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Back British Rail Class D3/11 SIMPLE

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British Rail Class D3/11

Type and origin
Power type	Diesel-electric
Builder	Swindon Works
Order number	Swindon Lot 346
Build date	1948
Total produced	6

Specifications
Configuration:
• Whyte	0-6-0DE
• UIC	C
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Wheel diameter	4 ft 0+1⁄2 in (1.232 m)
Minimum curve	3.5 chains (70 m)
Wheelbase	11 ft 6 in (3.51 m)
Length	29 ft 1+1⁄2 in (8.88 m)
Width	9 ft 0 in (2.74 m)
Height	12 ft 5+5⁄8 in (3.80 m)
Loco weight	46.45 long tons (47.20 t)
Fuel capacity	659 imp gal (3,000 L; 791 US gal)
Lubricant cap.	65 imp gal (300 L; 78 US gal)
Coolant cap.	140 imp gal (640 L; 170 US gal)
Prime mover	English Electric 6KT
Generator	English Electric 801B
Traction motors	English Electric 506B, 2 off
MU working	Not fitted
Train heating	None
Loco brake	Air
Train brakes	None

Performance figures
Maximum speed	20 mph (32 km/h)
Power output	Engine: 350 bhp (260 kW), At rail: 194 hp (145 kW)
Tractive effort	38,500 lbf (171.3 kN)

Career
Operators	British Railways
Class	D3/11; later 3/11
Numbers	15101–15106
Axle load class	Route availability 5
Retired	1967
Disposition	All scrapped

British Rail Class D3/11 was a locomotive commissioned by the Great Western Railway, but delivered to its successor British Rail in England. It was a diesel powered locomotive in the pre-TOPS period.

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