BR Class 20 Chopper: Diesel Locomotive is an add-on developed and maintained by Dovetail Games, for their TSW Console and PC platforms and was released on September 10, 2020 for the Train Sim World 2020 video game. TSW2020 BR Class 20, also known as the English Electric Type 1 or ‘Chopper’, is a diesel-electric locomotive that was a major step in British Railways’ transition to dieselization:
Nickname – The locomotives are nicknamed “Choppers” because of the distinctive sound of their engines under load, which resembles a helicopter.
History – The Class 20s were developed in the 1950s and built between 1957 and 1968. They were the first major step in British Railways’ transition to dieselization.
Design – The Class 20s have a unique, tank engine-like single cab design.
Use – The Class 20s were used for local trip pilots, banking duties, train work, and shunting work.
Preservation – Some Class 20s have been preserved and are a common sight on heritage railways.
Manufacturer of BR Class 20 ‘Chopper’
English Electric
BR Class 20 ‘Chopper’ Multimedia








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