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By John Erickson

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St-BM Eng. 51 Pictures from John Erickson

Engine Details
Number Marks Current Disposition Eng. Serial No. Eng. Built: Date Acquired:
51 ST Retired 23223 12/1957 June 30, 1983
Eng. Type: Engine Maker: Trucks: Horsepower: Weight: Engine:
GP9 EMD 4-Wheel B-B 1750 249,000 lbs 567C 16 cylinder
Bore & Stroke: Fuel Capacity: Truck Wheel Base: Tractive Effort (starting): Gear Ratio: Speed:
8.5" X 10" 800 9'-00" 62,750 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: B&M 1825 Rebuilt from B&M 1725