British Rail Class 22

North British Type 2 diesel-hydraulic British Rail Class 22
D6343 with Hymek D7072 at Old Oak Common, 1965.
Type and origin Power type Diesel-hydraulic Builder North British Locomotive Company Build date 1959–1962 Total produced 58
Specifications Configuration: ​  • Whyte B-B  • UIC B'B' Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge Wheel diameter 3 ft 7 in (1.092 m) Wheelbase 31 ft 6 in (9.60 m) Length 46 ft 8+1⁄2 in (14.237 m) Width 8 ft 8 in (2.64 m) Height 12 ft 10 in (3.91 m) Loco weight D6300–D6305: 68 long tons (69.1 t) D6306–D6357: 65 long tons (66.0 t) Fuel capacity 450 imp gal (2,000 L; 540 US gal) Prime mover MAN L12V18/21A or 21B Transmission Hydraulic: Voith LT306r MU working D6300–D6305: ■ Orange square D6306–D6357: ◆ White diamond Train heating 1,000 pounds (450 kg) per hour steam generator Train brakes Vacuum
Performance figures Top speed 75 mph (121 km/h) Power output Engine: 1,000 hp (746 kW) or 1,100 hp (820 kW) Tractive effort Maximum: 40,000 lbf (177.9 kN)
Career Railroad(s) British Railways Number D6300–D6357 Nicknames Baby Warship Axle load class GWR: ●Yellow BR: Route availability 4 Retired 1967–1972 Disposition All scrapped

The British Rail Class 22, originally called the North British Type 2 diesel-hydraulic, was a class of diesel-hydraulic locomotives designed for the Western Region of British Railways and built by North British Locomotive Company. They were very similar in appearance to the Class 21 diesel-electrics. The Class 22 was nicknamed "Baby Warship" because of its similarity to the British Rail Class D20/2.

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Category:Locomotives by builder