MLW M420TR (RS26) |
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| Data Sheet Information Compiled by: JEAN-DENIS BACHAND |
| New: 1 May 2005 |
Drawing by: Jean-Denis Bachand |
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| Engine Builder: MLW |
Engine: 4-cycle Model 251C V12 |
| Bore & Stroke |
9" X 10.5" |
| RPM (Maximum / Minimum) |
1050 / 450 |
| Main Generator: GE GTA17PB1 |
Horsepower: 2000 |
| Gear Ratio: 74:18 |
Speed: 65 mph |
| Trucks: 4-Wheel ZWT-2 |
Configuration: B-B |
| Traction Motor Blowers: Chicago |
Model: Mechanical Driven (2) |
| Weight: 240,000 lbs |
Traction Motors: GE 752PC6 (four) |
| Tractive Effort (starting) 60,400 lbs @ 25% |
Tractive Effort (continuous): 68,000 lbs @ 10 mph |
| Multiple Unit Capability: Yes |
Dynamic Braking: Yes |
| Auxilary Generator: GE GT553 |
Alternator: GE Exciter GE GY27P |
| Air Brake: Westinghouse |
Model: 26LUM |
| Compressor: Westinghouse |
Model: 3CDC |
| Quantity Built: 2
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Dates: 4/1972 |
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| Exterior Dimensions
| M-420TR |
| Total Length |
55'-02" |
| Pilot to Pilot |
50'-06" |
| Wheel Diameter |
40" |
| Truck Wheel Base |
9'-04" |
| Height to Top Engine Hood |
13'-07" |
| Height to Top Cab Hood |
15'-02" |
| Cab Width |
10'-0" |
| Top Walkway Width |
7'-10" |
| Walkway Width |
5'-01" |
| Engine Hood Width |
10'-02" |
| Center Bolster |
30'-02" |
| Center Front Truck to Front Pilot | 3'-03" |
| Center Rear Tucrk to Rear Pilot |
3'-03" |
| Distance between Truck Centers |
39'-11" |
| Minimum Turning Radious |
30 degrees |
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| Fuel Oil: 2400
| Lubricating Oil: 160 |
| Engine Cooling Water: 250
| Sand Capacity: 27 cu. ft. |
Options:
- Fully Automatic Transition
- Steam Generator
- Air Signal Lines
- Seal Beam with TrainLines Control
- Automatic Locomotive Testing
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| Drawing by: Jean-Denis Bachand |
Reference Sources:
- MLW Design Data
- Extra 2200 South, Issues #33 & 34
- Alco: A Centennial Remembrance, by Richard T. Steinbrenner
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