Class 01

The British Rail Class 01 diesel locomotive was a short wheelbase 0-4-0 diesel-mechanical design intended for use in areas with tight curves and limited clearance, such as the Holyhead Breakwater.

Allocations
In the Winter of 1957/58, the Class 01s where allocated as the DY2 class and 11503 - 11506 where usedundefined.

In 1976, 01 001 and 01 002 where allocated to Holyhead Shed (HD).