British Rail DHP1

DHP1, meaning Diesel Hydraulic Prototype number 1, was a prototype Type 3 mainline diesel locomotive built in 1965 by Clayton to demonstrate their wares to British Railways. It was designed for mixed traffic work, having steam heating facilities for working passenger trains. It was painted red, with the cab area above bonnet-level height painted cream.

Clayton DHP1
Power type Diesel-hydraulic
Builder Clayton Equipment Company
Build date 1965
UIC classification B'B'
Locomotive weight 56 long tons (57 t)
Prime mover Rolls-Royce, 2 off
Transmission Hydraulic
Top speed 90 mph (140 km/h)
Power output 750 hp (560 kW) × 2
Career British Railways
Disposition Scrapped