (usually via a vertical spring hanger) to distribute the locomotive's weight between two or more axles. The frontmost and rearmost components are secured to the locomotive frame. An equalising system links not only the driving-wheel axles but also the trailing and/or leading truck axle(s).
785:
Compartment for storage of fuel before being directed to the firebox. When the fuel is coal (and in the distant past, coke or wood), the fireman shovels it manually through the firebox door or, in larger locomotives, by operating a mechanical stoker. When the fuel is oil, it is sprayed into the
96:
The diagram, which is not to scale, is a composite of various designs in the late steam era. Some components shown are not the same as, or are not present, on some locomotives – for example, on smaller or articulated types. Conversely, some locomotives have components not listed here.
1298:
Locomotive dictionary; an illustrated vocabulary of terms which designate
American Railroad locomotives, their parts, attachments and details of construction, with definitions and illustrations of typical British locomotive practice; five thousand one hundred and forty-eight
718:
Provides additional heat – as much as 300 °F (167 °C) hotter – to steam that has been generated in the boiler by sending it back through superheat tubes located in the boiler tubes (28), thus increasing engine efficiency and power. See also
167:
Compartment where the engineer (US+) / driver (UK+) and fireman control the locomotive and tend the steam supply and firebox. They achieve that using various devices, most of which are on the rear surface of the firebox, called the "backhead":
428:
Vertical pipe below the chimney petticoat pipe, with holes to blow steam upwards. Provides a draught to maintain adequate combustion – and to prevent smoke and flames from entering the cab through the firebox door – when the
500:
The strong, rigid structure that carries the boiler, cab and engine unit; supported on driving wheels (43) and leading and trailing trucks (14, 46). The axles run in slots in the frames. Early
American locomotives had
762:
Hose for conveying force to train brakes by a differential in air pressure. Contains either high-pressure compressed air or air at lower than atmospheric pressure (vacuum), depending on whether the locomotive has an
704:
Controlled by the
Throttle Lever / Regulator (8), regulates the amount of steam delivered to the cylinders, which is one of two ways to vary power of the engine (throttle governing). For the other method, see
665:
Horizontal tubular vessel, strong enough to contain high-pressure steam in a harsh working environment; closed at either end by the firebox and tube plate. Usually well filled with water but with space for
656:
Carry hot gases from the front of the firebox to the front of the boiler, producing steam from the surrounding water. Flues are larger in diameter than tubes because they contain superheater units.
88:
433:
is insufficiently effective, for example when a locomotive is stationary or the throttle/regulator is closed such as when coasting into a station; also helps to draw the fire when lighting up.
170:
335:
Holds sand that is directed on to the rail in front of the driving wheels to improve traction, especially in wet or icy conditions or when vegetation is on the line, and on steep gradients.
72:
641:
Furnace chamber built into the boiler, which produces steam in surrounding water. Various combustible materials can be used as fuel; the most common are coal and oil but in earlier times
46:
593:
Produces the motion for the locomotive from expansion of the steam. Driven backward and forward within the cylinder by steam delivered alternately, in front and behind, by the valve.
611:
Controls the supply of steam to the cylinders. The valve gear, actuated by connection to the driving wheels, ensures that steam is delivered to the piston with precision. Types are
509:– a one-piece steel casting for the entire locomotive frame, cylinders, valve chests, steam pipes, and smokebox saddle, all as a single component. British locomotives usually had
1632:
375:
Collects steam at the top of the boiler (well above the water level) so that it can be fed to the engine via the main steam pipe, or dry pipe, and the regulator/throttle valve.
443:
Vertical pipe with a bellmouth-shaped lower end extending down from the smokestack into the smokebox; enhances and equalizes draft through the boiler tubes.
909:
Directs exhaust steam up the smokestack/chimney (33), creating a draught that draws hot gases through the firebox (27) and along the boiler tubes (28).
968:
A shield made from bars, cast steel or sheet steel to prevent an object on the track from going under the locomotive and possibly derailing the train.
529:
Deposits sand directly in front of the driving wheels to aid traction on steep gradients, when starting or when the rail surface is not dry and clean.
1625:
856:
Main suspension springs for the locomotive. Each driving wheel supports its share of the locomotive's weight via leaf springs that connect the axle's
2507:
505:, made from steel bar; in the 20th century they usually had cast steel frames or, in the final decades of steam locomotive design, a cast steel
2597:
281:(or blow-off) cocks, which allow water to be ejected from the boiler to avoid concentration of impurities remaining after evaporation of steam.
944:
at higher speeds with the attendant risk of derailment. The truck has some side motion and is equalised to the driving wheels (41). The names
2582:
1588:
64:
1618:
292:
Steam powered whistle, located on top of the boiler and used for signalling (by the number and length of notes) and warning of approach.
2082:
45:
556:
System of rods and linkages synchronising the valves with the pistons and controls the running direction and power of the locomotive.
62:
2077:
1307:
57:
52:
50:
37:
1505:
77:
48:
39:
2541:
2453:
1008:
41:
59:
2512:
2347:
2156:
1800:
2186:
2176:
857:
817:
808:
480:
Wheels at the rear of the locomotive to help support the rear of the locomotive and improve riding qualities – see also
2380:
2244:
2225:
2216:
2100:
1712:
1655:
627:
616:
606:
597:
79:
78:
1470:
1384:
75:
61:
2592:
1994:
71:
67:
2587:
2546:
2535:
2092:
748:
Vertical pipe on top of and inside the smokebox that ejects the exhaust (smoke and steam) above the locomotive.
2320:
2252:
1003:
400:
300:
198:
192:
74:
403:
systems. It can be a single-stage or, when larger capacity is needed, a two-stage cross-compound compressor.
2556:
2551:
2472:
2196:
2141:
1863:
1819:
1531:
1466:
1380:
70:
2561:
2459:
2300:
2181:
1832:
1770:
755:
Light on the front of the smoke box to illuminate track ahead and warn of the approach of the locomotive.
636:
73:
107:
Alternative names shown below are often, but not always, reflective of differences in terminology in the
44:
2517:
2426:
2151:
2072:
2045:
1775:
1760:
1670:
363:
203:
68:
63:
2486:
251:
controls (when fitted to larger coal-fired locomotives) or oil feed controls for oil-fired locomotives
76:
53:
51:
36:
2171:
2110:
1971:
1837:
1785:
1722:
1675:
1018:
736:
727:
632:
Valve chamber next to the cylinder (24) containing passageways to distribute steam to the cylinders.
330:
323:
223:
940:
Wheels at the front of the locomotive to guide the front driving wheels around curves, and minimise
66:
65:
49:
2480:
2014:
1888:
1805:
1795:
1604:
459:
Hinged circular door to allow service access to the smoke box to fix air leaks and remove cinders.
43:
55:
40:
2413:
2407:
2401:
2393:
2388:
1976:
1439:
1147:
146:
Attached rail vehicle that holds both water for the boiler and fuel such as wood, coal, or oil.
58:
38:
35:
42:
2277:
2125:
2115:
2064:
2019:
1999:
1986:
1966:
1948:
1893:
1847:
1717:
1660:
1584:
1574:. New York: Association of American Railroads and Simmons-Boardman Publishing Corp. 1925–1947.
1303:
1060:
491:
Walkway around the locomotive, from the cab front, to facilitate inspection and maintenance.
396:
392:
383:
247:
60:
54:
2353:
2341:
2314:
2040:
1958:
1928:
1780:
1495:
981:
972:
764:
495:
159:
150:
116:
69:
56:
47:
34:
22:
1502:: there are other constraints (such as a cap on daily views) to freely access this source.
565:
Steel arm that converts the reciprocating motion of the piston into a rotary motion of the
2526:
2259:
2201:
2120:
2009:
2004:
1918:
1873:
1023:
841:
794:
277:
215:
lever, which controls the application of brakes throughout the length of the train and a
1443:
32:
2445:
2294:
2266:
1943:
1842:
1765:
1755:
1665:
941:
679:
Pass steam back through the boiler to dry and superheat it for greater efficiency. See
566:
560:
522:
Cast iron or composite material that rubs on all the driving wheel treads for braking.
506:
472:
463:
354:
108:
670:– produced by heat from the firebox and boiler tubes – to be above the water surface.
2576:
2233:
2206:
2105:
2024:
1860:
990:
928:
919:
913:
870:
864:
834:
826:
533:
408:
287:
269:
211:
141:
793:
Supports the burning fuel while allowing the products of combustion – ash and small
33:
2434:
2191:
1938:
1923:
1878:
1732:
1727:
1641:
932:
768:
620:
404:
311:
1296:
513:
made from steel plate but some end-of-era designs included cast steel sub-frames.
391:
Powered by steam, it compresses air for operating the train air brake system. The
326:
driven by a small steam turbine, for the headlight and other locomotive lighting.
134:) point to numbers of related entries, both in this list and in the main diagram.
316:
Pressure relief valve to stop the boiler pressure exceeding the operating limit.
2359:
2333:
2286:
1883:
1857:
1827:
1705:
1700:
851:
713:
674:
642:
612:
358:
239:
956:) truck (UK+) apply when there are two wheels; the others when there are four.
2365:
2308:
1933:
1868:
1852:
1790:
1747:
1737:
1556:
1013:
989:
Device at the front and rear of the locomotive for connecting locomotives and
960:
579:
548:
542:
517:
395:
is used world-wide; in Europe two systems that use the same principle are the
370:
304:
2161:
2146:
1448:(2nd ed.). New York: The Railroad Gazette – via Internet Archive.
897:
571:
1323:
2050:
1389:. Chicago: Cropley Phillips Company. p. 14 – via Google Books.
696:
687:
415:
231:
2166:
1903:
660:
588:
407:, used historically, do not employ compressors; as a result of their
893:
Connects a leaf spring to a journal box / axle box (40) on a wheel.
1685:
667:
169:
127:) indicates alternative terms in use within the same jurisdiction.
27:
1610:
830:
1614:
243:, which allow the level of water in the boiler to be monitored
235:, which allow steam to force water into the boiler when needed
1475:. Chicago: Cropley Phillips Company – via Google Books.
16:
Glossary of the main components of a typical steam locomotive
366:") to limit the amount of steam admitted to the cylinders.
264:
valve, which regulates the steam supplied to the blower (11)
1557:"Steam locomotive introduction (the Great Western archive)"
187:, which controls the amount of steam entering the cylinders
778:
Tank for water to be used by the boiler to produce steam.
206:") to limit the amount of steam admitted to the cylinders.
273:
lever, which varies the steam supplied to the whistle (3)
257:, which allow the flow of lubricating oil to be monitored
575:, which slides on a horizontal bar behind the cylinder.
842:
Equalising beams / Equalising levers / Equalising bars
303:) or reversing lever or wheel (UK+) in the cab to the
1472:
The locomotive: its working described and illustrated
1386:
The locomotive: its working described and illustrated
488:
Foot board / Run board / Running board / Tread plate
227:, which show the pressure of the steam in the boiler
2500:
2471:
2444:
2425:
2379:
2332:
2285:
2276:
2243:
2224:
2215:
2134:
2091:
2063:
2033:
1985:
1957:
1911:
1902:
1818:
1746:
1693:
1684:
1648:
82:The main components of a typical steam locomotive.
569:. The connection between piston and main rod is a
174:Most controls are mounted on the boiler's backhead
602:Chamber that receives steam from the steam pipe.
421:being expelled. Components in the smokebox are:
219:lever, controlling brakes on the locomotive only
1375:
1373:
1371:
1369:
1367:
1365:
105:
31:
1363:
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1134:
1132:
1130:
1128:
1126:
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1122:
1120:
1118:
1116:
1114:
1112:
1110:
1108:
1106:
1104:
1102:
1626:
1583:. Oxford, New York: Oxford University Press.
1100:
1098:
1096:
1094:
1092:
1090:
1088:
1086:
1084:
1082:
8:
1061:"A glossary of 19th century railroad terms"
1055:
1053:
1051:
1049:
1047:
1045:
1043:
1041:
1039:
2282:
2221:
1908:
1690:
1633:
1619:
1611:
1572:Locomotive cyclopedia of American practice
538:Connect the driving wheels (43) together.
111:and some of its former colonies (shown as
1579:Semmens, P.W.B.; Goldfinch, A.J. (2000).
1490:
1488:
1486:
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1200:
1198:
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1194:
1192:
1190:
1188:
84:Click or hover over numbers to see names.
1414:
1412:
1410:
1408:
1406:
1404:
1402:
1400:
1398:
1396:
1186:
1184:
1182:
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1174:
1172:
1170:
1168:
2508:Glossary of steam locomotive components
1035:
584:Connects the piston to the cross-head.
411:they are no longer in large-scale use.
357:) permits air to be drawn through the
299:Rod linking the reversing lever (US:
7:
1506:"Glossary of steam locomotive terms"
21:Main components found on a typical
2360:National Museum of Scotland engine
1504:Carlson, Neil (14 November 2011).
1302:. New York: The Railroad Gazette.
14:
1581:How steam locomotives really work
1067:. Kansas City: Linda Hall Library
2542:List of steam technology patents
1494:
1009:Glossary of rail transport terms
804:Collects the ash from the fire.
452:Carries steam to the cylinders.
115:) and in countries that follow
2527:Murdoch's model steam carriage
2513:History of steam road vehicles
1295:Fowler, George Little (1906).
860:/ axle box (40) to the frame.
430:
1:
2598:Steam locomotive technologies
2454:Murray's Hypocycloidal Engine
1152:The Railway Technical Website
1065:The Transcontinental Railroad
393:Westinghouse air brake system
362:its mid-point ("reducing the
130:Numbers in parentheses (e.g.
2583:Glossaries of rail transport
2177:Return connecting rod engine
786:firebox from a sealed tank.
2101:Condensing steam locomotive
1607:– Railway Technical Website
1445:Catechism of the locomotive
353:is closed, a vacuum valve (
320:Generator / Turbo-generator
2614:
2408:"Coalbrookdale Locomotive"
1512:. Waukesha: Kalmbach Media
929:Leading bogie / Lead truck
379:Air pump / Air compressor
2414:"Pen-y-Darren" locomotive
2083:Single- and double-acting
1605:List of US–UK terminology
628:Valve chest / Steam chest
561:Connecting rod / Main rod
534:Coupling rods / Side rods
101:Details of the components
2253:Newcomen Memorial Engine
1536:SL/DE/21642, SL/DE/21631
1530:BR drawings held by the
1014:Horsepower#Drawbar power
1004:Glossary of boiler terms
518:Brake shoe / Brake block
2557:Timeline of steam power
2552:Stationary steam engine
2435:Woolf's compound engine
2342:Soho Manufactory engine
2197:Steeple compound engine
1864:straight line mechanism
1532:National Railway Museum
645:and/or wood were used.
2562:Water-returning engine
2536:Lean's Engine Reporter
2309:Chacewater Mine engine
2182:Six-column beam engine
1555:Daniel, John (2008) .
437:Petticoat pipe / Apron
175:
136:
93:
2402:London Steam Carriage
1324:"Backhead definition"
409:relative inefficiency
224:steam pressure gauges
173:
81:
2348:Bradley Works engine
2172:Reciprocating engine
1995:Babcock & Wilcox
1838:Centrifugal governor
1467:Kirkman, Marshall M.
1381:Kirkman, Marshall M.
1019:Power classification
324:Electrical generator
1889:Sun and planet gear
1440:Forney, Matthias N.
797:– to drop through.
119:practice (shown as
2389:Richard Trevithick
1987:Water-tube boilers
1801:Gresley conjugated
961:Pilot / Cowcatcher
255:lubricator glasses
176:
94:
2593:Steam locomotives
2570:
2569:
2496:
2495:
2375:
2374:
2059:
2058:
1959:Fire-tube boilers
1814:
1813:
1590:978-0-19-860782-3
890:Pedestal / Saddle
775:Water compartment
721:Superheater tubes
675:Superheater tubes
384:Westinghouse pump
248:mechanical stoker
117:Northern American
2605:
2588:Locomotive parts
2520:fardier à vapeur
2354:Whitbread Engine
2315:Smethwick Engine
2283:
2222:
2041:Feedwater heater
1909:
1691:
1635:
1628:
1621:
1612:
1594:
1575:
1567:
1565:
1563:
1542:
1541:
1537:
1528:
1522:
1521:
1519:
1517:
1501:
1498:
1497:
1492:
1477:
1476:
1463:
1450:
1449:
1436:
1391:
1390:
1377:
1340:
1339:
1337:
1335:
1320:
1314:
1313:
1292:
1163:
1162:
1160:
1158:
1148:"Steam Glossary"
1144:
1077:
1076:
1074:
1072:
1057:
987:
978:
966:
938:
925:
907:
883:
876:
825:Housing for the
823:
814:
746:
733:
702:
693:
554:
478:
469:
441:
389:
350:
343:
217:locomotive brake
165:
156:
91:
30:
23:steam locomotive
2613:
2612:
2608:
2607:
2606:
2604:
2603:
2602:
2573:
2572:
2571:
2566:
2492:
2467:
2440:
2421:
2371:
2328:
2272:
2260:Fairbottom Bobs
2245:Newcomen engine
2239:
2211:
2157:Expansion valve
2130:
2116:Watt's separate
2087:
2055:
2029:
1981:
1953:
1898:
1874:Parallel motion
1810:
1761:Stephenson link
1742:
1680:
1649:Operating cycle
1644:
1639:
1601:
1591:
1578:
1570:
1561:
1559:
1554:
1551:
1549:Further reading
1546:
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1503:
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1480:
1465:
1464:
1453:
1438:
1437:
1394:
1379:
1378:
1343:
1333:
1331:
1328:Your dictionary
1322:
1321:
1317:
1310:
1294:
1293:
1166:
1156:
1154:
1146:
1145:
1080:
1070:
1068:
1059:
1058:
1037:
1032:
1024:Tractive effort
1000:
988:
985:
979:
976:
967:
964:
939:
936:
926:
923:
908:
905:
901:
892:
884:
881:
877:
874:
868:
855:
845:
824:
821:
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812:
803:
792:
784:
777:
761:
754:
747:
744:
734:
731:
717:
703:
700:
697:Regulator valve
694:
691:
678:
664:
655:
640:
631:
610:
601:
592:
583:
564:
555:
552:
546:
537:
528:
521:
499:
490:
479:
476:
470:
467:
464:Trailing truck
458:
451:
442:
439:
427:
419:
390:
387:
381:
374:
351:
348:
344:
341:
334:
322:
315:
298:
291:
232:injector valves
193:reversing lever
166:
163:
157:
154:
145:
137:
129:
128:
103:
87:
80:
28:
17:
12:
11:
5:
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2420:
2419:
2418:
2417:
2411:
2405:
2399:
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2377:
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2373:
2372:
2370:
2369:
2363:
2357:
2351:
2345:
2338:
2336:
2330:
2329:
2327:
2326:
2318:
2312:
2306:
2298:
2295:Kinneil Engine
2291:
2289:
2280:
2274:
2273:
2271:
2270:
2267:Elsecar Engine
2264:
2256:
2249:
2247:
2241:
2240:
2238:
2237:
2230:
2228:
2219:
2213:
2212:
2210:
2209:
2204:
2199:
2194:
2189:
2187:Steeple engine
2184:
2179:
2174:
2169:
2164:
2159:
2154:
2149:
2144:
2138:
2136:
2132:
2131:
2129:
2128:
2123:
2118:
2113:
2108:
2103:
2097:
2095:
2089:
2088:
2086:
2085:
2080:
2075:
2069:
2067:
2061:
2060:
2057:
2056:
2054:
2053:
2048:
2046:Feedwater pump
2043:
2037:
2035:
2031:
2030:
2028:
2027:
2022:
2017:
2012:
2007:
2002:
1997:
1991:
1989:
1983:
1982:
1980:
1979:
1974:
1969:
1963:
1961:
1955:
1954:
1952:
1951:
1946:
1941:
1936:
1931:
1926:
1921:
1915:
1913:
1912:Simple boilers
1906:
1900:
1899:
1897:
1896:
1894:Watt's linkage
1891:
1886:
1881:
1876:
1871:
1866:
1855:
1850:
1845:
1843:Connecting rod
1840:
1835:
1830:
1824:
1822:
1816:
1815:
1812:
1811:
1809:
1808:
1803:
1798:
1793:
1788:
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1778:
1773:
1768:
1763:
1758:
1752:
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1744:
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1730:
1725:
1720:
1715:
1710:
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1708:
1697:
1695:
1688:
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1681:
1679:
1678:
1673:
1668:
1663:
1658:
1652:
1650:
1646:
1645:
1640:
1638:
1637:
1630:
1623:
1615:
1609:
1608:
1600:
1599:External links
1597:
1596:
1595:
1589:
1576:
1568:
1550:
1547:
1544:
1543:
1523:
1510:Classic Trains
1478:
1451:
1392:
1341:
1315:
1308:
1164:
1078:
1034:
1033:
1031:
1028:
1027:
1026:
1021:
1016:
1011:
1006:
999:
996:
995:
994:
969:
957:
910:
894:
887:
886:is under way.
879:Coupled wheels
865:Driving wheels
861:
848:
838:
805:
798:
787:
779:
772:
756:
749:
724:
710:
707:Throttle lever
688:Throttle valve
684:
671:
657:
646:
633:
624:
603:
594:
585:
576:
567:driving wheels
557:
539:
530:
523:
514:
507:locomotive bed
492:
485:
460:
453:
446:
445:
444:
434:
412:
376:
367:
355:snifting valve
339:Throttle lever
336:
327:
317:
308:
293:
284:
283:
282:
274:
265:
258:
252:
244:
236:
228:
220:
207:
188:
181:throttle lever
147:
109:United Kingdom
104:
102:
99:
15:
13:
10:
9:
6:
4:
3:
2:
2610:
2599:
2596:
2594:
2591:
2589:
2586:
2584:
2581:
2580:
2578:
2563:
2560:
2558:
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2553:
2550:
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2538:
2537:
2533:
2528:
2525:
2522:
2521:
2516:
2515:
2514:
2511:
2509:
2506:
2505:
2503:
2499:
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2482:
2479:
2478:
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2470:
2463:
2462:
2458:
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2436:
2433:
2432:
2430:
2428:
2424:
2415:
2412:
2409:
2406:
2403:
2400:
2397:
2396:
2395:Puffing Devil
2392:
2391:
2390:
2387:
2386:
2384:
2382:
2381:High-pressure
2378:
2367:
2364:
2361:
2358:
2355:
2352:
2349:
2346:
2343:
2340:
2339:
2337:
2335:
2334:Rotative beam
2331:
2324:
2323:
2319:
2316:
2313:
2310:
2307:
2304:
2303:
2299:
2296:
2293:
2292:
2290:
2288:
2284:
2281:
2279:
2275:
2268:
2265:
2262:
2261:
2257:
2254:
2251:
2250:
2248:
2246:
2242:
2235:
2234:Savery Engine
2232:
2231:
2229:
2227:
2223:
2220:
2218:
2214:
2208:
2207:Working fluid
2205:
2203:
2200:
2198:
2195:
2193:
2190:
2188:
2185:
2183:
2180:
2178:
2175:
2173:
2170:
2168:
2165:
2163:
2160:
2158:
2155:
2153:
2150:
2148:
2145:
2143:
2140:
2139:
2137:
2133:
2127:
2124:
2122:
2119:
2117:
2114:
2112:
2109:
2107:
2104:
2102:
2099:
2098:
2096:
2094:
2090:
2084:
2081:
2079:
2076:
2074:
2071:
2070:
2068:
2066:
2062:
2052:
2049:
2047:
2044:
2042:
2039:
2038:
2036:
2032:
2026:
2023:
2021:
2018:
2016:
2013:
2011:
2008:
2006:
2003:
2001:
1998:
1996:
1993:
1992:
1990:
1988:
1984:
1978:
1975:
1973:
1970:
1968:
1965:
1964:
1962:
1960:
1956:
1950:
1947:
1945:
1942:
1940:
1937:
1935:
1932:
1930:
1927:
1925:
1922:
1920:
1917:
1916:
1914:
1910:
1907:
1905:
1901:
1895:
1892:
1890:
1887:
1885:
1884:Rotative beam
1882:
1880:
1877:
1875:
1872:
1870:
1867:
1865:
1862:
1861:hypocycloidal
1859:
1856:
1854:
1851:
1849:
1846:
1844:
1841:
1839:
1836:
1834:
1831:
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1669:
1667:
1664:
1662:
1659:
1657:
1654:
1653:
1651:
1647:
1643:
1642:Steam engines
1636:
1631:
1629:
1624:
1622:
1617:
1616:
1613:
1606:
1603:
1602:
1598:
1592:
1586:
1582:
1577:
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1533:
1527:
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1399:
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1370:
1368:
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1356:
1354:
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1350:
1348:
1346:
1342:
1329:
1325:
1319:
1316:
1311:
1309:9780912318202
1305:
1301:
1300:
1299:illustrations
1291:
1289:
1287:
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1273:
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1229:
1227:
1225:
1223:
1221:
1219:
1217:
1215:
1213:
1211:
1209:
1207:
1205:
1203:
1201:
1199:
1197:
1195:
1193:
1191:
1189:
1187:
1185:
1183:
1181:
1179:
1177:
1175:
1173:
1171:
1169:
1165:
1153:
1149:
1143:
1141:
1139:
1137:
1135:
1133:
1131:
1129:
1127:
1125:
1123:
1121:
1119:
1117:
1115:
1113:
1111:
1109:
1107:
1105:
1103:
1101:
1099:
1097:
1095:
1093:
1091:
1089:
1087:
1085:
1083:
1079:
1066:
1062:
1056:
1054:
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1048:
1046:
1044:
1042:
1040:
1036:
1029:
1025:
1022:
1020:
1017:
1015:
1012:
1010:
1007:
1005:
1002:
1001:
997:
992:
991:rolling stock
984:
983:
975:
974:
970:
963:
962:
958:
955:
951:
947:
943:
935:
934:
930:
922:
921:
916:
915:
911:
904:
900:
899:
895:
891:
888:
880:
873:
872:
867:
866:
862:
859:
854:
853:
849:
844:
843:
839:
836:
832:
828:
820:
819:
811:
810:
806:
802:
801:Ashpan hopper
799:
796:
791:
788:
783:
780:
776:
773:
770:
766:
760:
757:
753:
750:
743:
739:
738:
730:
729:
725:
722:
716:
715:
711:
708:
699:
698:
690:
689:
685:
682:
677:
676:
672:
669:
663:
662:
658:
654:
650:
647:
644:
639:
638:
634:
630:
629:
625:
622:
621:poppet valves
618:
617:piston valves
614:
609:
608:
604:
600:
599:
595:
591:
590:
586:
582:
581:
577:
574:
573:
568:
563:
562:
558:
551:
550:
545:
544:
540:
536:
535:
531:
527:
524:
520:
519:
515:
512:
508:
504:
498:
497:
493:
489:
486:
483:
482:Leading wheel
475:
474:
466:
465:
461:
457:
456:Smokebox door
454:
450:
447:
440:(US+ and UK+)
438:
435:
432:
426:
423:
422:
418:
417:
413:
410:
406:
405:Vacuum brakes
402:
398:
394:
386:
385:
380:
377:
373:
372:
368:
365:
360:
356:
347:
340:
337:
333:
332:
328:
325:
321:
318:
314:
313:
309:
306:
302:
297:
294:
290:
289:
285:
280:
279:
275:
272:
271:
266:
263:
259:
256:
253:
250:
249:
245:
242:
241:
237:
234:
233:
229:
226:
225:
221:
218:
214:
213:
208:
205:
201:
200:
196:or (US term)
195:
194:
189:
186:
182:
178:
177:
172:
162:
161:
155:(US+ and UK+)
153:
152:
148:
144:
143:
139:
138:
135:
133:
126:
122:
118:
114:
110:
100:
98:
90:
85:
26:
24:
19:
2547:Modern steam
2534:
2519:
2481:Porter-Allen
2460:
2394:
2321:
2301:
2258:
2192:Safety valve
2121:"Pickle-pot"
2015:Thimble tube
1580:
1571:
1560:. Retrieved
1534:, including
1526:
1514:. Retrieved
1509:
1500:registration
1471:
1444:
1385:
1332:. Retrieved
1327:
1318:
1297:
1155:. Retrieved
1151:
1069:. Retrieved
1064:
980:
971:
959:
953:
949:
945:
933:Bissel truck
927:
918:
912:
903:Exhaust pipe
902:
896:
889:
878:
869:
863:
852:Leaf springs
850:
840:
816:
807:
800:
789:
781:
774:
769:vacuum brake
758:
751:
741:
735:
726:
720:
712:
706:
695:
686:
680:
673:
659:
652:
649:Boiler tubes
648:
635:
626:
613:slide valves
605:
596:
587:
578:
570:
559:
547:
541:
532:
525:
516:
511:plate frames
510:
502:
494:
487:
481:
471:
462:
455:
448:
436:
424:
414:
382:
378:
369:
345:
338:
329:
319:
312:Safety valve
310:
295:
286:
276:
268:
261:
254:
246:
240:water gauges
238:
230:
222:
216:
210:
197:
191:
184:
180:
158:
149:
140:
131:
124:
123:). A slash (
120:
112:
106:
95:
83:
20:
18:
2278:Watt engine
2078:Oscillating
2034:Boiler feed
1879:Plate chain
1858:Tusi couple
1771:Walschaerts
1656:Atmospheric
1540:SL/DE/22042
914:Pilot truck
858:journal box
809:Journal box
782:Coal bunker
714:Superheater
681:Superheater
397:Kunze-Knorr
359:superheater
301:Johnson Bar
212:train brake
199:Johnson bar
2577:Categories
2487:Ljungström
2473:High-speed
2366:Lap Engine
2322:Resolution
2226:Precursors
2111:Kirchweger
2073:Locomotive
2020:Three-drum
2000:Field-tube
1967:Locomotive
1949:Lancashire
1869:Link chain
1853:Crankshaft
1820:Mechanisms
1748:Valve gear
1334:11 October
1030:References
948:(US+) and
946:Pony truck
920:Pony truck
898:Blast pipe
759:Brake hose
728:Smokestack
580:Piston rod
543:Valve gear
503:bar frames
473:Rear bogie
449:Steam pipe
371:Steam dome
305:valve gear
2518:Cugnot's
2461:Salamanca
2162:Hydrolock
2147:Crosshead
2093:Condenser
1929:Egg-ended
765:air brake
752:Headlight
572:crosshead
526:Sand pipe
431:blastpipe
346:Regulator
331:Sand dome
296:Reach rod
185:regulator
160:Footplate
25:include:
2501:See also
2427:Compound
2302:Old Bess
2142:Blowback
2065:Cylinder
2051:Injector
2010:Stirling
2005:Sentinel
1919:Haystack
1833:Cataract
1806:Southern
1796:Caprotti
1671:Compound
1469:(1917).
1442:(1891).
1383:(1917).
998:See also
982:Coupling
818:Axle box
771:system.
598:Cylinder
416:Smokebox
401:Oerlikon
278:blowdown
2217:History
2126:Surface
1944:Cornish
1904:Boilers
1786:Corliss
1723:Corliss
1706:D slide
1676:Uniflow
1666:Cornish
973:Coupler
954:Bissell
871:Drivers
829:on the
827:bearing
795:clinker
737:Chimney
637:Firebox
364:cut-off
288:Whistle
270:whistle
204:cut-off
89:enlarge
2529:(1784)
2523:(1769)
2489:(1908)
2483:(1862)
2464:(1812)
2456:(1805)
2446:Murray
2437:(1803)
2416:(1804)
2410:(1803)
2404:(1803)
2398:(1801)
2368:(1788)
2362:(1786)
2356:(1785)
2350:(1783)
2344:(1782)
2325:(1781)
2317:(1779)
2311:(1778)
2305:(1777)
2297:(1768)
2269:(1795)
2263:(1760)
2255:(1725)
2236:(1698)
2202:Stroke
2167:Piston
2152:Cutoff
2025:Yarrow
1977:Launch
1972:Scotch
1733:Sleeve
1728:Poppet
1713:Piston
1694:Valves
1686:Valves
1587:
1562:14 May
1516:7 July
1330:. 2022
1306:
1157:7 July
1071:7 July
950:Bissel
942:yawing
837:(43).
742:Funnel
723:(30).
683:(32).
661:Boiler
589:Piston
549:Motion
484:(46).
425:Blower
262:blower
142:Tender
2135:Other
1939:Flued
1924:Wagon
1848:Crank
1791:Lentz
1781:Baker
1776:Allan
1701:Slide
986:(UK+)
977:(US+)
965:(US+)
937:(UK+)
924:(US+)
906:(US+)
882:(UK+)
875:(US+)
835:wheel
833:of a
822:(UK+)
813:(US+)
790:Grate
745:(UK+)
732:(US+)
709:(8).
701:(UK+)
692:(US+)
668:steam
653:flues
607:Valve
553:(UK+)
496:Frame
477:(UK+)
468:(US+)
388:(US+)
349:(UK+)
342:(US+)
164:(UK+)
2287:Beam
1828:Beam
1738:Bash
1718:Drop
1661:Watt
1585:ISBN
1564:2008
1538:and
1518:2019
1336:2022
1304:ISBN
1159:2019
1073:2019
952:(or
831:axle
651:and
643:coke
399:and
2106:Jet
1934:Box
1766:Joy
1756:Gab
767:or
619:or
183:or
151:Cab
121:US+
113:UK+
2579::
1508:.
1481:^
1454:^
1395:^
1344:^
1326:.
1167:^
1150:.
1081:^
1063:.
1038:^
931:/
917:,
740:,
623:.
615:,
307:.
267:a
260:a
209:a
190:a
179:a
132:20
125:/
1634:e
1627:t
1620:v
1593:.
1566:.
1520:.
1338:.
1312:.
1161:.
1075:.
993:.
92:)
86:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
