20059, Class 20

Running number (BR/operator)	20059
Locomotive class	British Rail Class 20
Power type	Diesel
Current location	Mid-Hants Railway (Watercress Line)
Owner / preservation society	Somerset & Dorset Loco Company
Operating status	Heritage railway service / cycles
Year built	1961

Notable history

Built by Robert Stephenson and Hawthorns as works number 2965/8217 of 1961 and allocated to Sheffield Darnall when it entered service in May 1961 as D8059.

Additional notes

Location, status and ownership last confirmed Watercress Line, August 2026. Source: Wikipedia, "British Rail Class 20", read August 2026. Subject to verification; preserved diesels move between sites and main-line registration lapses.

Other survivors of this class

20007 — 20007, English Electric Type 1 Bo-Bo of the BR Class 20. Last confirmed as main-line registered as of August 2026.
20020Bo'ness & Kinneil Railway — English Electric Type 1 Bo-Bo of the BR Class 20, originally D8020. Last confirmed at the Bo'ness & Kinneil Railway as of August 2026.
20031Kent & East Sussex Railway — Preserved Class 20.
20048Midland Railway Centre, Butterley — 20048, English Electric Type 1 Bo-Bo of the BR Class 20. Last confirmed at Midland Railway - Butterley as of August 2026.
20057Churnet Valley Railway — 20057, English Electric Type 1 Bo-Bo of the BR Class 20, originally D8057. Last confirmed at Churnet Valley Railway as of August 2026.
20066Swanage Railway — 20066, English Electric Type 1 Bo-Bo of the BR Class 20. Last confirmed at Swanage Railway as of August 2026.
20069Great Central Railway (heritage) — Preserved Class 20.
20098South Devon Railway (heritage) — Preserved Class 20.
20110Severn Valley Railway — Preserved Class 20.
20137Gloucestershire Warwickshire Steam Railway — 20137, English Electric Type 1 Bo-Bo of the BR Class 20. Last confirmed at Gloucestershire Warwickshire Railway as of August 2026.
20142 Sir John BetjemanEpping Ongar Railway — Preserved Class 20.
D8001East Lancashire Railway — Preserved Class 20.