EMD F7A and F7B | ||
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| Data Sheet Information Compiled by: JEAN-DENIS BACHAND | ||
| Revised: 14 Feb. 2023 / New: 4 July 2006 | Artwork by: Jean-Denis Bachand | |
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| Engine Builder: General Motors | Engine: 567B 16 cylinder | |
| Bore & Stroke | 8" X 10" | |
| RPM (Maximum / Minimum) | 800 / 275 | |
| Main Generator: GM - D12B | Horsepower: 1500 | |
| Gear Ratio: 62:15 | Speed: 65 mph | |
| Trucks: 4-Wheel | Configuration: B-B | |
| Traction Motor Blowers: Electrical Drive (4) | Model: GM | |
| Weight: 230,000 lbs (and 228,000 for F7B) | Traction Motors: GM - D27C (four) | |
| Tractive Effort (starting) 56,500 lbs @25% | Tractive Effort (continuous): 40,000 lbs @ 9.3 mph | |
| Multiple Unit Capability: Yes | Dynamic Braking: Yes | |
| Auxilary Generator: Delco A8102 | Alternator: D14 | |
| Air Brake: Westinghouse | Model: 24RL | |
| Compressor: Gardner Denver | Model: WBO | |
| Quantity Built: 2366 (and 1483 for F7B unit) | Dates: 2/1949 to 12/1953 | |
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| Exterior Dimensions | F7A (and F7B) | |
| Total Length | 50'-08" (and 50'-00" for F7B) | |
| Wheel Diameter | 40" | |
| Truck Wheel Base | 9'-00" | |
| Total Wheel Base | 39'-00" | |
| Height to Top Engine Hood | 14'-01.5" | |
| Height to Top Cab | 15'-00" (N/A for F7B) | |
| Cab Width | 10'-07" (N/A for F7B) | |
| Engine Hood Width | 9'-10" | |
| Center Front Truck to Front Pilot | 9'-11" (and 5'-06" for F7B both ends) | |
| Center Rear Truck to Rear Pilot | 8'-06" | |
| Distance between Truck Centers | 30'-00" | |
| Minimum Turning Radious | 30 degrees | |
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| Fuel Oil: 1200 | Lubricating Oil: 200 | |
| Engine Cooling Water: 230 (and 215 for F7B) | Sand Capacity: 16 cu. ft. | |
| Options: Vapor Clarkson Boiler (Model OK4625): 1200 lbs/hr (and Model OK4616: 1200/lbs/hr for F7B) | ||
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| - | Artwork by: Jean-Denis Bachand | |
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Reference Sources:
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