British Rail Class 02

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British Rail Class 02
Yorkshire Engine 2813 on Middleton Railway 94.jpeg
D2854 on the Middleton Railway in 1994
Type and origin
Power typeDiesel-hydraulic
BuilderYorkshire Engine Co.
Serial number2809–2818, 2843–2852
Build date1960–1961
Specifications
Configuration:
 • Whyte0-4-0
 • UICB
Gauge4 ft 8 12 in (1,435 mm)
Wheel diameter3 ft 4 in (1.016 m)
Minimum curve1 chain (20 m)
Wheelbase6 ft 0 in (1.83 m)
Length21 ft 11 12 in (6.693 m)
Width8 ft 6 in (2.59 m)
Height11 ft 5 14 in (3.486 m)
Loco weight28.60 long tons (29.06 t)
Fuel capacity300 imp gal (1,400 l; 360 US gal)
Prime moverRolls-Royce C6NFL176
Engine typeStraight-6 diesel
TransmissionRolls-Royce 10,000-series 3-stage twin-disc torque converter, manually operated YEC reduction and reversing final drive gearbox
Train brakesVacuum
Performance figures
Top speed19.5 mph (31.4 km/h)
Power outputEngine: 170 hp (130 kW)
At rail: 100 hp (75 kW)
Tractive effort15,000 lbf (66.7 kN) (max)
Brakeforce21 long tons-force (210 kN)
Career
Railroad(s)British Railways
Number in class20
NumberD2850–D2869; later 02001–02004
Axle load classRA 2

The British Rail Class 02 were a class of twenty 0-4-0 diesel-hydraulic shunting locomotives. They were built by the Yorkshire Engine Company in 1960 (first ten, D2850-D2859) and 1961 (D2860-D2869). They were built for use in places of restricted loading gauge and curves such as docks. They had the door to the cab at the rear, with a railed veranda behind the cab. This feature was very unusual on British Rail locomotives. It was used on many Yorkshire Engine Co. designs and was/is quite normal in North American practice.