British Rail Class 41 (Warship Class)

British Rail Class 41
D600 'Active' at Reading in 1959
Type and origin Power type Diesel-hydraulic Builder North British Locomotive Co. Serial number 27660–27664 Build date 1958–1959 Total produced 5
Specifications Configuration: ​  • UIC (A1A)(A1A)  • Commonwealth A1A-A1A Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Wheel diameter Driving: 3 ft 7 in (1.092 m) Carrying: 3 ft 3+1⁄2 in (1.003 m) Wheelbase 50 ft 0 in (15.24 m) Length 65 ft 0 in (19.81 m) Width 8 ft 8 in (2.64 m) Height 12 ft 10 in (3.91 m) Loco weight 117 long tons (119 t; 131 short tons) Fuel capacity 800 imp gal (3,600 L; 960 US gal) Prime mover 2 × NBL-MAN L12V 18/21S Engine type V12 Diesel Transmission Hydraulic, Voith L306r MU working ■ Orange Square Train heating Steam Train brakes Vacuum
Performance figures Maximum speed 90 mph (145 km/h) Power output Engines: 1,000 bhp (746 kW) × 2 Tractive effort Maximum: 50,000 lbf (222 kN) Continuous: 39,600 lbf (176 kN) Brakeforce 88 long tons-force (877 kN)
Career Operators British Railways Numbers D600–D604 Nicknames "Warships” Retired December 1967 Disposition All scrapped

The British Rail Class 41 diesel-hydraulic locomotives were built by the North British Locomotive Company in Glasgow during 1957 and 1958. Although they were withdrawn before TOPS was introduced, British Rail classified them as Class 41.^[1] All were named after Royal Navy vessels, hence the nameplates each bore a subtitle "Warship Class".