David B

 
| Model: | 3-13 | 
|---|---|
| Serial: | 7202 | 
| Bore: | 10¼" | 
| Stroke: | 13½" | 
| Cylinders: | 3 | 
| Horsepower: | 100 | 
| RPM: | 325 | 
| Current Owner: | Northwest Navigation Co (website) | 
| Current Location: | Bellingham, Washington | 
| Current Condition: | Operational | 
Engine History
The David B was built as a cannery tender, a specialized type of tugboat that pulled sail-powered fishing boats to fishing grounds in Bristol Bay, Alaska.