British Rail Class 33

BRCW Type 3 British Rail Class 33
D6575
Type and origin Power type Diesel-electric Builder Birmingham Railway Carriage and Wagon Company Serial number DEL92–DEL189 (not in order) Build date 1960–1962 Total produced 98
Specifications Configuration: ​  • Whyte Bo-Bo  • UIC Bo'Bo' Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge Wheel diameter 3 ft 7 in (1.092 m) Minimum curve 4 chains (80 m) Wheelbase 39 ft 0 in (11.89 m) Length 50 ft 9 in (15.47 m) Width D6500–D6585: 8 ft 10 in (2.69 m) D6586–D6597: 8 ft 1+1⁄2 in (2.5 m) Height 12 ft 8 in (3.86 m) Loco weight 73 long tons (74.2 t) to 77 long tons (78.2 t) Fuel capacity 800 imp gal (3,600 L; 960 US gal) Prime mover Sulzer 8LDA28 Transmission DC generator, DC traction motors MU working ★ Blue Star Train heating Electric Train Heat Train brakes Dual (Air & Vacuum)
Performance figures Top speed 85 mph (137 km/h) Power output Engine: 1,550 bhp (1,156 kW) At rail: 1,215 hp (906 kW) Tractive effort Maximum: 45,000 lbf (200 kN) Continuous: 26,000 lbf (116 kN) Brakeforce 35 long tons-force (349 kN)
Career Railroad(s) British Railways Number D6500–D6597; later 33001–33065, 33101–33119, 33201–33212 Nicknames Cromptons Axle load class Route availability 6

The British Rail Class 33 also known as the BRCW Type 3 or Crompton is a class of Bo-Bo diesel locomotives ordered in 1957 and built for the Southern Region of British Railways between 1959 and 1963.

A total of 98 class 33s were built by the Birmingham Railway Carriage and Wagon Company, and they were called "Cromptons" after the Crompton Parkinson electrical equipment installed in them. ^[1] Like their lower-powered BRCW sisters (BR classes 26 and 27) their bodywork and cab ends were of all steel construction

The original (1957) number sequence was D6500–D6597. ^[2]

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