General
Built- 1951-1952
Weight- 335,000lbs
Maximum Curvature Per Single Unit- 21
Engine
Model- 12-567B
Performance
Horsepower- 2200
Maximum Continuous Tractive Effort- 25,000lbs
Minimum Continuous Speed- 27.5mph
No Dynamic Brake
Fuel Capacities
4020, 4021- 2400 gallons
4022- 1200 gallons
Air Brake Equipment
Brake Schedule- 24-RL
Trucks
Gear Ratio- 22:55
Special Features
8 Channel Event Recorder Equipped
Cab Signal / LSL Equipped
Roster
| CR # | Previous # | Builders # | Build Date | Other |
| 4020 | Amtrak 498 | 13102 | 1-1951 | Ex Amtrak 315, ex PC 4309 nee PRR 5809A |
| 4021 | Amtrak 499 | 16780 | 10-1952 | Ex Amtrak 317, ex PC 4311, nee PRR 5711A |
| 4022 | EL / ERIE 833 | 12231 | 3-1951 |
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