The small tug Tender 4 was built in 1928 by American Boiler Works in Erie, Pennsylvania for the State of New York for operation on the barge canal. In 2014 she was converted from diesel to all-electric power. The Tender 4 remains in service for the New York State Canal Corp.
- Type: Single Screw Tugboat
- Year Built: 1928
- Builder: American Boiler Works, Erie, PA
- Engines: 2 Elco EP-10000 electric motors
- Horsepower: 200 bhp
- Length: 40′ 00″