Marine Engine Collection of Mystic Seaport


Gray Motor Co. 4-71 Series


Engine Builder: GrayMarine Engine Division
Model: 4-71 Series
Make: Gray Motor Co.
Inboard/Outboard: Inboard
Engine Type: Diesel
Production Date:
Engine Design: Two-Stroke
Overall Condition: Fair
Rebuilt/Restored: Restored
Horsepower:
Cylinders: 4
Bore:
Stoke:
Coolant:
Accession:2007.92

Remarks: Engine block No. 47112972. Engine is equiped with a Marine Reverse Gear using a Twin Disc Clutch, model: MG 61, Spec No. 22006 61070. Engine has an incorporated Detroit Diesel fresh water/ salt water heat exchanger, which likely replaced an original Gray Marine heat exchanger. Note that builder stamped information is difficult to read due to wear and corrosion. Engine was listed as Misc Inbd 32. Engine currently in shop for restoration (May 2008).


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2007.92-b.JPG
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