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By John Erickson

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PanAm Railways ST 681

Engine Details
Number Marks Current Disposition Eng. Serial No. Eng. Built: Date Acquired:
681 ST Scrapped 1967-70 1987
Eng. Type: Engine Maker: Trucks: Horsepower: Weight: Engine:
SD45 EMD HTC 6-Wheel C-C 3600 368,000 lbs 645E3 20 cylinder
Bore & Stroke: Fuel Capacity: Truck Wheel Base: Tractive Effort (starting): Gear Ratio: Speed:
9.02" X 10" 3200 13'-07" 92,000 lbs @25% 62:15 65 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.

Heritage: Ex NS 1771 < N&W 1771