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Portland Terminal RR 1055

Engine Details
Number Marks Current Disposition Eng. Serial No. Eng. Built: Date Acquired:
1055 PT At Conway Scenic 78416 11/1950 11/1950
Eng. Type: Engine Maker: Trucks: Horsepower: Weight: Engine:
S-4 Alco 4-Wheel B-B 1000 229,700 lbs 4-cycle Model 539 6L
Bore & Stroke: Fuel Capacity: Truck Wheel Base: Tractive Effort (starting): Gear Ratio: Speed:
12.5" X 13.0" 635 8'-00" 72,400 lbs @ 30% 75:16 60 mph


All diesel engine data is usually from The Diesel Shop with inclusions from Wikipedia where the information on The Diesel Shop was spotty. Former Maine Central Locomotives are checked against Maine Central Diesel Locomotives Revised Edition by Edwin B. Robertson.