John Arthur

| Model: | 6HM2124 |
|---|---|
| Serial: | 11811 |
| Bore: | 13" |
| Stroke: | 16" |
| Cylinders: | 6 |
| Horsepower: | 400 |
| RPM: | 300 |
| Current Owner: | George Coates (website) |
| Current Location: | Chesapeake City, Maryland |
| 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.