A pusher, pusher craft, pusher boat, pusher tug, or towboat, is a boat designed for pushing barges or car floats. In the United States, the industries that use these vessels refer to them as towboats.
3x3 nine unit barge going through La Crosse, Wisconsin
The towboat Angelina pushes two loaded barges in New Orleans.
The towboat Peter Fanchi southbound on the Ohio river at Louisville, Kentucky
The Donna York pushing barges of coal up the Ohio River at Louisville, Kentucky
A tugboat or tug is a marine vessel that manoeuvres other vessels by pushing or pulling them, with direct contact or a tow line. These boats typically tug ships in circumstances where they cannot or s
Pusher (boat)
…Sampan Tugboat Lehman, Charles F. (2009). A riverman's lexicon : in Lehman's terms. Florissant, Mo.: J.R. Simpson & Associates. ISBN 978-0-9841503-0-4. Nautical…
Tugboat CSS Teaser is captured by USS Maratanza.
Justine McAllister, a tug boat in New York Harbor, January 2008
Fleet tug USS Tawasa (1,255 tons, 205 ft), which towed a nuclear depth charge as it was detonated in Operation Wigwam in 1955
Articulated tug and barge (ATB)