This locomotive ran until 1960, and has been preserved.
Two locomotives built by Mason have been preserved, both fully operational.
To date, one Class 01/5 registered locomotive has been preserved.
Five other locomotives have been preserved by various other groups.
Two locomotives are preserved, one of them, the F 1200, is in running condition.
Two 3 ft 2 in gauge locomotives were also preserved.
All the locomotives have been preserved until the present day.
In addition, the following locomotives were previously preserved, but have since been scrapped.
Six locomotives were preserved and are still running today.
Two locomotives, numbers 99 633 and 99 637 have been preserved.