Built at Vulcan Foundry as D6701 in 1960, renumbered into the TOPS series as 37001 in 1974.
Refurbished, modified to class 37/7 standard and renumbered 37707 in 1987.
Withdrawn in 2007, scrapped in 2011.
37707 at Margam Depot 199637707 at Lincoln 1994