A bank engine, banking engine, helper engine or pusher engine is a railway locomotive that temporarily assists a train that requires additional power or traction to climb a gradient. Helpers/bankers a
SZ Taurus pushing a freight train on the grade between Koper and Hrpelje-Kozina in Slovenia. An SZ class 363 is leading the train. July 2007.
Kalyan Electric Loco Shed WAG-7, to be used as a banker locomotive for climbing the gradient on Bhor Ghat, near Pune. Spotted at Karjat Railway Station
1915 photo of a quadruple header (four front locomotives) train with a rear helper, climbing the Denver & Rio Grande Western's grade up Soldier Summit
1949 photo of an LMS Jubilee Class climbing the Lickey Incline in Worcestershire with MR 0-10-0 Lickey Banker 'Big Bertha' providing banking at the rear of the train. In the present day, almost all trains can climb the incline unassisted, though heavier freight trains still require bankers.
Helper is a city in Carbon County, Utah, United States, approximately 110 miles southeast of Salt Lake City and 7 miles northwest of the city of Price. The population was 2,112 at the 2020 census.
Bank engine
…the train would experience a violent run-in (an abrupt bunching of train slack), resulting in the derailment of part or all of the train. The town of Helper, Utah, was named after these engines. It was where helper engines were kept to assist on the climb to Soldier Summit. Nowadays helpers/bankers are often…
North along Main Street, September 2023
Helper's post office is one of three sites listed on the National Register of Historic Places
"Big John" Muffler Man in Helper, December 2010