EMD SW7 |
 |
| Data Sheet Information Compiled by: JEAN-DENIS BACHAND |
| Revised: 8 March 2024 |
Artwork by: Jean-Denis Bachand |
| - |
| Engine Builder: EMD |
Engine: 567A 12-cylinder |
| Bore & Stroke |
8" X 10" |
| RPM (Maximum / Minimum) |
800 / 275 |
| Main Generator: GM - D15C |
Horsepower: 1200 |
| Gear Ratio: 62:15 |
Speed: 65 mph |
| Trucks: 4-Wheel |
Configuration: B-B |
| Traction Motor Blowers: Mechanical Drive (1) |
Model: GM |
| Weight: 248,000 lbs |
Traction Motors: GM - D37 (four) |
| Tractive Effort (starting) 62,000 lbs @25% |
Tractive Effort (continuous): 36,000 lbs @ 11.0 mph |
| Multiple Unit Capability: Optional |
Dynamic Braking: No |
| Auxilary Generator: GM |
Alternator: Delco |
| Air Brake: Westinghouse |
Model: 24EL |
| Compressor: GMD |
Model: WXO |
| Quantity Built: 493
|
Dates: 10/1949 to 1/1951 |
| - |
- |
| Exterior Dimensions
| SW7 |
| Total Length |
44'-05" |
| Wheel Diameter |
40" |
| Truck Wheel Base |
8'-00" |
| Height to Top Engine Hood |
11'-07.6" |
| Height to Top Cab |
14'-06" |
| Cab Width |
10'-02" |
| Top of Walkway |
4'-07.5" |
| Engine Hood Width |
7'-00" |
| Distance between Truck Centers |
22'-00" |
| Wheel Base (locomotive) |
30'-00" |
| Minimum Turning Radious |
39 degrees |
| -
| - |
| Fuel Oil: 600
| Lubricating Oil: 165 |
| Engine Cooling Water: 220
| Sand Capacity: 28 cu. ft. |
| Options: None |
| - |
Reference Sources:
- Diesel Locomtoives, Vol.2, by Bob Hayden
- Illustrated Treasury of GM Locomotives, by James W. Kerr
- Diesel Locomotives, The First 50 Years by Louis A. Marre
- The Second Diesel Spotter's Guide, by Jerry A. Pinkepank
- "Early Diesel and Electric Locomotives," Rail Heritage Publications
- Diesel & Electric Locomotive Specificiations, 1981 by F.K. Hudson
- Train Shed Cyclopedia, Vol. 20, 58, 60, 64, 80
Original upload: 10 Feb. 2014 |