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

  
Picture Size
  
  
Count= 162
Class A Diagram 19491000 x 37999 KB 6/18/2018 3:04 PM
Class A-1 Diagram 19491000 x 478133 KB 6/18/2018 3:04 PM
Class A-2 Diagram 19491000 x 506146 KB 11/28/2018 8:32 AM
Class A-3 Diagram 19491000 x 505179 KB 11/28/2018 8:32 AM
Class A-4 Diagram 19491000 x 503158 KB 11/28/2018 8:32 AM
Class A-5 Diagram 19491000 x 490149 KB 11/28/2018 8:32 AM
Class B Diagram 19001000 x 45381 KB 11/28/2018 8:32 AM
Class B-1 Diagram 19001000 x 47193 KB 11/28/2018 8:32 AM
Class B-2 Diagram 19131000 x 46460 KB 11/28/2018 8:32 AM
Class B-3 Diagram 19131000 x 48979 KB 11/28/2018 8:32 AM
Class C-01 Diagram 19001000 x 48882 KB 3/31/2018 5:54 PM
Class C-02 Diagram 19001000 x 49884 KB 3/31/2018 6:01 PM
Class C-03 Diagram 19131000 x 51193 KB 3/31/2018 5:54 PM
Class C-04 Diagram 19001000 x 47481 KB 3/31/2018 5:54 PM
Class C-05 Diagram 19001000 x 48888 KB 3/31/2018 5:54 PM
Class C-06 Diagram 19001000 x 49383 KB 3/31/2018 5:54 PM
Class C-07 Diagram 19001000 x 49387 KB 4/1/2018 5:31 PM
Class C-08 Diagram 19001000 x 49183 KB 4/1/2018 5:31 PM
Class C-09 Diagram 19001000 x 49788 KB 4/1/2018 5:31 PM
Class C-10 Diagram 19001000 x 49476 KB 4/1/2018 5:31 PM
Class C-11 Diagram1000 x 487105 KB 6/17/2018 1:20 PM
Class C-12 Diagram 19001000 x 48580 KB 4/1/2018 5:31 PM
Class C-14 Diagram 19001000 x 50095 KB 4/1/2018 5:31 PM
Class C-15 Diagram1000 x 481113 KB 6/17/2018 1:20 PM
Class C-16 Diagram1000 x 490112 KB 6/17/2018 1:20 PM
Class C-17 Diagram1000 x 487110 KB 6/17/2018 1:20 PM
Class C-18 Diagram1000 x 493112 KB 6/17/2018 1:20 PM
Class C-19 Diagram 19001000 x 48682 KB 4/10/2018 5:12 PM
Class C-20 Diagram 19001000 x 48485 KB 4/10/2018 5:12 PM
Class C-21 Diagram 19001000 x 49281 KB 4/10/2018 5:12 PM
Class C-22 Diagram 19001000 x 49379 KB 4/10/2018 5:13 PM
Class C-23 Diagram 19001000 x 49274 KB 4/10/2018 5:13 PM
Class C-24 Diagram1000 x 478107 KB 6/17/2018 1:21 PM
Class C-25 Diagram1000 x 502104 KB 6/17/2018 1:21 PM
Class C-26 Diagram1000 x 504105 KB 6/17/2018 1:21 PM
Class C-27 Diagram1000 x 515113 KB 6/17/2018 1:21 PM
Class C-28 Diagram1000 x 501105 KB 6/17/2018 1:21 PM
Class C-29A Diagram1000 x 499109 KB 6/17/2018 1:21 PM
Class C-29B Diagram1000 x 501106 KB 6/17/2018 1:22 PM
Class C-30 Diagram1000 x 49192 KB 6/17/2018 1:22 PM
Class C-31 Diagram1000 x 48487 KB 6/17/2018 1:22 PM
Class D-00 Diagram 19001000 x 47569 KB 5/19/2018 11:06 AM
Class D-01 Diagram 19001000 x 48871 KB 5/19/2018 11:06 AM
Class D-02 Diagram 19001000 x 49271 KB 5/19/2018 11:06 AM
Class D-03 Diagram 19001000 x 49873 KB 5/19/2018 11:06 AM
Class D-05C Diagram 19001000 x 48675 KB 5/19/2018 11:06 AM
Class D-05s Diagram 19001000 x 49169 KB 5/19/2018 11:06 AM
Class D-06 Diagram 19001000 x 49969 KB 5/19/2018 11:06 AM
Class D-08 Diagram1000 x 46499 KB 6/17/2018 1:22 PM
Class D-09c Diagram1000 x 494112 KB 6/17/2018 1:22 PM
Class D-09s Diagram1000 x 472114 KB 6/17/2018 1:22 PM
Class D-10 Diagram1000 x 46878 KB 6/17/2018 1:23 PM
Class E-0 Diagram 19001000 x 47471 KB 5/23/2018 6:30 AM
Class E-1 Diagram 19001000 x 47665 KB 5/23/2018 6:30 AM
Class E-2 Diagram 19001000 x 47165 KB 5/23/2018 6:30 AM
Class E-3 Diagram 19131000 x 49768 KB 5/23/2018 6:30 AM
Class E-4 Diagram 19001000 x 48268 KB 5/23/2018 6:30 AM
Class E-5 Diagram 19001000 x 47265 KB 5/23/2018 6:30 AM
Class E-6 Diagram 19001000 x 47850 KB 6/18/2018 3:04 PM
Class E-7 Diagram 19131000 x 47355 KB 5/23/2018 6:30 AM
Class F-1 Diagram 19131000 x 488105 KB 1/26/2009 10:51 AM
Class F-2 Road Diagram 19001000 x 47163 KB 5/23/2018 6:30 AM
Class F-2 Switch Diagram 19131000 x 77362 KB 5/23/2018 6:30 AM
Class F-3 Consolidation Diagram1000 x 49791 KB 6/17/2018 1:23 PM
Class F-4 Consolidation Diagram1000 x 49396 KB 6/17/2018 1:23 PM
Class F-5 Consolidation Diagram1000 x 48778 KB 6/17/2018 1:23 PM
Class F-5s Switch Diagram1000 x 49796 KB 6/17/2018 1:23 PM
Class F-6 Consolidation Diagram 19001000 x 47852 KB 6/18/2018 3:04 PM
Class F-6 Consolidation Diagram1000 x 49595 KB 6/17/2018 1:24 PM
Class F-6 Switch Diagram 19001000 x 49268 KB 6/18/2018 3:04 PM
Class F7 Consolidation Diagram 19001000 x 48660 KB 6/18/2018 3:04 PM
Class G Diagram 19131000 x 48973 KB 6/18/2018 3:04 PM
Class G-1 Diagram 19491000 x 53088 KB 6/18/2018 3:04 PM
Class G-2 Diagram 19491000 x 522106 KB 6/18/2018 3:04 PM
Class H Switch Diagram 19001000 x 46865 KB 6/18/2018 3:05 PM
Class H-1 Switch Diagram 19001000 x 47165 KB 6/18/2018 3:05 PM
Class H-1 Switch Diagram 19131000 x 48981 KB 6/18/2018 3:05 PM
Class H-2 Switch Diagram 19001000 x 47661 KB 6/18/2018 3:05 PM
Class H-2 Switch Diagram 19131000 x 49069 KB 6/18/2018 3:04 PM
Class I Diagram1000 x 52492 KB 6/17/2018 1:13 PM
Class I-1 Diagram1000 x 51373 KB 6/17/2018 1:13 PM
Class I-2 Diagram1000 x 50684 KB 6/17/2018 1:13 PM
Class K Diagram1000 x 48796 KB 6/17/2018 1:14 PM
Class K-1 Diagram1000 x 52496 KB 6/17/2018 1:14 PM
Class K-2 Diagram1000 x 52895 KB 6/17/2018 1:14 PM
Class L-00 Diagram1000 x 49775 KB 6/17/2018 1:14 PM
Class L-01 Diagram1000 x 49494 KB 6/17/2018 1:14 PM
Class L-02 Diagram1000 x 49788 KB 6/17/2018 1:14 PM
Class L-03 Diagram1000 x 51290 KB 6/17/2018 1:14 PM
Class L-04 Diagram1000 x 49675 KB 6/17/2018 1:14 PM
Class L-05 Diagram 19131000 x 547100 KB 2/15/2018 6:17 PM
Class L-06 Diagram 19491000 x 47083 KB 6/17/2018 1:12 PM
Class L-07 Diagram 19131000 x 49968 KB 6/17/2018 1:12 PM
Class L-08 Diagram1000 x 48570 KB 6/17/2018 1:15 PM
Class L-09 Diagram 19131000 x 48867 KB 6/17/2018 1:12 PM
Class L-10 Diagram 19131000 x 49750 KB 6/17/2018 1:11 PM
Class M Diagram1000 x 513101 KB 6/17/2018 1:15 PM
Class N Diagram1000 x 50491 KB 6/17/2018 1:15 PM
Class N-1 Diagram1000 x 50589 KB 6/17/2018 1:15 PM
Class P Comp Diagram1000 x 498103 KB 6/17/2018 1:15 PM
Class P Simple A Diagram1000 x 483105 KB 6/17/2018 1:15 PM
Class P Simple B Diagram1000 x 44868 KB 6/17/2018 1:16 PM
Class P-1 Compound Diagram1000 x 46999 KB 6/17/2018 1:16 PM
Class P-1 Simple Diagram1000 x 480101 KB 6/17/2018 1:16 PM
Class P-2 Comp Diagram1000 x 46995 KB 6/17/2018 1:16 PM
Class P-2 Simple Diagram1000 x 501123 KB 6/17/2018 1:16 PM
Class P-3 Diagram1000 x 50985 KB 6/17/2018 1:16 PM
Class Q-0 Diagram 19131000 x 48070 KB 6/17/2018 1:11 PM
Class Q-1A Diagram 19131000 x 48378 KB 6/17/2018 1:11 PM
Class Q-1B Diagram 19131000 x 48987 KB 6/17/2018 1:11 PM
Class Q-2 Diagram1000 x 510113 KB 6/17/2018 9:36 AM
Class Q-3A Diagram 19131000 x 48687 KB 6/17/2018 1:11 PM
Class Q-3B Diagram 19131000 x 47773 KB 6/17/2018 1:11 PM
Class Q-4A Diagram 19131000 x 47882 KB 6/17/2018 1:11 PM
Class Q-4B Diagram 19131000 x 47673 KB 6/17/2018 1:11 PM
Class Q-5 Diagram 19491000 x 535172 KB 4/22/2005 5:30 AM
Class Q-6 Diagram 19491000 x 498113 KB 6/17/2018 1:11 PM
Class R Compound Diagram1000 x 494108 KB 6/17/2018 1:17 PM
Class S-00 Compound Diagram1000 x 471109 KB 6/17/2018 1:17 PM
Class S-01 Compound Diagram1000 x 50183 KB 6/17/2018 1:17 PM
Class S-02 Compound Diagram1000 x 49696 KB 6/17/2018 1:17 PM
Class S-03 Compound Diagram1000 x 509125 KB 6/17/2018 1:17 PM
Class S-04c Diagram 19001000 x 47264 KB 6/17/2018 1:11 PM
Class S-04s Diagram 19491000 x 48792 KB 6/17/2018 1:11 PM
Class S-10 Diagram 19131000 x 477126 KB 2/4/2018 6:46 AM
Class S-11 Diagram1000 x 50496 KB 6/17/2018 1:17 PM
Class T Diagram 19131000 x 51385 KB 6/17/2018 1:11 PM
Class T-1 Diagram 19491000 x 497101 KB 6/17/2018 1:11 PM
Class V-2 Diagram1000 x 49490 KB 6/17/2018 1:17 PM
Class W-0 Compound Diagram1000 x 494130 KB 6/17/2018 1:18 PM
Class W-0A Diagram 19131000 x 51374 KB 6/17/2018 1:11 PM
Class W-0B Diagram 19131000 x 49995 KB 6/17/2018 1:11 PM
Class W-1 Diagram 19131000 x 50468 KB 6/17/2018 1:11 PM
Class W-2A Diagram 19131000 x 51669 KB 5/19/2018 1:04 PM
Class W-2B Diagram 19131000 x 48666 KB 5/19/2018 1:04 PM
Class W-3A Diagram 19491000 x 44598 KB 5/19/2018 1:04 PM
Class W-3B Diagram 19491000 x 518112 KB 5/19/2018 1:04 PM
Class W-3C Diagram 19491000 x 523113 KB 5/19/2018 1:04 PM
Class W-3D Diagram 19491000 x 517112 KB 5/19/2018 1:04 PM
Class W-4 Diagram 19491000 x 508177 KB 5/13/2005 11:19 AM
Class W-5 Diagram 19491000 x 507116 KB 5/19/2018 1:04 PM
Class X Compound Diagram1000 x 44999 KB 6/17/2018 1:18 PM
Class Y Compound Diagram1000 x 48778 KB 6/17/2018 1:18 PM
Class Y-0 Diagram1000 x 44987 KB 6/17/2018 1:18 PM
Class Y-1 Compound Diagram1000 x 48785 KB 6/17/2018 1:18 PM
Class Y-1 Diagram1000 x 45289 KB 6/17/2018 1:19 PM
Class Y-1 Tandem Comp Diagram1000 x 45285 KB 6/17/2018 1:18 PM
Class Y-2 Tandem Comp Diagram1000 x 45495 KB 6/17/2018 1:19 PM
Class Y-3 Tandem Comp Diagram1000 x 44593 KB 6/17/2018 1:19 PM
Class Y-4A Diagram1000 x 499104 KB 6/17/2018 1:19 PM
Class Y-4B Diagram1000 x 477127 KB 6/17/2018 1:19 PM
Class Y-5 Diagram1000 x 43889 KB 6/17/2018 1:19 PM
Class Z Diagram 19131000 x 50796 KB 1/10/2004 10:39 AM
Class Z-1 Diagram 19131000 x 501104 KB 1/10/2004 10:39 AM
Class Z-2 Diagram 19131000 x 505100 KB 1/10/2004 10:39 AM
Class Z-3 Diagram 19491000 x 487165 KB 1/10/2004 10:39 AM
Class Z-4 Diagram 19491000 x 527147 KB 1/10/2004 10:39 AM
Class Z-5 Alco Diagram 19491000 x 487158 KB 1/10/2004 10:39 AM
Class Z-5 BLW Diagram 19491000 x 487141 KB 1/10/2004 10:39 AM
Class Z-6 Diagram 19491000 x 532175 KB 1/10/2004 10:39 AM
Class Z-7 Diagram 19491000 x 462120 KB 1/10/2004 10:39 AM
Class Z-8 Diagram 19491000 x 455127 KB 1/10/2004 10:39 AM