harbour tugboat BrE
harbor tugboat AmE
harbour tug

Compared to seagoing tugboats, harbour tugboats are generally smaller and the width-to-length ratio is often higher, due to the need for a lower draught.

He also gathered information by taking the Navy's own harbor tugboat and listening to local gossip.

Early in his tenure as Labor Secretary, he helped resolve a New York harbor tugboat strike.

Standard Oil Company No. 16 is a historic harbor tugboat located at Mariners Harbor, Staten Island, New York.

Out in the harbor tugboats moved with the silent efficiency of electric power, and there were also wind-driven sailing ships, lobster boats powered by oars, even a topsail schooner lovely against clean blue water.

The United States Coast Guard's 'Capstan' (WYTL 65601) (a 65-foot harbor tugboat) and its crew were based nearby, and their duties include ice-breaking and responding to water rescues.

USS Pontiac (YT-20) was a harbor tugboat purchased by the U.S. Navy during World War I. She was assigned to the New York harbor area and performed her towing tasks there until war's end.

In the workaday world of the harbor tugboat crews who over the decades hauled an estimated 400,000 garbage barges through the currents and high-volume traffic of the waterfront, the final ride of D.S. 123 was a trip down the river like so many before, except for the load of reporters and camera crews.