4-4-2T Class 2221 'County Tank' GWR Profile and Models

The Great Western Railway (GWR) 2221 Class or County Tank was a class of 4-4-2T steam locomotive, effectively a tank engine version of the 3800 "County" Class 4-4-0 tender locomotives. Thirty were built between 1905 and 1912 to replace the 3600 "Birdcage" Class. They were built in three batches of ten, the batches having minor differences. Their work was concentrated on London suburban services. They were replaced by the more versatile GWR 6100 Class from 1931 onwards, the last going in 1934. Their large four coupled driving wheels were suited to high speed running on outer suburban services but acceleration was slower than that of the six coupled, smaller wheeled locomotives. Like the Counties, they had a reputation for rough riding, caused by their short coupled wheelbase and large outside cylinders. None survived into preservation.

(Information provided via Wikipedia)

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