British Rail Class 02
D2854 on the Middleton Railway in 1994
Type and origin Power type Diesel-hydraulic Builder Yorkshire Engine Co. Serial number 2809–2818, 2843–2852 Build date 1960–1961
Specifications Configuration: ​  • Whyte 0-4-0  • UIC B Gauge 4 ft 8 1⁄2 in (1,435 mm) Wheel diameter 3 ft 4 in (1.016 m) Minimum curve 1 chain (20 m) Wheelbase 6 ft 0 in (1.83 m) Length 21 ft 11+1⁄2 in (6.693 m) Width 8 ft 6 in (2.59 m) Height 11 ft 5+1⁄4 in (3.486 m) Loco weight 28.60 long tons (29.06 t) Fuel capacity 300 imp gal (1,400 L; 360 US gal) Prime mover Rolls-Royce C6NFL176 Engine type Straight-6 diesel Transmission Rolls-Royce 10,000-series 3-stage twin-disc torque converter, manually operated YEC reduction and reversing final drive gearbox Train brakes Vacuum
Performance figures Top speed 19.5 mph (31.4 km/h) Power output Engine: 170 hp (130 kW) At rail: 100 hp (75 kW) Tractive effort 15,000 lbf (66.7 kN) (max) Brakeforce 21 long tons-force (210 kN)
Career Railroad(s) British Railways Number in class 20 Number D2850–D2869; later 02001–02004 Axle load class RA 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.

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