36:
949:
855:
102:
960:
is a variant built between
November and December 1982. This model differs from the GP15-1 due to Missouri Pacific specifying new AR10 AC alternators instead of rebuilt D32 DC generators. The only external difference between the GP15AC and the GP15-1 is a straight side sill (shared with the
697:
12-cylinder to generate the same horsepower. The GP15AC differs from the others as it uses an AC alternator connected to the engine instead of a DC generator to drive the traction motors. The radiator section is similar to those found on the
706:"tunnel motors," leading some observers to incorrectly identify the units as such or as GP15Ts, and giving them the nickname "baby tunnel motors". A number of GP15-1s remain in service today for yard work and light road duty.
746:(all subsequent units were delivered with Blomberg B trucks) — and, while the standard Blomberg B truck carries two brake shoes per wheel, many MP units were equipped with only a single brake shoe per wheel;
730:
purchased more units than the other three buyers combined. For spotting purposes, the MP models have a number of visually distinguishing features, though not all were applied consistently to the MP units:
671:
between June 1976 and April 1983. Intended to provide an alternative to the rebuilding programs that many railroads were applying to their early road switchers, it is generally employed as a
866:, between October 1982 and April 1983. It was a very close cousin to the GP15-1, but used a turbocharger in order to generate more power from a smaller engine. Power was provided by an 8-
719:
The GP15-1 was the most popular variant as it did not contain either of the newer technologies of the other two variants (turbocharging or AC control). EMD built a total of 310 units for
1596:
1611:
1219:
1160:
1037:'s at their Jenk's shop. These units received a microprocessor control system to increase adhesion, control options, and extend the life of the locomotive.
749:#1555–#1574 were outfitted with the standard 81" nose, while the remaining units (all built in December 1976 or later) came with an 88" nose;
1601:
1591:
1532:
1482:
1239:
1522:
973:
1263:
1211:
1150:
1120:
1377:
1296:
1086:
767:
79:
57:
1342:
50:
1190:
821:
919:
886:
682:. There were 3 variants made: the GP15-1, the GP15T, and the GP15AC. The GP15-1 and GP15AC are powered by a 12-
571:
480:
1606:
547:
260:
106:
Union
Pacific Yard (UPY) 742, a GP15-1 idles in Union Pacific's Global 1 intermodal yard in Chicago, IL.
1005:
664:
17:
993:
969:
808:
727:
1586:
800:
448:
440:
375:
44:
1565:
1050:
776:
399:
61:
1391:
1370:
668:
388:
380:
203:
134:
689:
engine, which generates 1,500 hp (1,119 kW). The GP15T differs in that it uses a
885:
received the majority of them as C&O 1500–1524 (25 units), while the rest went to the
8:
672:
1247:
1046:
794:
1355:
1310:
1302:
1292:
1082:
867:
683:
575:
559:
534:
522:
1363:
948:
490:
854:
1271:
1155:
621:
124:
735:
The MP units have a grab iron ladder mounted on both sides of the long hood end;
906:
882:
500:
241:
1580:
1387:
878:
720:
679:
647:
566:
554:
249:
1314:
1349:
1112:
830:
694:
690:
464:
459:
1447:
703:
699:
213:
1527:
1517:
1502:
1492:
1477:
1472:
1422:
1407:
1182:
874:(1.12 MW), the same as the GP15-1, but with four fewer cylinders.
871:
743:
739:
613:
437:
539:
9.1 in × 10 in (231 mm × 254 mm) (-1/AC)
1512:
1497:
1442:
1427:
1054:
962:
445:
101:
1552:
1547:
1542:
1537:
1507:
1487:
1467:
1462:
1457:
1452:
1437:
1432:
1328:
Sperandeo, Andy. "The EMD GP15-1: EMD's down-sized road switcher."
686:
675:
1417:
1412:
1402:
968:
34 examples of this locomotive model were built in total: 30 for
783:
514:
391:
383:
1306:
344:
2,400 imp gal (11,000 L; 2,900 US gal)
27:
Model of 310 American 1500hp Bo′Bo′ diesel-electric locomotives
723:
railroads in this variant between June 1976 and March 1982.
1049:
donated GP15T #1507 (built 1982 as C&O #1507) to the
1057:. It is the first GP15 class locomotive to be preserved.
360:
210 US gal (795 L; 175 imp gal)
352:
135 US gal (511 L; 112 imp gal)
1385:
1033:
Union
Pacific has rebuilt 22 of their GP15-1's into
877:
28 examples of this locomotive model were built for
1287:Marre, Louis A. & Pinkepank, Jerry A. (1989).
304: in (3.127 m) (over hand rail supports)
1597:Diesel-electric locomotives of the United States
1578:
604:82 mph (132 km/h) (with 60:17 gearing)
602:76 mph (122 km/h) (with 61:16 gearing)
600:70 mph (110 km/h) (with 62:15 gearing)
1612:Standard gauge locomotives of the United States
598:53 mph (85 km/h) (with 65:12 gearing)
1286:
965:) not related to the transmission difference.
1371:
1350:EMD GP15-1, GP15AC, and GP15T Original Owners
816:Most in service with Union Pacific Railroad
475:7,740 cu in (126.8 L) (-1/AC)
1378:
1364:
370:72 cu ft (2.04 m) (special)
80:Learn how and when to remove this message
1081:. Boston: Houghton Mifflin. p. 30.
1079:A field guide to trains of North America
947:
870:diesel engine that generated 1,500
862:EMD built 28 examples of a variant, the
853:
368:56 cu ft (1.59 m) (basic)
43:This article includes a list of general
1289:The Contemporary Diesel Spotter's Guide
709:
14:
1602:Railway locomotives introduced in 1976
1579:
1110:
1076:
738:MP's initial order of GP15-1s rode on
669:General Motors Electro-Motive Division
334:246,000 lb (111,600 kg) (-1)
135:General Motors Electro-Motive Division
1359:
1193:from the original on 28 December 2023
1148:
336:244,000 lb (110,677 kg) (T)
1163:from the original on 6 December 2023
1151:"GP15-1 locomotives: EMD workhorses"
1144:
1142:
1140:
1138:
1106:
1104:
1102:
1100:
1098:
1072:
1070:
889:in Florida as AN 720–722 (3 units).
282:54 ft 11 in (16.74 m)
29:
1592:Electro-Motive Division locomotives
1264:"The History of EMD Diesel Engines"
833:. Some traded to GMTX for GP38-2's
742:trucks rather than the more common
159:October 1982 – April 1983 (T)
24:
1322:
1222:from the original on 15 March 2024
1113:"GP15-1, GP15AC, and GP15T Roster"
829:#100–124 All have been retired by
157:June 1976 – March 1982 (-1)
49:it lacks sufficient corresponding
25:
1623:
1336:
1180:
1149:Scott, Robert (1 December 2022).
1135:
1123:from the original on 14 July 2023
1095:
1067:
768:Chicago and North Western Railway
161:November & December 1982 (AC)
1291:. Waukesha, WI: Kalmbach Books.
1268:Pacific Southwest Railway Museum
858:Apalachicola Northern GP15T #722
100:
34:
1040:
822:St. Louis-San Francisco Railway
1332:, January 1990, 110–115.
1204:
1174:
920:Apalachicola Northern Railroad
887:Apalachicola Northern Railroad
13:
1:
1060:
626:47,000 lbf (210 kN)
1183:"Union Pacific Motive Power"
1003:
991:
917:
904:
819:
806:
781:
765:
7:
1343:EMD GP15T Operator's Manual
1240:"GP15-1 specification page"
1028:
972:, and four for Venezuela's
517:(with 62:15 gearing) (-1/T)
10:
1628:
1244:GATX Rail Locomotive Group
1216:B&O RR Museum Archives
1077:Foster, Gerald L. (1996).
1006:State Railways Institution
693:8-cylinder instead of the
665:diesel-electric locomotive
279: • Over couplers
255:40 in (1,016 mm)
1561:
1398:
994:Missouri Pacific Railroad
970:Missouri Pacific Railroad
952:Union Pacific GP15AC #722
943:
809:Missouri Pacific Railroad
728:Missouri Pacific Railroad
714:
643:
638:
634:
620:
608:
594:
589:
585:
565:
553:
543:
533:
521:
509:
499:
489:
479:
471:
455:
433:
425:
417:
410: • RPM low idle
409:
398:
374:
364:
356:
348:
340:
330:
308:
286:
278:
269:
265:120 ft (36.6 m)
259:
248:
212:
201:
192:
187:
183:
165:
153:
141:
130:
120:
115:
111:
99:
94:
849:
801:Norfolk Southern Railway
426: • Maximum RPM
1566:List of EMD locomotives
1051:B&O Railroad Museum
510: • Continuous
326: in (4.636 m)
64:more precise citations.
953:
859:
777:Union Pacific Railroad
1423:GP15-1, GP15AC, GP15T
951:
857:
775:Most in service with
505:4×D77 (-1/T)
418: • RPM idle
1347:Sarberenyi, Robert.
1111:Sarberenyi, Robert.
710:History and variants
1607:Freight locomotives
1055:Baltimore, Maryland
590:Performance figures
1553:GP60, GP60B, GP60M
1478:GP38-2/38-2L/38-2W
954:
860:
803:and sold to LTEX.
797:and sold to GMTX.
795:CSX Transportation
95:EMD GP15 (-1/T/AC)
1574:
1573:
1026:
1025:
941:
940:
847:
846:
657:
656:
653:
652:
630:
629:
581:
580:
179:
178:
90:
89:
82:
16:(Redirected from
1619:
1380:
1373:
1366:
1357:
1356:
1330:Model Railroader
1318:
1283:
1281:
1279:
1274:on July 22, 2014
1270:. Archived from
1259:
1257:
1255:
1250:on April 8, 2005
1246:. Archived from
1231:
1230:
1228:
1227:
1208:
1202:
1201:
1199:
1198:
1178:
1172:
1171:
1169:
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1108:
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185:
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168:
113:
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92:
91:
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78:
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71:
65:
60:this article by
51:inline citations
38:
37:
30:
21:
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1626:
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1587:B-B locomotives
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1323:Further reading
1299:
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1187:The Diesel Shop
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1075:
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946:
881:railroads. The
852:
799:All retired by
798:
793:all retired by
792:
717:
712:
622:Tractive effort
603:
601:
599:
548:diesel electric
528:
501:Traction motors
495:AR10-D14 (-1/T)
463:
449:2-stroke diesel
444:
441:2-stroke diesel
387:
369:
335:
322:
318:
315:
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300:
296:
293:
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271:
240:
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219:4 ft
218:
194:
174:
172:
166:
160:
158:
148:
146:
125:Diesel-electric
116:Type and origin
107:
86:
75:
69:
66:
56:Please help to
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39:
35:
28:
23:
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5:
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1440:
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1420:
1415:
1410:
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1399:
1396:
1395:
1388:road switchers
1383:
1382:
1375:
1368:
1360:
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1353:
1345:
1338:
1337:External links
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1334:
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1023:
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989:
986:
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938:
936:
933:
929:
928:
925:
922:
916:
915:
912:
909:
907:Chessie System
903:
902:
899:
896:
883:Chessie System
851:
848:
845:
844:
842:
839:
835:
834:
827:
824:
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817:
814:
811:
805:
804:
789:
786:
780:
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773:
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764:
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757:
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750:
747:
736:
716:
713:
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708:
655:
654:
651:
650:
645:
641:
640:
632:
631:
628:
627:
624:
618:
617:
616:(1.12 MW)
610:
606:
605:
596:
592:
591:
583:
582:
579:
578:
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378:
372:
371:
366:
362:
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354:
353:
350:
349:Lubricant cap.
346:
345:
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328:
327:
310:
306:
305:
288:
284:
283:
280:
276:
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263:
257:
256:
253:
246:
245:
242:standard gauge
216:
210:
209:
206:
199:
198:
195:
193:Configuration:
190:
189:
188:Specifications
181:
180:
177:
176:
169:
167:Total produced
163:
162:
155:
151:
150:
143:
139:
138:
132:
128:
127:
122:
118:
117:
109:
108:
105:
97:
96:
88:
87:
42:
40:
33:
26:
9:
6:
4:
3:
2:
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1605:
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1600:
1598:
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1569:
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1560:
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1374:
1369:
1367:
1362:
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1358:
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1340:
1331:
1327:
1326:
1316:
1312:
1308:
1304:
1300:
1298:0-89024-088-4
1294:
1290:
1285:
1273:
1269:
1265:
1261:
1249:
1245:
1241:
1237:
1236:
1221:
1217:
1213:
1207:
1192:
1188:
1184:
1177:
1162:
1158:
1157:
1152:
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1143:
1141:
1139:
1122:
1118:
1114:
1107:
1105:
1103:
1101:
1099:
1090:
1088:0-395-70112-0
1084:
1080:
1073:
1071:
1066:
1058:
1056:
1052:
1048:
1038:
1036:
1022:
1019:
1016:
1015:
1012:
1009:
1007:
1004:
1000:
997:
995:
992:
987:
984:
981:
980:
977:
975:
971:
966:
964:
959:
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937:
934:
931:
930:
926:
923:
921:
918:
913:
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905:
900:
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893:
890:
888:
884:
880:
875:
873:
869:
865:
856:
843:
840:
837:
836:
832:
828:
825:
823:
820:
815:
812:
810:
807:
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796:
790:
787:
785:
782:
778:
774:
771:
769:
766:
761:
758:
755:
754:
748:
745:
741:
737:
734:
733:
732:
729:
724:
722:
707:
705:
701:
696:
692:
691:turbo charged
688:
685:
681:
680:road switcher
677:
674:
670:
666:
662:
649:
648:United States
646:
642:
637:
633:
625:
623:
619:
615:
611:
607:
597:
595:Maximum speed
593:
588:
584:
577:
573:
570:
568:
564:
561:
558:
556:
552:
549:
546:
542:
538:
536:
535:Cylinder size
532:
526:
524:
520:
516:
512:
508:
504:
502:
498:
494:
492:
488:
484:
482:
478:
474:
470:
466:
461:
458:
454:
450:
447:
442:
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408:
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401:
397:
393:
390:
385:
382:
379:
377:
373:
367:
363:
359:
355:
351:
347:
343:
341:Fuel capacity
339:
333:
329:
311:
307:
289:
285:
281:
277:
273:
268:
264:
262:
261:Minimum curve
258:
254:
251:
247:
243:
237:1,435 mm
217:
215:
211:
207:
205:
202: •
200:
196:
191:
186:
182:
170:
164:
156:
152:
144:
140:
136:
133:
129:
126:
123:
119:
114:
110:
103:
98:
93:
84:
81:
73:
63:
59:
53:
52:
46:
41:
32:
31:
19:
1563:
1348:
1329:
1288:
1278:December 14,
1276:. Retrieved
1272:the original
1267:
1252:. Retrieved
1248:the original
1243:
1224:. Retrieved
1215:
1206:
1195:. Retrieved
1186:
1176:
1165:. Retrieved
1154:
1125:. Retrieved
1116:
1078:
1044:
1041:Preservation
1034:
1032:
967:
957:
955:
876:
863:
861:
831:BNSF Railway
725:
718:
663:is a 4-axle
660:
658:
609:Power output
572:Westinghouse
567:Train brakes
560:Straight air
544:Transmission
472:Displacement
465:Turbocharger
460:Roots blower
365:Sandbox cap.
357:Coolant cap.
76:
67:
48:
1564:(See also:
1458:GP30, GP30B
1212:"CSXT 1507"
791:#1600–1699
704:EMD SD45T-2
700:EMD SD40T-2
695:roots blown
612:1,500
527:12 (-1/AC)
434:Engine type
376:Prime mover
331:Loco weight
312:15 ft
290:10 ft
62:introducing
1581:Categories
1226:2024-03-15
1197:2024-03-15
1181:Craig, R.
1167:2024-03-05
1061:References
914:1500-1524
744:Blomberg B
740:Blomberg M
555:Loco brake
481:Alternator
456:Aspiration
154:Build date
121:Power type
70:March 2017
45:references
18:EMD GP15-1
1418:GP9, GP9B
1413:GP7, GP7B
1390:built by
1045:In 2021,
985:Quantity
982:Railroad
963:EMD GP15T
898:Quantity
895:Railroad
759:Quantity
756:Railroad
678:or light
667:built by
576:air brake
523:Cylinders
491:Generator
485:AR10 (AC)
171:310 (-1)
1403:BL1, BL2
1315:19959644
1307:88083625
1254:June 25,
1220:Archived
1191:Archived
1161:Archived
1127:3 August
1121:Archived
1117:TrainWeb
1029:Rebuilds
927:720-722
879:American
868:cylinder
721:American
687:EMD 645E
684:cylinder
676:switcher
661:EMD GP15
462:(-1/AC)
443:(-1/AC)
405:
392:8-645E3C
386:(-1/AC)
274:
233: in
197:
1528:GP40P-2
1483:GP38H-3
1448:GP22ECO
1386:4-axle
784:Conrail
515:Amperes
384:12-645E
321:⁄
299:⁄
270:Length:
228:⁄
175:34 (AC)
173:28 (T)
131:Builder
58:improve
1533:GP40TC
1518:GP40-2
1503:GP39-2
1493:GP39DC
1473:GP38AC
1408:BL20-2
1313:
1305:
1295:
1156:Trains
1085:
1017:Totals
988:Notes
958:GP15AC
944:GP15AC
932:Totals
901:Notes
838:Totals
762:Notes
715:GP15-1
644:Locale
639:Career
309:Height
250:Driver
149:GP15AC
145:GP15-1
47:, but
1523:GP40P
1513:GP40X
1498:GP39X
1443:GP20D
1428:GP15D
1035:GP15N
864:GP15T
850:GP15T
529:8 (T)
287:Width
214:Gauge
147:GP15T
142:Model
137:(EMD)
1548:GP59
1543:GP50
1538:GP49
1508:GP40
1488:GP39
1468:GP38
1463:GP35
1453:GP28
1438:GP20
1433:GP18
1311:OCLC
1303:LCCN
1293:ISBN
1280:2005
1256:2005
1129:2021
1083:ISBN
956:The
813:160
788:100
726:The
702:and
673:yard
659:The
574:26L
513:920
252:dia.
1392:EMD
1053:in
1047:CSX
998:30
974:IFE
911:25
841:310
826:25
772:25
467:(T)
451:(T)
438:V12
429:904
421:300
413:235
400:RPM
394:(T)
389:EMD
381:EMD
208:B-B
204:AAR
1583::
1309:.
1301:.
1266:.
1242:.
1218:.
1214:.
1189:.
1185:.
1159:.
1153:.
1137:^
1119:.
1115:.
1097:^
1069:^
1020:34
1010:4
976:.
935:28
924:3
872:hp
614:hp
446:V8
239:)
1568:)
1379:e
1372:t
1365:v
1317:.
1282:.
1258:.
1229:.
1200:.
1170:.
1131:.
1091:.
402::
323:2
319:1
316:+
314:2
301:8
297:1
294:+
292:3
235:(
230:2
226:1
223:+
221:8
83:)
77:(
72:)
68:(
54:.
20:)
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