Skip Ribbon Commands
Skip to main content

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

Selection Checkbox
  
  
Picture Size
  
Class A Diagram 1949.jpg
Class A Diagram 1949
1000 x 489169 KB
Class A-1 Diagram 1949.jpg
Class A-1 Diagram 1949
1000 x 535190 KB
Class A-2 Diagram 1949.jpg
Class A-2 Diagram 1949
1000 x 506146 KB
Class A-3 Diagram 1949.jpg
Class A-3 Diagram 1949
1000 x 505179 KB
Class A-4 Diagram 1949.jpg
Class A-4 Diagram 1949
1000 x 503158 KB
Class A-5 Diagram 1949.jpg
Class A-5 Diagram 1949
1000 x 490149 KB
Class B Diagram 1900.jpg
Class B Diagram 1900
600 x 28239 KB
Class B-1 Diagram 1900.jpg
Class B-1 Diagram 1900
1000 x 47193 KB
Class B-2 Diagram 1913.jpg
Class B-2 Diagram 1913
600 x 28031 KB
Class B-3 Diagram 1913.jpg
Class B-3 Diagram 1913
600 x 28132 KB
Class C-1 Diagram 1900.jpg
Class C-1 Diagram 1900
600 x 29036 KB
Class C-10 Diagram 1900.jpg
Class C-10 Diagram 1900
600 x 29738 KB
Class C-12 Diagram 1900.jpg
Class C-12 Diagram 1900
600 x 29142 KB
Class C-14 Diagram 1900.jpg
Class C-14 Diagram 1900
600 x 29337 KB
Class C-19 Diagram 1900.jpg
Class C-19 Diagram 1900
600 x 28430 KB
Class C-2 Diagram 1900.jpg
Class C-2 Diagram 1900
600 x 30039 KB
Class C-20 Diagram 1900.jpg
Class C-20 Diagram 1900
600 x 28731 KB
Class C-21 Diagram 1900.jpg
Class C-21 Diagram 1900
600 x 29338 KB
Class C-22 Diagram 1900.jpg
Class C-22 Diagram 1900
600 x 28633 KB
Class C-23 Diagram 1900.jpg
Class C-23 Diagram 1900
600 x 30235 KB
Class C-3 Diagram 1913.jpg
Class C-3 Diagram 1913
600 x 30035 KB
Class C-4 Diagram 1900.jpg
Class C-4 Diagram 1900
600 x 28937 KB
Class C-5 Diagram 1900.jpg
Class C-5 Diagram 1900
600 x 29136 KB
Class C-6 Diagram 1900.jpg
Class C-6 Diagram 1900
600 x 28937 KB
Class C-7 Diagram 1900.jpg
Class C-7 Diagram 1900
600 x 29939 KB
Class C-8 Diagram 1900.jpg
Class C-8 Diagram 1900
600 x 29038 KB
Class C-9 Diagram 1900.jpg
Class C-9 Diagram 1900
600 x 29336 KB
Class D Diagram 1900.jpg
Class D Diagram 1900
600 x 28638 KB
Class D-1 Diagram 1900.jpg
Class D-1 Diagram 1900
600 x 29439 KB
Class D-2 Diagram 1900.jpg
Class D-2 Diagram 1900
600 x 29038 KB
Class D-3 Diagram 1900.jpg
Class D-3 Diagram 1900
600 x 28739 KB
Class D-5c Diagram 1900.jpg
Class D-5c Diagram 1900
600 x 29241 KB
Class D-5s Diagram 1900.jpg
Class D-5s Diagram 1900
600 x 29535 KB
Class D-6 Diagram 1900.jpg
Class D-6 Diagram 1900
600 x 29135 KB
Class E Diagram 1900.jpg
Class E Diagram 1900
600 x 28241 KB
Class E-1 Diagram 1900.jpg
Class E-1 Diagram 1900
600 x 27737 KB
Class E-2 Diagram 1900.jpg
Class E-2 Diagram 1900
600 x 27737 KB
Class E-3 Diagram 1913.jpg
Class E-3 Diagram 1913
600 x 30340 KB
Class E-4 Diagram 1900.jpg
Class E-4 Diagram 1900
600 x 27940 KB
Class E-5 Diagram 1900.jpg
Class E-5 Diagram 1900
600 x 28039 KB
Class E-6 Diagram 1900.jpg
Class E-6 Diagram 1900
600 x 28327 KB
Class E-7 Diagram 1913.jpg
Class E-7 Diagram 1913
600 x 28026 KB
Class F-1 Diagram 1913.jpg
Class F-1 Diagram 1913
1000 x 488105 KB
Class F-2 Road Diagram 1900.jpg
Class F-2 Road Diagram 1900
600 x 27338 KB
Class F-2 Switch Diagram 1913.jpg
Class F-2 Switch Diagram 1913
600 x 28734 KB
Class F-3 Diagram 1900.jpg
Class F-3 Diagram 1900
600 x 28230 KB
Class F-4 Diagram 1900.jpg
Class F-4 Diagram 1900
600 x 28630 KB
Class F-5 Diagram 1900.jpg
Class F-5 Diagram 1900
600 x 27922 KB
Class F-5 Switch Diagram 1913.jpg
Class F-5 Switch Diagram 1913
600 x 28824 KB
Class F-6 Diagram 1900.jpg
Class F-6 Diagram 1900
600 x 28322 KB
Class F-6 Switch Diagram 1913.jpg
Class F-6 Switch Diagram 1913
600 x 29025 KB
Class F-7 Diagram 1900.jpg
Class F-7 Diagram 1900
600 x 27920 KB
Class G Diagram 1913.jpg
Class G Diagram 1913
600 x 29332 KB
Class G-1 Diagram 1949.jpg
Class G-1 Diagram 1949
600 x 31341 KB
Class G-2 Diagram 1949.jpg
Class G-2 Diagram 1949
600 x 29859 KB
Class H Diagram 1900.jpg
Class H Diagram 1900
600 x 27830 KB
Class H-1 Diagram 1900.jpg
Class H-1 Diagram 1900
600 x 27830 KB
Class H-1 Diagram 1913.jpg
Class H-1 Diagram 1913
600 x 29347 KB
Class H-2 Diagram 1900.jpg
Class H-2 Diagram 1900
600 x 27828 KB
Class H-2 Diagram 1913.jpg
Class H-2 Diagram 1913
600 x 29330 KB
Class L-10 Diagram 1913.jpg
Class L-10 Diagram 1913
600 x 29222 KB
Class L-5 Diagram 1913.jpg
Class L-5 Diagram 1913
1000 x 547100 KB
Class L-6 Diagram 1949.jpg
Class L-6 Diagram 1949
600 x 28238 KB
Class L-7 Diagram 1913.jpg
Class L-7 Diagram 1913
600 x 29729 KB
Class L-9 Diagram 1913.jpg
Class L-9 Diagram 1913
600 x 28223 KB
Class Q Diagram 1913.jpg
Class Q Diagram 1913
600 x 28425 KB
Class Q-1A Diagram 1913.jpg
Class Q-1A Diagram 1913
600 x 29029 KB
Class Q-1B Diagram 1913.jpg
Class Q-1B Diagram 1913
600 x 29330 KB
Class Q-3A Diagram 1913.jpg
Class Q-3A Diagram 1913
600 x 29429 KB
Class Q-3B Diagram 1913.jpg
Class Q-3B Diagram 1913
600 x 28927 KB
Class Q-4A Diagram 1913.jpg
Class Q-4A Diagram 1913
600 x 29128 KB
Class Q-4B Diagram 1913.jpg
Class Q-4B Diagram 1913
600 x 28727 KB
Class Q-5 Diagram 1949.jpg
Class Q-5 Diagram 1949
1000 x 535172 KB
Class Q-6 Diagram 1949.jpg
Class Q-6 Diagram 1949
600 x 29763 KB
Class S-4c Diagram 1900.jpg
Class S-4c Diagram 1900
600 x 27923 KB
Class S-4s Diagram 1949.jpg
Class S-4s Diagram 1949
600 x 29649 KB
Class T Diagram 1913.jpg
Class T Diagram 1913
600 x 31236 KB
Class T-1 Diagram 1949.jpg
Class T-1 Diagram 1949
600 x 30163 KB
Class W-1 Diagram 1913.jpg
Class W-1 Diagram 1913
600 x 31335 KB
Class W-2A Diagram 1913.jpg
Class W-2A Diagram 1913
600 x 31642 KB
Class W-2B Diagram 1913.jpg
Class W-2B Diagram 1913
600 x 29534 KB
Class W-3A Diagram 1949.jpg
Class W-3A Diagram 1949
600 x 25853 KB
Class W-3B Diagram 1949.jpg
Class W-3B Diagram 1949
600 x 30165 KB
Class W-3C Diagram 1949.jpg
Class W-3C Diagram 1949
600 x 30463 KB
Class W-3D Diagram 1949.jpg
Class W-3D Diagram 1949
600 x 30264 KB
Class W-4 Diagram 1949.jpg
Class W-4 Diagram 1949
1000 x 508177 KB
Class W-5 Diagram 1949.jpg
Class W-5 Diagram 1949
600 x 29156 KB
Class WA Diagram 1913.jpg
Class WA Diagram 1913
600 x 29733 KB
Class WB Diagram 1913.jpg
Class WB Diagram 1913
600 x 30142 KB
Class Z Diagram 1913.jpg
Class Z Diagram 1913
1000 x 50796 KB
Class Z-1 Diagram 1913.jpg
Class Z-1 Diagram 1913
1000 x 501104 KB
Class Z-2 Diagram 1913.jpg
Class Z-2 Diagram 1913
1000 x 505100 KB
Class Z-3 Diagram 1949.jpg
Class Z-3 Diagram 1949
1000 x 487165 KB
Class Z-4 Diagram 1949.jpg
Class Z-4 Diagram 1949
1000 x 527147 KB
Class Z-5 Alco Diagram 1949.jpg
Class Z-5 Alco Diagram 1949
1000 x 487158 KB
Class Z-5 BLW Diagram 1949.jpg
Class Z-5 BLW Diagram 1949
1000 x 487141 KB
Class Z-6 Diagram 1949.jpg
Class Z-6 Diagram 1949
1000 x 532175 KB
Class Z-7 Diagram 1949.jpg
Class Z-7 Diagram 1949
1000 x 462120 KB
Class Z-8 Diagram 1949.jpg
Class Z-8 Diagram 1949
1000 x 455127 KB
S-10 1913 p063.jpg
S-10 1913 p063
1000 x 477126 KB