Old Tacoma Marine, Inc.

tugboat John Arthur

Model #: 6HM2124 Engine #: 11811
Bore & Stroke: 13" x 16" Cylinders: six
Horsepower: 400 RPM: 300
Current Owner: George Coates link
Current Location: Chesapeake City, Maryland map
Current Condition: Operational

Engine History

The tugboat John Arthur is powered by its original 6HM2124 Atlas-Imperial diesel engine. The engine is fresh-water cooled using a heat exchanger on its port side.

External Links

George Coates' engine page
Boating with TR's information about the John Arthur