EMD G12 and GA12 |
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| Data Sheet Information Compiled by: JEAN-DENIS BACHAND |
| New: 28 October 2006 |
Artwork by: Jean-Denis Bachand |
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| Engine Builder: EMD |
Engine: 567C 12-cylinder |
| Bore & Stroke |
8.5" X 10" |
| RPM (Maximum / Minimum) |
835 / 275 |
| Main Generator: GM - D32 |
Horsepower: 1310 |
| Gear Ratio: 63:14 |
Speed: 62 mph |
| Trucks: 4-Wheel |
Configuration: B-B (and A-1-A for GA12) |
| Traction Motor Blowers: Delco Electric Drive (4) |
Model: GM |
| Weight: 160,000 lbs |
Traction Motors: Four GM - D29 |
| Tractive Effort (starting) 38,000 lbs @ 25% (and 42,131 lbs. for GA12) |
Tractive Effort (continuous): 28,000 lbs @ 12 mph |
| Multiple Unit Capability: Yes |
Dynamic Braking: No |
| Auxilary Generator: Delco A8102 |
Alternator: GM D14 |
| Air Brake: Westinghouse |
Model: 24L |
| Compressor: Gardner-Denver |
Model: WXO |
| Quantity Built: Not Available (and 92 GA12s)
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Dates: 1955 to 1964 |
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| Exterior Dimensions
| G12 and GA12 |
| Total Length |
44'-07" |
| Wheel Diameter |
40" and 36" |
| Truck Wheel Base |
8'-00" (and 10'-06" for GA12) |
| Height to Top Engine Hood |
13'-10" |
| Height to Top Cab |
12'-02" |
| Cab Width |
9'-02" |
| Engine Hood Width |
9'-00" |
| Top of Walkway |
8'-04" |
| Walkway Width |
3'-08.5" |
| Center Bolster |
25'-00" |
| Center Front Truck to Front Pilot |
2'-09" |
| Center Rear Tucrk to Rear Pilot |
2'-09" |
| Distance between Truck Centers |
35'-06" |
| Minimum Turning Radious |
57 degrees |
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| Fuel Oil: 750
| Lubricating Oil: 165 |
| Engine Cooling Water: 214
| Sand Capacity: 6 cu. ft. |
| Options: Vapor Clarkson Boiler #4625 (@ 2500 lbs./hr.) |
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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
- "Early Diesel and Electric Locomotives," Rail Heritage Publications
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