EMD GP7 and GP7B |
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| Data Sheet Information Compiled by: JEAN-DENIS BACHAND |
| New: 6 May 2006 |
Artwork by: Jean-Denis Bachand |
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| Engine Builder: EMD |
Engine: 567B 16 cylinder |
| Bore & Stroke |
8.5" X 10" |
| RPM (Maximum / Minimum) |
800 / 275 |
| Main Generator: GM - D12 |
Horsepower: 1500 |
| Gear Ratio: 62:15 |
Speed: 65 mph |
| Trucks: 4-Wheel |
Configuration: B-B |
| Traction Motor Blowers: Delco Electric Drive (4) |
Model: GM |
| Weight: 246,000 lbs |
Traction Motors: Four GM - D27B |
| Tractive Effort (starting) 65,000 lbs @25% |
Tractive Effort (continuous): 40,000 lbs @ 9.3 mph |
| Multiple Unit Capability: Yes |
Dynamic Braking: Yes |
| Auxilary Generator: Delco A8102 |
Alternator: GM D14 |
| Air Brake: Westinghouse |
Model: 24L |
| Compressor: Gardner-Denver |
Model: WBO |
| Quantity Built: 2724 (and five GP7Bs)
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Dates: 10/49 to 5/54 (and 3-4/53 for GP7B) |
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| Exterior Dimensions
| GP7 and GP7B |
| Total Length |
55'-11" |
| Wheel Diameter |
40" |
| Truck Wheel Base |
9'-00" |
| Height to Top Engine Hood |
13'-11" |
| Height to Top Cab |
14'-06" |
| Cab Width |
10'-03" |
| Engine Hood Width |
10'-00" |
| Top of Walkway |
8'-09" |
| Walkway Width |
4'-07.5" |
| Center Bolster |
31'-00" |
| Center Front Truck to Front Pilot |
2'-03" |
| Center Rear Tucrk to Rear Pilot |
2'-03" |
| Distance between Truck Centers |
40'-00" |
| Minimum Turning Radious |
39 degrees |
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| Fuel Oil: 800
| Lubricating Oil: 200 |
| Engine Cooling Water: 230
| Sand Capacity: 18 cu. ft. |
| Options: Vapor Clarkson Boiler #4625 |
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| Artwork by: Jean-Denis Bachand |
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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
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