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Diesel Diagrams
Diesel-Electric Locomotive diagrams from the Northern Pacific Railway Mechanical Department.  Switch to Detail View and click Filter to locate a specific diagram quickly.

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Alco HH-660 600-602.jpg
Alco HH-660 600-602
Alco HH-660 600-6021000 x 41799 KB
Alco RS-1 800-802.jpg
Alco RS-1 800-802
Alco RS-1 800-8021000 x 408111 KB
Alco RS-1 803.jpg
Alco RS-1 803
Alco RS-1 8031000 x 404101 KB
Alco RS-11 900-905.jpg
Alco RS-11 900-905
Alco RS-11 900-9051000 x 408108 KB
Alco RS-11 906-911.jpg
Alco RS-11 906-911
Alco RS-11 906-9111000 x 395107 KB
Alco RS-11 912-917.jpg
Alco RS-11 912-917
Alco RS-11 912-9171000 x 415117 KB
Alco RS-3 850-860.jpg
Alco RS-3 850-860
Alco RS-3 850-8601000 x 410127 KB
Alco RS-3 861-863.jpg
Alco RS-3 861-863
Alco RS-3 861-8631000 x 39599 KB
Alco S-1 603.jpg
Alco S-1 603
Alco S-1 6031000 x 408100 KB
Alco S-2 700-710.jpg
Alco S-2 700-710
Alco S-2 700-7101000 x 39595 KB
Alco S-2 711-712.jpg
Alco S-2 711-712
Alco S-2 711-7121000 x 415100 KB
Alco S-4 713-719.jpg
Alco S-4 713-719
Alco S-4 713-7191000 x 407108 KB
Alco S-4 720-724.jpg
Alco S-4 720-724
Alco S-4 720-7241000 x 397104 KB
Alco S-6 750.jpg
Alco S-6 750
Alco S-6 7501000 x 414101 KB
Alco VO-660 650-652.jpg
Alco VO-660 650-652
Alco VO-660 650-6521000 x 39798 KB
BLW DRS 4-4-15 500.jpg
BLW DRS 4-4-15 500
BLW DRS 4-4-15 5001000 x 400112 KB
BLW DRS 4-4-15 501.jpg
BLW DRS 4-4-15 501
BLW DRS 4-4-15 5011000 x 410110 KB
BLW DRS 6-6-15 525.jpg
BLW DRS 6-6-15 525
BLW DRS 6-6-15 5251000 x 396109 KB
BLW VO-1000 400-401.jpg
BLW VO-1000 400-401
BLW VO-1000 400-4011000 x 392101 KB
BLW VO-1000 402.jpg
BLW VO-1000 402
BLW VO-1000 4021000 x 403109 KB
BLW VO-1000 403.jpg
BLW VO-1000 403
BLW VO-1000 4031000 x 397101 KB
BLW VO-1000 404.jpg
BLW VO-1000 404
BLW VO-1000 4041000 x 417104 KB
BLW VO-1000 405 407.jpg
BLW VO-1000 405 407
BLW VO-1000 405 4071000 x 410118 KB
BLW VO-1000 408-411.jpg
BLW VO-1000 408-411
BLW VO-1000 408-4111000 x 408106 KB
BLW VO-1000 412.jpg
BLW VO-1000 412
BLW VO-1000 4121000 x 413105 KB
BLW VO-1000 413-427.jpg
BLW VO-1000 413-427
BLW VO-1000 413-4271000 x 410110 KB
Electric Trailer ET-1 ET-2 72.jpg
Electric Trailer ET-1 ET-2 72
Electric Trailer ET-1 ET-2 721000 x 41999 KB
Electric Trailer ET-3 73.jpg
Electric Trailer ET-3 73
Electric Trailer ET-3 731000 x 39277 KB
EMD F-3 Freight 6000A-6020D 43.jpg
EMD F-3 Freight 6000A-6020D 43
EMD F-3 Freight 6000A-6020D1000 x 396104 KB
EMD F-3 Freight 6000B-6005C Mx 45.jpg
EMD F-3 Freight 6000B-6005C Mx 45
EMD F-3 Freight 6000B-6005C1000 x 394109 KB
EMD F-3 Freight 6007B 6009B 51.jpg
EMD F-3 Freight 6007B 6009B 51
EMD F-3 Freight 6007B 6009B1000 x 404109 KB
EMD F-3 Pass 6502A-6503A 50.jpg
EMD F-3 Pass 6502A-6503A 50
EMD F-3 Pass 6502A-6503A1000 x 409111 KB
EMD F-5 Freight 6006A 52.jpg
EMD F-5 Freight 6006A 52
EMD F-5 Freight 6006A1000 x 412110 KB
EMD F-5 Freight 6051A-6052A 6005A 44.jpg
EMD F-5 Freight 6051A-6052A 6005A 44
EMD F-5 Freight 6051A-6052A 6005A1000 x 41096 KB
EMD F-7 Freight 6007A-6020D Mx 46.jpg
EMD F-7 Freight 6007A-6020D Mx 46
EMD F-7 Freight 6007A-6020D1000 x 413111 KB
EMD F-7 Freight 6007B-6020C 6050B 47.jpg
EMD F-7 Freight 6007B-6020C 6050B 47
EMD F-7 Freight 6007B-6020C 6050B1000 x 395110 KB
EMD F-7 Pass 6502A-6513C Mx 53.jpg
EMD F-7 Pass 6502A-6513C Mx 53
EMD F-7 Pass 6502A-6513C1000 x 388113 KB
EMD F-7 Pass 6510B-6513B Mx 54.jpg
EMD F-7 Pass 6510B-6513B Mx 54
EMD F-7 Pass 6510B-6513B1000 x 409119 KB
EMD F-7 Pass 6601A-6602A 55.jpg
EMD F-7 Pass 6601A-6602A 55
EMD F-7 Pass 6601A-6602A1000 x 389103 KB
EMD F-9 Freight 7000A-7006B 61.jpg
EMD F-9 Freight 7000A-7006B 61
EMD F-9 Freight 7000A-7006B1000 x 408112 KB
EMD F-9 Freight 7000B-7006B 62.jpg
EMD F-9 Freight 7000B-7006B 62
EMD F-9 Freight 7000B-7006B1000 x 396113 KB
EMD F-9 Freight 7008B-7009C 64.jpg
EMD F-9 Freight 7008B-7009C 64
EMD F-9 Freight 7008B-7009C1000 x 414105 KB
EMD F-9 Freight 7008D-7009D 63.jpg
EMD F-9 Freight 7008D-7009D 63
EMD F-9 Freight 7008D-7009D1000 x 403109 KB
EMD F-9 Freight 7010A-7014D 65.jpg
EMD F-9 Freight 7010A-7014D 65
EMD F-9 Freight 7010A-7014D1000 x 392135 KB
EMD F-9 Freight 7011B-7013C 66.jpg
EMD F-9 Freight 7011B-7013C 66
EMD F-9 Freight 7011B-7013C1000 x 402148 KB
EMD F-9 Freight 7050A-7052A 67.jpg
EMD F-9 Freight 7050A-7052A 67
EMD F-9 Freight 7050A-7052A1000 x 389107 KB
EMD F-9 Pass 6700A-6707C 57.jpg
EMD F-9 Pass 6700A-6707C 57
EMD F-9 Pass 6700A-6707C1000 x 397111 KB
EMD F-9 Pass 6700B-6710B 58.jpg
EMD F-9 Pass 6700B-6710B 58
EMD F-9 Pass 6700B-6710B1000 x 392106 KB
EMD FT 5400A-5410D.jpg
EMD FT 5400A-5410D
EMD FT 5400A-5410D1000 x 405118 KB
EMD GP-18 376-384.jpg
EMD GP-18 376-384
EMD GP-18 376-3841000 x 416125 KB
EMD GP-7 550-551.jpg
EMD GP-7 550-551
EMD GP-7 550-5511000 x 401122 KB
EMD GP-7 552-555.jpg
EMD GP-7 552-555
EMD GP-7 552-5551000 x 398119 KB
EMD GP-7 556.jpg
EMD GP-7 556
EMD GP-7 5561000 x 406111 KB
EMD GP-7 557-558.jpg
EMD GP-7 557-558
EMD GP-7 557-5581000 x 405107 KB
EMD GP-7 559.jpg
EMD GP-7 559
EMD GP-7 5591000 x 406113 KB
EMD GP-7 560-563.jpg
EMD GP-7 560-563
EMD GP-7 560-5631000 x 412112 KB
EMD GP-7 564-568.jpg
EMD GP-7 564-568
EMD GP-7 564-5681000 x 408109 KB
EMD GP-7 569.jpg
EMD GP-7 569
EMD GP-7 5691000 x 403109 KB
EMD GP-9 200-213.jpg
EMD GP-9 200-213
EMD GP-9 200-2131000 x 417133 KB
EMD GP-9 214-240.jpg
EMD GP-9 214-240
EMD GP-9 214-2401000 x 398158 KB
EMD GP-9 241-242.jpg
EMD GP-9 241-242
EMD GP-9 241-2421000 x 404126 KB
EMD GP-9 243.jpg
EMD GP-9 243
EMD GP-9 2431000 x 393140 KB
EMD GP-9 244-245.jpg
EMD GP-9 244-245
EMD GP-9 244-2451000 x 412123 KB
EMD GP-9 246-259.jpg
EMD GP-9 246-259
EMD GP-9 246-2591000 x 396116 KB
EMD GP-9 260.jpg
EMD GP-9 260
EMD GP-9 2601000 x 406151 KB
EMD GP-9 261-262 264-266 268.jpg
EMD GP-9 261-262 264-266 268
EMD GP-9 261-262 264-266 2681000 x 398169 KB
EMD GP-9 263 267.jpg
EMD GP-9 263 267
EMD GP-9 263 2671000 x 402138 KB
EMD GP-9 269-274.jpg
EMD GP-9 269-274
EMD GP-9 269-2741000 x 403115 KB
EMD GP-9 275-284.jpg
EMD GP-9 275-284
EMD GP-9 275-2841000 x 415116 KB
EMD GP-9 285-316.jpg
EMD GP-9 285-316
EMD GP-9 285-3161000 x 402132 KB
EMD GP-9 317-344.jpg
EMD GP-9 317-344
EMD GP-9 317-3441000 x 412124 KB
EMD GP-9 345-350.jpg
EMD GP-9 345-350
EMD GP-9 345-3501000 x 406120 KB
EMD GP-9 351-357.jpg
EMD GP-9 351-357
EMD GP-9 351-3571000 x 409135 KB
EMD GP-9 358-375.jpg
EMD GP-9 358-375
EMD GP-9 358-3751000 x 401133 KB
EMD NW 100.jpg
EMD NW 100
EMD NW 1001000 x 403119 KB
EMD NW-2 101-103.jpg
EMD NW-2 101-103
EMD NW-2 101-1031000 x 396122 KB
EMD NW-2 104-106.jpg
EMD NW-2 104-106
EMD NW-2 104-1061000 x 411121 KB
EMD NW-2 99.jpg
EMD NW-2 99
EMD NW-2 991000 x 396109 KB
EMD SD-45 3600-3629.jpg
EMD SD-45 3600-3629
EMD SD-45 3600-36291000 x 381102 KB
EMD SW-1200 119-129.jpg
EMD SW-1200 119-129
EMD SW-1200 119-1291000 x 395119 KB
EMD SW-1200 130.jpg
EMD SW-1200 130
EMD SW-1200 1301000 x 40888 KB
EMD SW-1200 131-132.jpg
EMD SW-1200 131-132
EMD SW-1200 131-1321000 x 40988 KB
EMD SW-1200 133-134.jpg
EMD SW-1200 133-134
EMD SW-1200 133-1341000 x 40486 KB
EMD SW-1200 135-140.jpg
EMD SW-1200 135-140
EMD SW-1200 135-1401000 x 39394 KB
EMD SW-1200 141-145.jpg
EMD SW-1200 141-145
EMD SW-1200 141-1451000 x 40786 KB
EMD SW-1200 146.jpg
EMD SW-1200 146
EMD SW-1200 1461000 x 395119 KB
EMD SW-1200 147-148.jpg
EMD SW-1200 147-148
EMD SW-1200 147-1481000 x 397111 KB
EMD SW-1200 149-150.jpg
EMD SW-1200 149-150
EMD SW-1200 149-1501000 x 393117 KB
EMD SW-1200 151-162.jpg
EMD SW-1200 151-162
EMD SW-1200 151-1621000 x 391140 KB
EMD SW-1200 163-177.jpg
EMD SW-1200 163-177
EMD SW-1200 163-1771000 x 398111 KB
EMD SW-7 107-114.jpg
EMD SW-7 107-114
EMD SW-7 107-1141000 x 385132 KB
EMD SW-9 115-118.jpg
EMD SW-9 115-118
EMD SW-9 115-1181000 x 407184 KB
GE U25C 2500-2529.jpg
GE U25C 2500-2529
GE U25C 2500-25291000 x 391110 KB
GE U28C 2800-2811.jpg
GE U28C 2800-2811
GE U28C 2800-28111000 x 402107 KB