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Diagrams from the Northern Pacific Railway Mechanical Department.  Click an image to see the full size view.

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Class A Diagram 1949.jpg1000 x 379
Class A Diagram 1949
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Class A-1 Diagram 1949.jpg1000 x 478
Class A-1 Diagram 1949
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Class A-2 Diagram 1949.jpg1000 x 506
Class A-2 Diagram 1949
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Class A-3 Diagram 1949.jpg1000 x 505
Class A-3 Diagram 1949
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Class A-4 Diagram 1949.jpg1000 x 503
Class A-4 Diagram 1949
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Class A-5 Diagram 1949.jpg1000 x 490
Class A-5 Diagram 1949
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Class B Diagram 1900.jpg1000 x 453
Class B Diagram 1900
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Class B-1 Diagram 1900.jpg1000 x 471
Class B-1 Diagram 1900
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Class B-2 Diagram 1913.jpg1000 x 464
Class B-2 Diagram 1913
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Class B-3 Diagram 1913.jpg1000 x 489
Class B-3 Diagram 1913
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Class C-01 Diagram 1900.jpg1000 x 488
Class C-01 Diagram 1900
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Class C-02 Diagram 1900.jpg1000 x 498
Class C-02 Diagram 1900
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Class C-03 Diagram 1913.jpg1000 x 511
Class C-03 Diagram 1913
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Class C-04 Diagram 1900.jpg1000 x 474
Class C-04 Diagram 1900
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Class C-05 Diagram 1900.jpg1000 x 488
Class C-05 Diagram 1900
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Class C-06 Diagram 1900.jpg1000 x 493
Class C-06 Diagram 1900
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Class C-07 Diagram 1900.jpg1000 x 493
Class C-07 Diagram 1900
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Class C-08 Diagram 1900.jpg1000 x 491
Class C-08 Diagram 1900
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Class C-09 Diagram 1900.jpg1000 x 497
Class C-09 Diagram 1900
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Class C-10 Diagram 1900.jpg1000 x 494
Class C-10 Diagram 1900
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Class C-11 Diagram.jpg1000 x 487
Class C-11 Diagram
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Class C-12 Diagram 1900.jpg1000 x 485
Class C-12 Diagram 1900
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Class C-14 Diagram 1900.jpg1000 x 500
Class C-14 Diagram 1900
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Class C-15 Diagram.jpg1000 x 481
Class C-15 Diagram
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Class C-16 Diagram.jpg1000 x 490
Class C-16 Diagram
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Class C-17 Diagram.jpg1000 x 487
Class C-17 Diagram
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Class C-18 Diagram.jpg1000 x 493
Class C-18 Diagram
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Class C-19 Diagram 1900.jpg1000 x 486
Class C-19 Diagram 1900
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Class C-20 Diagram 1900.jpg1000 x 484
Class C-20 Diagram 1900
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Class C-21 Diagram 1900.jpg1000 x 492
Class C-21 Diagram 1900
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Class C-22 Diagram 1900.jpg1000 x 493
Class C-22 Diagram 1900
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Class C-23 Diagram 1900.jpg1000 x 492
Class C-23 Diagram 1900
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Class C-24 Diagram.jpg1000 x 478
Class C-24 Diagram
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Class C-25 Diagram.jpg1000 x 502
Class C-25 Diagram
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Class C-26 Diagram.jpg1000 x 504
Class C-26 Diagram
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Class C-27 Diagram.jpg1000 x 515
Class C-27 Diagram
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Class C-28 Diagram.jpg1000 x 501
Class C-28 Diagram
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Class C-29A Diagram.jpg1000 x 499
Class C-29A Diagram
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Class C-29B Diagram.jpg1000 x 501
Class C-29B Diagram
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Class C-30 Diagram.jpg1000 x 491
Class C-30 Diagram
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Class C-31 Diagram.jpg1000 x 484
Class C-31 Diagram
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Class D-00 Diagram 1900.jpg1000 x 475
Class D-00 Diagram 1900
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Class D-01 Diagram 1900.jpg1000 x 488
Class D-01 Diagram 1900
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Class D-02 Diagram 1900.jpg1000 x 492
Class D-02 Diagram 1900
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Class D-03 Diagram 1900.jpg1000 x 498
Class D-03 Diagram 1900
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Class D-05C Diagram 1900.jpg1000 x 486
Class D-05C Diagram 1900
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Class D-05s Diagram 1900.jpg1000 x 491
Class D-05s Diagram 1900
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Class D-06 Diagram 1900.jpg1000 x 499
Class D-06 Diagram 1900
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Class D-08 Diagram.jpg1000 x 464
Class D-08 Diagram
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Class D-09c Diagram.jpg1000 x 494
Class D-09c Diagram
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Class D-09s Diagram.jpg1000 x 472
Class D-09s Diagram
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Class D-10 Diagram.jpg1000 x 468
Class D-10 Diagram
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Class E-0 Diagram 1900.jpg1000 x 474
Class E-0 Diagram 1900
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Class E-1 Diagram 1900.jpg1000 x 476
Class E-1 Diagram 1900
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Class E-2 Diagram 1900.jpg1000 x 471
Class E-2 Diagram 1900
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Class E-3 Diagram 1913.jpg1000 x 497
Class E-3 Diagram 1913
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Class E-4 Diagram 1900.jpg1000 x 482
Class E-4 Diagram 1900
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Class E-5 Diagram 1900.jpg1000 x 472
Class E-5 Diagram 1900
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Class E-6 Diagram 1900.jpg1000 x 478
Class E-6 Diagram 1900
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Class E-7 Diagram 1913.jpg1000 x 473
Class E-7 Diagram 1913
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Class F-1 Diagram 1913.jpg1000 x 488
Class F-1 Diagram 1913
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Class F-2 Road Diagram 1900.jpg1000 x 471
Class F-2 Road Diagram 1900
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Class F-2 Switch Diagram 1913.jpg1000 x 773
Class F-2 Switch Diagram 1913
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Class F-3 Consolidation Diagram.jpg1000 x 497
Class F-3 Consolidation Diagram
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Class F-4 Consolidation Diagram.jpg1000 x 493
Class F-4 Consolidation Diagram
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Class F-5 Consolidation Diagram.jpg1000 x 487
Class F-5 Consolidation Diagram
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Class F-5s Switch Diagram.jpg1000 x 497
Class F-5s Switch Diagram
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Class F-6 Consolidation Diagram 1900.jpg1000 x 478
Class F-6 Consolidation Diagram 1900
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Class F-6 Consolidation Diagram.jpg1000 x 495
Class F-6 Consolidation Diagram
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Class F-6 Switch Diagram 1900.jpg1000 x 492
Class F-6 Switch Diagram 1900
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Class F7 Consolidation Diagram 1900.jpg1000 x 486
Class F7 Consolidation Diagram 1900
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Class G Diagram 1913.jpg1000 x 489
Class G Diagram 1913
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Class G-1 Diagram 1949.jpg1000 x 530
Class G-1 Diagram 1949
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Class G-2 Diagram 1949.jpg1000 x 522
Class G-2 Diagram 1949
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Class H Switch Diagram 1900.jpg1000 x 468
Class H Switch Diagram 1900
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Class H-1 Switch Diagram 1900.jpg1000 x 471
Class H-1 Switch Diagram 1900
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Class H-1 Switch Diagram 1913.jpg1000 x 489
Class H-1 Switch Diagram 1913
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Class H-2 Switch Diagram 1900.jpg1000 x 476
Class H-2 Switch Diagram 1900
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Class H-2 Switch Diagram 1913.jpg1000 x 490
Class H-2 Switch Diagram 1913
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Class I Diagram.jpg1000 x 524
Class I Diagram
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Class I-1 Diagram.jpg1000 x 513
Class I-1 Diagram
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Class I-2 Diagram.jpg1000 x 506
Class I-2 Diagram
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Class K Diagram.jpg1000 x 487
Class K Diagram
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Class K-1 Diagram.jpg1000 x 524
Class K-1 Diagram
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Class K-2 Diagram.jpg1000 x 528
Class K-2 Diagram
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Class L-00 Diagram.jpg1000 x 497
Class L-00 Diagram
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Class L-01 Diagram.jpg1000 x 494
Class L-01 Diagram
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Class L-02 Diagram.jpg1000 x 497
Class L-02 Diagram
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Class L-03 Diagram.jpg1000 x 512
Class L-03 Diagram
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Class L-04 Diagram.jpg1000 x 496
Class L-04 Diagram
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Class L-05 Diagram 1913.jpg1000 x 547
Class L-05 Diagram 1913
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Class L-06 Diagram 1949.jpg1000 x 470
Class L-06 Diagram 1949
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Class L-07 Diagram 1913.jpg1000 x 499
Class L-07 Diagram 1913
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Class L-08 Diagram.jpg1000 x 485
Class L-08 Diagram
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Class L-09 Diagram 1913.jpg1000 x 488
Class L-09 Diagram 1913
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Class L-10 Diagram 1913.jpg1000 x 497
Class L-10 Diagram 1913
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Class M Diagram.jpg1000 x 513
Class M Diagram
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Class N Diagram.jpg1000 x 504
Class N Diagram
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Class N-1 Diagram.jpg1000 x 505
Class N-1 Diagram
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Class P Comp Diagram.jpg1000 x 498
Class P Comp Diagram
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Class P Simple A Diagram.jpg1000 x 483
Class P Simple A Diagram
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Class P Simple B Diagram.jpg1000 x 448
Class P Simple B Diagram
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Class P-1 Compound Diagram.jpg1000 x 469
Class P-1 Compound Diagram
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Class P-1 Simple Diagram.jpg1000 x 480
Class P-1 Simple Diagram
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Class P-2 Comp Diagram.jpg1000 x 469
Class P-2 Comp Diagram
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Class P-2 Simple Diagram.jpg1000 x 501
Class P-2 Simple Diagram
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Class P-3 Diagram.jpg1000 x 509
Class P-3 Diagram
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Class Q-0 Diagram 1913.jpg1000 x 480
Class Q-0 Diagram 1913
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Class Q-1A Diagram 1913.jpg1000 x 483
Class Q-1A Diagram 1913
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Class Q-1B Diagram 1913.jpg1000 x 489
Class Q-1B Diagram 1913
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Class Q-2 Diagram.jpg1000 x 510
Class Q-2 Diagram
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Class Q-3A Diagram 1913.jpg1000 x 486
Class Q-3A Diagram 1913
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Class Q-3B Diagram 1913.jpg1000 x 477
Class Q-3B Diagram 1913
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Class Q-4A Diagram 1913.jpg1000 x 478
Class Q-4A Diagram 1913
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Class Q-4B Diagram 1913.jpg1000 x 476
Class Q-4B Diagram 1913
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Class Q-5 Diagram 1949.jpg1000 x 535
Class Q-5 Diagram 1949
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Class Q-6 Diagram 1949.jpg1000 x 498
Class Q-6 Diagram 1949
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Class R Compound Diagram.jpg1000 x 494
Class R Compound Diagram
108 KB 6/16/2018 8:36 AM
Class S-00 Compound Diagram.jpg1000 x 471
Class S-00 Compound Diagram
109 KB 6/16/2018 8:36 AM
Class S-01 Compound Diagram.jpg1000 x 501
Class S-01 Compound Diagram
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Class S-02 Compound Diagram.jpg1000 x 496
Class S-02 Compound Diagram
96 KB 6/16/2018 8:36 AM
Class S-03 Compound Diagram.jpg1000 x 509
Class S-03 Compound Diagram
125 KB 6/16/2018 8:36 AM
Class S-04c Diagram 1900.jpg1000 x 472
Class S-04c Diagram 1900
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Class S-04s Diagram 1949.jpg1000 x 487
Class S-04s Diagram 1949
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Class S-10 Diagram 1913.jpg1000 x 477
Class S-10 Diagram 1913
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Class S-11 Diagram.jpg1000 x 504
Class S-11 Diagram
96 KB 6/16/2018 8:36 AM
Class T Diagram 1913.jpg1000 x 513
Class T Diagram 1913
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Class T-1 Diagram 1949.jpg1000 x 497
Class T-1 Diagram 1949
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Class V-2 Diagram.jpg1000 x 494
Class V-2 Diagram
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Class W-0 Compound Diagram.jpg1000 x 494
Class W-0 Compound Diagram
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Class W-0A Diagram 1913.jpg1000 x 513
Class W-0A Diagram 1913
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Class W-0B Diagram 1913.jpg1000 x 499
Class W-0B Diagram 1913
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Class W-1 Diagram 1913.jpg1000 x 504
Class W-1 Diagram 1913
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Class W-2A Diagram 1913.jpg1000 x 516
Class W-2A Diagram 1913
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Class W-2B Diagram 1913.jpg1000 x 486
Class W-2B Diagram 1913
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Class W-3A Diagram 1949.jpg1000 x 445
Class W-3A Diagram 1949
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Class W-3B Diagram 1949.jpg1000 x 518
Class W-3B Diagram 1949
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Class W-3C Diagram 1949.jpg1000 x 523
Class W-3C Diagram 1949
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Class W-3D Diagram 1949.jpg1000 x 517
Class W-3D Diagram 1949
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Class W-4 Diagram 1949.jpg1000 x 508
Class W-4 Diagram 1949
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Class W-5 Diagram 1949.jpg1000 x 507
Class W-5 Diagram 1949
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Class X Compound Diagram.jpg1000 x 449
Class X Compound Diagram
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Class Y Compound Diagram.jpg1000 x 487
Class Y Compound Diagram
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Class Y-0 Diagram.jpg1000 x 449
Class Y-0 Diagram
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Class Y-1 Compound Diagram.jpg1000 x 487
Class Y-1 Compound Diagram
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Class Y-1 Diagram.jpg1000 x 452
Class Y-1 Diagram
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Class Y-1 Tandem Comp Diagram.jpg1000 x 452
Class Y-1 Tandem Comp Diagram
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Class Y-2 Tandem Comp Diagram.jpg1000 x 454
Class Y-2 Tandem Comp Diagram
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Class Y-3 Tandem Comp Diagram.jpg1000 x 445
Class Y-3 Tandem Comp Diagram
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Class Y-4A Diagram.jpg1000 x 499
Class Y-4A Diagram
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Class Y-4B Diagram.jpg1000 x 477
Class Y-4B Diagram
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Class Y-5 Diagram.jpg1000 x 438
Class Y-5 Diagram
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Class Z Diagram 1913.jpg1000 x 507
Class Z Diagram 1913
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Class Z-1 Diagram 1913.jpg1000 x 501
Class Z-1 Diagram 1913
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Class Z-2 Diagram 1913.jpg1000 x 505
Class Z-2 Diagram 1913
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Class Z-3 Diagram 1949.jpg1000 x 487
Class Z-3 Diagram 1949
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Class Z-4 Diagram 1949.jpg1000 x 527
Class Z-4 Diagram 1949
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Class Z-5 Alco Diagram 1949.jpg1000 x 487
Class Z-5 Alco Diagram 1949
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Class Z-5 BLW Diagram 1949.jpg1000 x 487
Class Z-5 BLW Diagram 1949
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Class Z-6 Diagram 1949.jpg1000 x 532
Class Z-6 Diagram 1949
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Class Z-7 Diagram 1949.jpg1000 x 462
Class Z-7 Diagram 1949
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Class Z-8 Diagram 1949.jpg1000 x 455
Class Z-8 Diagram 1949
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