British Rail Class 44

The British Rail Class 44 or Sulzer Type 4 diesel locomotives were built by British Railways' Derby Works between 1959 and 1960. They were named after British mountains, and were then nicknamed Peaks.

Derby Type 4
British Rail Class 44
Preserved Class 44 number D8 at Rowsley South, on Peak Rail
Power type Diesel-electric
Builder British RailwaysDerby Works
Total production 10
Configuration 1Co-Co1
UIC classification (1Co)'(Co1)'
Gauge Lua error in package.lua at line 80: module 'Module:Track gauge/data' not found.
Wheel diameter 3 ft 9 in (1.143 m)
Minimum curve 5 chains (100 m)
Wheelbase 59 ft 8 in (18.19 m)
Length 67 ft 11 in (20.70 m)
Width Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
Height 12 ft 10 in (3.91 m)
Locomotive weight Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value).
Fuel capacity 840 imp gal (3,800 l; 1,010 US gal)
Prime mover Sulzer 12LDA28-A
Multiple working Blue Star
Power output Engine: 2,300 bhp (1,715 kW)
At rail: 1,800 hp (1,342 kW)
Tractive effort Maximum: Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value).
Train heating Steam generator
Locomotive brakeforce Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value).
Train brakes Vacuum
Career British Railways
Number D1–D10; later 44001–44010
Nicknames ‘Peak’
Axle load class Route availability 7


British Rail Class 44 Media