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By John Erickson

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MEC 407 Pictures from John Erickson

Engine Details
Number Marks Current Disposition Eng. Serial No. Eng. Built: Date Acquired:
407 MEC Sold 40727 6/1975 6/16/1981
Eng. Type: Engine Maker: Trucks: Horsepower: Weight: Engine:
U18B GE 4-Wheel B-B 1800 219,000 lbs FDL8 (4-cycle)
Bore & Stroke: Fuel Capacity: Truck Wheel Base: Tractive Effort (starting): Gear Ratio: Speed:
9.0" x 10.5" 1700 gal. 9'-03" 83,500 lbs @ 25% 74:18 70 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.

Note: MEC gave this engine the name Unity, for the battle of Unity, for the US Bicentennial. This engine was sold to RTEX in August of 2003.