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Type and origin
Type and origin
Power type	Diesel-hydraulic
Builder	North British Locomotive Company
Serial number	27100–27102, 27431–27435
Build date	1953–1956
Total produced	8

British Rail Class D2/1
British Rail Class D2/1
Power type
Type and origin
Power type	Diesel-hydraulic
Builder	North British Locomotive Company
Serial number	27100–27102, 27431–27435
Build date	1953–1956
Total produced	8
Configuration:;
Specifications
Configuration:;
• Whyte	0-4-0DH
• UIC	B
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter	3 ft 6 in (1.067 m)
Loco weight	32.00 long tons (32.51 t; 35.84 short tons)
Prime mover	Paxman 6RPH
Transmission	Hydraulic, Voith
MU working	Not fitted
Train heating	None
Train brakes	None
Maximum speed
Performance figures
Maximum speed	14.5 mph (23.3 km/h)
Power output	200 bhp (149 kW)
Tractive effort	21,500 lbf (95.6 kN)
Operators
Career
Operators	British Railways
Class	DY11; later D2/1; later 2/4A
Numbers	11700-11707; D2700–D2707 from 1958 to 1960
Axle load class	Route availability 3
Withdrawn	1963–1968
Disposition	All scrapped

British Rail Class D2/1 was a locomotive commissioned by British Rail in England. It was a diesel powered locomotive in the pre-TOPS period built by the North British Locomotive Company with a Paxman engine. Eight locomotives were built and they were numbered D2700-D2707.^[1]

River Eden the shunter at RAF Leuchars was built to the same specification as the D2/1^[2] and is preserved at Fife Heritage Railway.