Alco RSD-4 (E1663) and RSD-5 (E1664) |
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| Data Sheet Information Compiled by: JEAN-DENIS BACHAND |
| Updated: 20 May 2005 |
RSD-4 Drawing by: Jean-Denis Bachand |
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| Engine Builder: Alco |
Engine: 4-cycle Model 244 V12 |
| Bore & Stroke |
9" X 10.5" |
| RPM (Maximum / Minimum) |
1025 / 400 |
| Main Generator: GE - GT581 |
RSD-4 HP: 1500 / RSD-5 HP: 1600 |
| Gear Ratio: 74:18 |
Speed: 65 mph |
| Trucks: Tri-Mount (6-Wheel) |
Configuration: D-D |
| Traction Motor Blowers: Mechanical Driven (2) |
Model: ? |
| Weight: 356,000 lbs / 360,000 |
Traction Motors: GE 752 (six) |
| Tractive Effort (starting) 89,000 / 90,000 lbs @ 25% |
Tractive Effort (continuous): 78,750 / 79,500 lbs @ 12 mph |
| Multiple Unit Capability: Yes |
Dynamic Braking: Yes |
| Auxilary Generator: GE GMG139 |
Alternator: not applicable |
| Air Brake: Westinghouse |
Model: 24L |
| Compressor: Westinghouse |
Model: 3CDC |
| Boiler Type: -- |
Lbs/hr: -- |
| Quantity Built: 36 (RSD-4s) and 204 (RSD-5s)
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Dates: 3/1951 to 8/1951 (RSD-4) and 3/1952 to 3/1956 (RSD-5) |
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| Exterior Dimensions
| RSD-4 / RSD-5 |
| Total Length |
55'-11" / 56'-05.75" |
| Pilot to Pilot |
48'-02" / 48'-02" |
| Wheel Diameter |
40" / 40" |
| Truck Wheel Base |
12'-06" / 12'-06" |
| Height to Top Engine Hood |
12'-02" / 12'-02" |
| Height to Top Cab Hood |
14'-05" / 14'-09" |
| Cab Width |
10'-00" / 10'-00" |
| Top Walkway Width |
7'-04" / 7'-04" |
| Walkway Width |
5'-00" / 5'-00" |
| Engine Hood Width |
5'-05" / 5'-00" |
| Center Bolster |
34'-09" / 34'-09" |
| Center Front Truck to Front Pilot |
6'-07" / 6'-07" |
| Center Rear Tucrk to Rear Pilot |
6'-07" / 6'-07" |
| Distance between Truck Centers |
45'-11" / 45'-11" |
| Minimum Turning Radious |
21 degrees / 21 degrees |
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| Fuel Oil: 800
| Lubricating Oil: 200 |
| Engine Cooling Water: 250
| Sand Capacity: 22 cu. ft. |
| Options: Dynamic Brakes |
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| RSD-5 Drawing by: Jacques Belanger |
Reference Sources:
- Extra 2200 South, Issues 58 & 59
- ATSF Mechanical Data Book
- PRR Mechanical Data Book
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