22:
115:
229:
The XA was unable to sustain a speed greater than five miles an hour, since the six cylinders could easily consume more steam than the boiler could produce. When operating in compound the high pressure steam was divided between the cylinders of the center engine. The exhaust from one cylinder was
233:
The exhaust from the front engine was piped to the exhaust nozzle inside the firebox to generate draft through the firebox, through the fire tubes and out the exhaust stack. The exhaust from the tender engine went out of a stack at the rear of the tender water tank. Unfortunately it did not
234:
contribute to draft, being wasted. The tender had a four-wheel truck at the rear to help guide the locomotive into curves when drifting back downhill after pushing a train over the hill.
245:. Unlike their predecessor which lasted only a few years in service, these two locomotives remained in service until 1953. However, neither of the two locomotives were preserved.
1187:
1146:
212:, it became the only example of their class XA, so named due to the experimental nature of the locomotive. Like the same railroad's large articulated electrics and the
1192:
1182:
1141:
32:
1172:
320:
293:
47:
230:
piped to the front articulated engine. The exhaust from the other center engine cylinder was piped to the tender engine.
1177:
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90:
62:
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69:
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209:
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180:
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1117:
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83:
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835:
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815:
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788:
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771:
766:
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756:
261:
21:
237:
The XA was sent back to
Baldwin in 1920 and was rebuilt as two locomotives, a
991:
964:
216:
403:
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288:
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947:
942:
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238:
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113:
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302:
15:
39:
289:
Web Site of ToyTrains1 2-8-8-8-4 Triplex Steam
Locomotives
43:
330:
Steam locomotive wheel arrangements (Whyte notation)
1098:
1041:
973:
844:
733:
662:
336:
222:An overview of Triplex engineering is given at
314:
8:
48:introducing citations to additional sources
1188:Individual locomotives of the United States
321:
307:
299:
158:(also known as German classification and
111:Articulated locomotive wheel arrangement
38:Relevant discussion may be found on the
253:
1193:Railway locomotives introduced in 1916
1183:Steam locomotives of the United States
200:Only one 2-8-8-8-4 was ever built, a
149:Other equivalent classifications are:
7:
14:
31:relies largely or entirely on a
20:
219:, it was nicknamed "Triplex".
1:
1173:Virginian Railway locomotives
118:The sole 2-8-8-8-4 locomotive
1209:
126:for the classification of
1131:
210:Baldwin Locomotive Works
1043:Articulated locomotives
1033:2-4-4-2+2-8-8-2+2-4-4-2
975:Articulated locomotives
846:Articulated locomotives
735:Articulated locomotives
1135:Other notation forms:
173:Turkish classification
160:Italian classification
138:, three sets of eight
119:
1009:0-6-2+2-4-2-4-2+2-6-0
165:French classification
117:
266:"Triplex Locomotive"
193:is to be refined to
181:Swiss classification
44:improve this article
1178:Baldwin locomotives
337:Single engine types
197:for these engines.
1100:Geared locomotives
1026:2-10-10-10-10-10-2
294:Virginian Class XA
224:Triplex locomotive
208:in 1916. Built by
191:UIC classification
152:UIC classification
120:
1155:
1154:
206:Virginian Railway
128:steam locomotives
109:
108:
94:
1200:
323:
316:
309:
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277:
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258:
104:
101:
95:
93:
52:
24:
16:
1208:
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1203:
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1201:
1199:
1198:
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1014:2-6-6-2+2-6-6-2
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745:
737:
729:
667:
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332:
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189:The equivalent
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144:trailing wheels
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12:
11:
5:
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1168:Whyte notation
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283:External links
281:
279:
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252:
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204:-type for the
140:driving wheels
136:leading wheels
124:Whyte notation
110:
107:
106:
42:. Please help
28:
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19:
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1021:2-8-8-8-8-8-2
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664:Divided drive
661:
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625:
624:
621:
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267:
263:
262:Self, Douglas
257:
254:
248:
246:
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235:
231:
227:
225:
220:
218:
215:
214:Erie Railroad
211:
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157:
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92:
89:
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71:
68:
64:
61: –
60:
56:
55:Find sources:
49:
45:
41:
35:
34:
33:single source
29:This article
27:
23:
18:
17:
996:
671:engine types
269:. Retrieved
256:
236:
232:
228:
221:
199:
194:
188:
184:
176:
168:
155:
148:
131:
121:
100:January 2024
97:
87:
80:
73:
66:
54:
30:
1004:2-8-8-8-8-2
836:4-8-4+4-8-4
831:4-8-2+2-8-4
826:4-8-0+0-8-4
821:2-8-2+2-8-2
816:2-8-0+0-8-2
809:4-6-4+4-6-4
804:4-6-2+2-6-4
799:4-6-0+0-6-4
794:2-6-2+2-6-2
789:2-6-0+0-6-2
784:0-6-2+2-6-0
779:0-6-0+0-6-0
772:4-4-2+2-4-4
767:2-4-2+2-4-2
762:2-4-0+0-4-2
757:0-4-0+0-4-0
195:(1'D)D(D2')
185:4/5+4/4+4/6
169:140+040+042
142:, and four
59:"2-8-8-8-4"
1162:Categories
1123:Willamette
981:and other
393:(monorail)
249:References
217:2-8-8-8-2s
122:Under the
70:newspapers
997:2-8-8-8-4
992:2-8-8-8-2
983:Multiplex
965:2-10-10-2
132:2-8-8-8-4
40:talk page
693:2-2-4-0T
177:45+44+46
134:has two
1118:Heisler
1078:0-6-4-0
1047:Engerth
979:Triplex
958:4-8-8-4
953:4-8-8-2
948:2-8-8-4
943:2-8-8-2
938:2-8-8-0
933:0-8-8-0
928:0-8-6-0
921:4-6-6-4
916:4-6-6-2
911:4-4-6-2
906:2-6-8-0
901:2-6-6-6
896:2-6-6-4
891:2-6-6-2
886:2-6-6-0
881:0-6-6-0
874:2-4-4-2
869:2-4-4-0
864:0-4-4-2
859:0-4-4-0
748:Garratt
739:Fairlie
725:4-6-4-4
720:4-4-6-4
715:6-4-4-6
710:4-4-4-4
705:2-4-6-2
698:4-2-2-0
688:2-2-2-2
683:2-2-2-0
678:0-2-2-0
404:0-4-0+4
241:,and a
239:2-8-8-0
84:scholar
1113:Climax
850:Mallet
669:Duplex
654:4-14-4
647:4-12-2
642:2-12-4
637:2-12-2
632:2-12-0
627:0-12-0
620:4-10-2
615:4-10-0
610:2-10-4
605:2-10-2
600:2-10-0
595:0-10-2
590:0-10-0
533:0-8-4T
501:2-6-6T
481:0-6-6T
439:2-4-6T
434:2-4-4T
419:0-4-6T
414:0-4-4T
379:4-2-4T
364:2-2-4T
202:Mallet
86:
79:
72:
65:
57:
1142:Swiss
1090:0-8-6
1085:0-8-4
1073:0-6-4
1068:2-6-4
1061:0-4-6
1056:0-4-4
1049:types
985:types
852:types
750:types
743:Meyer
583:6-8-6
578:4-8-6
573:4-8-4
568:4-8-2
563:4-8-0
558:2-8-6
553:2-8-4
548:2-8-2
543:2-8-0
538:0-8-6
528:0-8-2
523:0-8-0
516:4-6-4
511:4-6-2
506:4-6-0
496:2-6-4
491:2-6-2
486:2-6-0
476:0-6-4
471:0-6-2
466:0-6-0
459:4-4-6
454:4-4-4
449:4-4-2
444:4-4-0
429:2-4-2
424:2-4-0
409:0-4-2
399:0-4-0
391:0-3-0
384:6-2-0
374:4-2-2
369:4-2-0
359:2-2-2
354:2-2-0
349:0-2-4
344:0-2-2
271:8 May
243:2-8-2
156:1DDD2
91:JSTOR
77:books
1108:Shay
746:and
666:and
273:2016
130:, a
63:news
1147:UIC
1137:AAR
46:by
1164::
741:,
264:.
226:.
183::
175::
167::
154::
146:.
322:e
315:t
308:v
275:.
162:)
102:)
98:(
88:·
81:·
74:·
67:·
50:.
36:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
