The 45xx and 4575 classes were favourites for branch line work over most of the Great Western Railway territory. Devon and Cornwall were no exceptions and virtually all the branch lines in the two counties saw engines of one or other of the two types right up until the end of steam on British Railways (Western Region), or in many cases, until the closure of the lines in question.

The 45xx and 4575 classes were favourites for branch line work over most of the Great Western Railway territory. Devon and Cornwall were no exceptions and virtually all the branch lines in the two counties saw engines of one or other of the two types right up until the end of steam on British Railways (Western Region), or in many cases, until the closure of the lines in question.

About The Great Western Railway made much use of its pannier tank designs for shunting, light freight and passenger work. By far the most numerous