Alco PA-1 / PB-1 (DL 304 /DL 305) |
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| Data Sheet Information Compiled by: JEAN-DENIS BACHAND |
| New: 11 March 2005 |
Drawing by: Jacques Belanger |
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| Engine Builder: American Locomotive Co. |
Engine: 4-cycle Model 244 V16 |
| Bore & Stroke: 9" X 10" |
9" X 10" |
| RPM (maximum / minimum) |
1000 / 400 |
| Main Generator: GE GT566C1 |
Horsepower: 2000 |
| Trucks: Trimount |
Configuration: A-1-A |
| Gear Ratio: 62:21 |
Speed: 100 mph |
| Weight: 203,460 lbs (approx.) |
Traction Motors: GE 746A2 (Four) |
| Traction Motor Blowers: Stuart |
Type and Number: Mechanical Driven - Two |
| Tractive Effort (starting) 50,865 lbs @ 25% |
Tractive Effort (continuous): 30,500 Lbs. @ 20 mph / 27,000 Lbs. @ 11 mph |
| Multiple Unit Capability: Yes |
Dynamic Braking: Yes |
| Auxilary Generator: GE DC56 |
Alternator: -- |
| Air Brake: Westinghouse |
Model: 6L |
| Compressor: Westinghouse |
Model: 3CD |
| Boiler Type: Steam (Vapor-Clarkson) |
PSI: 275 (3000 lbs capacity) |
| Quantity Built: 169 Cab units and 39 Booster Unit |
Date: June 1946 to November 1949 |
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| Exterior Dimensions
| Cab Unit / Booster Unit |
| Total Length |
65'-08" / 63'-08" |
| Pilot to Pilot |
63'-03"/ 60'-06" |
| Wheel Diameter |
40" / 40" |
| Truck Wheel Base |
15'-06" / 15'-06" |
| Height to Top Engine Hood |
15'-02" / 15'-02" |
| Height to Top Cab Hood |
14'-00" / not applicable |
| Cab Width |
10'-06" /not applicable |
| Walkway Width |
None / None |
| Engine Hood Width |
9'-10" / 9'-10" |
| Center Bolster |
34'-02"/ 34'-02" |
| Center Front Truck to Front Pilot |
15'-11" / 13'-02" |
| Center Rear Truck to Rear Pilot |
13'-02" / 13'-02" |
| Distance between Truck Centers |
49'-08" / 49'-08" |
| Minimum Turning Radius |
21 degrees / 21 degrees |
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| Fuel Oil: 1000 Gallons |
Lubricating Oil: 192 Gallons |
| Engine Cooling Water: 250 Gallons |
Sand Capacity: 22 Cubic Feet |
| Equipment & Options: ?? |
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| Drawing by: Jean-Denis Bachand |
Reference Sources:
- Train Shed Cyclopedia #64
- Early Diesel Electric and Electric Locomotive by Rail Heritage
- Train Shed Cyclopedia #64
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