Builder: British Railways; Darlington and Horwich

Power: Diesel-electric

Built: 1959, 1961–1962 (09/0)
Rebuilds: 1992–1993 (09/1, 09/2)

Number in class: 26 (09/0),
12 (7 09/1 + 5 09/2)

Withdrawn: 1981–present

Numbers: 09/0: D3665–D3671, D3719–D3721, D4099–D4114;
later 09001–09026
09/1: 09101-09107
09/2: 09201-09205