Alco C-420 (DL721A) |
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| Data Sheet Information Compiled by: JEAN-DENIS BACHAND |
| New: 9 April 2005 |
Drawing by: Jean-Denis Bachand |
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| Engine Builder: Alco |
Engine: 4-cycle Model 251C V12 |
| Bore & Stroke |
9" X 10.5" |
| RPM (Maximum / Minimum) |
1025 / 400 |
| Main Generator: GE GT581 |
Horsepower: 2000 |
| Gear Ratio: 74:18 |
Speed: 70 mph |
| 4-Wheel |
Configuration: B-B |
| Traction Motor Blowers: Chicago |
Model: Mechanical Driven (2) |
| Weight: 250,000 lbs |
Traction Motors: GE 752 (four) |
| Tractive Effort (starting) 57,200 lbs @ 25% |
Tractive Effort (continuous): 38,000 lbs @ 8 mph |
| Multiple Unit Capability: Yes |
Dynamic Braking: Yes |
| Auxilary Generator: GE GY27 |
Alternator: GE Exciter |
| Air Brake: Westinghouse |
Model: 26LUM |
| Compressor: Westinghouse |
Model: 3CDC |
| Quantity Built: 131
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Dates: 6/1963 to 8/1968 |
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| Exterior Dimensions
| C-424 |
| Total Length |
60'-03" |
| Pilot to Pilot |
51'-00" |
| Wheel Diameter |
40" |
| Truck Wheel Base |
9'-04" |
| Height to Top Engine Hood |
15'-06" |
| Height to Top Cab Hood |
15'-03" |
| Cab Width |
10'-00" |
| Top Walkway Width |
9'-07" |
| Walkway Width |
5'-01" |
| Engine Hood Width |
9'-11" |
| Center Bolster |
34'-05" |
| Center Front Truck to Front Pilot |
8'-03" |
| Center Rear Tucrk to Rear Pilot |
8'-03" |
| Distance between Truck Centers |
43'-09" |
| Minimum Turning Radious |
30 degrees |
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| Fuel Oil: 2400
| Lubricating Oil: 250 |
| Engine Cooling Water: 250
| Sand Capacity: 28 cu. ft. |
Options:
- Fully Automatic Transition
- Steam Generator
- Air Signal Lines
- Seal Beam with TrainLines Control
- High Adhesion Trucks
- Automatic Locomotive Testing
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| Drawing by: Jean-Denis Bachand |
Reference Sources:
- Railroad Model Craftsman, May 1983 & July 1988
- Model Railroader, February 1985
- Alco: A Centennial Remembrance, by Richard T. Steinbrenner
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