Alco RSD-12 (DL702) |
| The RSD-12 (DL702) Was Built By Alco and MLW |
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| Data Sheet Information Compiled by: JEAN-DENIS BACHAND |
| Updated: 20 May 2005 |
SP Drawing by: Jean-Denis Bachand |
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| Engine Builder: Alco and Dominion Engineering Works |
Engine: 4-cycle Model 251B V12 |
| Bore & Stroke |
9" X 10.5" |
| RPM (Maximum / Minimum) |
1025 / 400 |
| Main Generator: GE - GT586 |
1800 |
| Gear Ratio: 74:18 |
Speed: 65 mph |
| Tri-Mount 6-Wheel |
Configuration: C-C |
| Traction Motor Blowers: Mechanical Driven (2) |
Model: Stuart |
| Weight: 350,000 lbs |
Traction Motors: GE 752 (Four) |
| Tractive Effort (starting) 81250,000 lbs @ 25% |
Tractive Effort (continuous): 78,500 lbs @ 6 mph |
| Multiple Unit Capability: Yes |
Dynamic Braking: Yes |
| Auxilary Generator: GE GY27 |
Alternator: |
| Air Brake: Westinghouse |
Model: 24L |
| Compressor: Westinghouse |
Model: 3CDC |
| Boiler Type: Optional |
Lbs/hr: -- |
| Quantity Built: 161 by Alco / 10 by MLW
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Dates: 4/1956 to 6/1960 (MLW 10/1962) |
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| NKP Drawing by: Jacques Belanger |
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| Exterior Dimensions
| RS-11 |
| Total Length |
58'-01" |
| Pilot to Pilot |
49'-09" |
| Wheel Diameter |
40" |
| Truck Wheel Base |
12'-06" |
| Height to Top Engine Hood |
14'-06" |
| Height to Top Cab Hood |
14'-06" |
| Cab Width |
10'-01" |
| Top Walkway Width |
10'-01" |
| Walkway Width |
5'-01" |
| Engine Hood Width |
9'-11" |
| Center Bolster |
35'-03" |
| Center Front Truck to Front Pilot |
6'-10" |
| Center Rear Tucrk to Rear Pilot |
6'-10" |
| Distance between Truck Centers |
47'-09" |
| Minimum Turning Radious |
30 degrees |
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| Fuel Oil: 2000
| Lubricating Oil: 200 |
| Engine Cooling Water: 250
| Sand Capacity: 28 cu. ft. |
| Options:
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| RFFS Drawing by: Jean-Denis Bachand |
Reference Sources:
- Railroad Model Craftsman, March 1966
- Alco and MLW Design Data Books
- Canadian National Design Data Book
- Chespeake & Ohio Mechanical Data Book
- Pennsylvanic RR Design Data Book
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