British Rail Class 13

Specifications
Specifications
Configuration:;
• Whyte	0-6-0+0-6-0
• AAR	C-C
• UIC	C+C
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter	4 ft 6 in (1.372 m)
Minimum curve	3 ch (60 m)
Wheelbase	42 ft 1+1⁄2 in (12.84 m)
Length	60 ft 1 in (18.31 m)
Width	8 ft 10 in (2.69 m)
Height	12 ft 8+5⁄8 in (3.88 m)
Loco weight	120 long tons (122 t; 134 short tons)
Fuel capacity	1,336 imp gal (6,070 L; 1,604 US gal)
Prime mover	English Electric 6KT, 2 off
Generator	DC
Traction motors	EE, four off
Transmission	Diesel electric, double reduction gearing
MU working	Not fitted (except control of slave by master)
Train heating	None
Train brakes	Vacuum

Type and origin
Type and origin
Power type	Diesel-electric
Builder	British Railways Darlington Works (builder and rebuilder)
Build date	1965 (rebuilt)
Total produced	3

British Rail Class 13
British Rail Class 13
	A British Rail Class 13 at Tinsley Marshalling Yard, 1974
Power type
Type and origin
Power type	Diesel-electric
Builder	British Railways Darlington Works (builder and rebuilder)
Build date	1965 (rebuilt)
Total produced	3
Configuration:;
Specifications
Configuration:;
• Whyte	0-6-0+0-6-0
• AAR	C-C
• UIC	C+C
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter	4 ft 6 in (1.372 m)
Minimum curve	3 ch (60 m)
Wheelbase	42 ft 1+1⁄2 in (12.84 m)
Length	60 ft 1 in (18.31 m)
Width	8 ft 10 in (2.69 m)
Height	12 ft 8+5⁄8 in (3.88 m)
Loco weight	120 long tons (122 t; 134 short tons)
Fuel capacity	1,336 imp gal (6,070 L; 1,604 US gal)
Prime mover	English Electric 6KT, 2 off
Generator	DC
Traction motors	EE, four off
Transmission	Diesel electric, double reduction gearing
MU working	Not fitted (except control of slave by master)
Train heating	None
Train brakes	Vacuum
Maximum speed
Performance figures
Maximum speed	15 or 20 mph (24 or 32 km/h)
Power output	Engine: 400 hp (298 kW) × 2
Tractive effort	Maximum: 70,000 lbf (311.4 kN)
Brakeforce	37 long tons-force (370 kN)
Operators
Career
Operators	British Railways
Numbers	D4500–D4502, later 13 001–13 003
Axle load class	RA 8
Retired	1981–1985
Scrapped	1982 (13 002); 1985-6 (13 001 and 13 003)
Disposition	All scrapped

The British Rail Class 13 was a type of diesel-electric shunting locomotive. The type was designed in 1965 because of the need to provide more powerful shunters for the Tinsley Marshalling Yard. Due to Tinsley's status as a hump yard, it was not possible to use a single locomotive owing to the risk of grounding. So, to achieve the required power, a pair of Class 08 shunters were permanently coupled in 'master and slave' formation, with the slave unit having had its cab removed. Both units were then ballasted to improve traction. Initially coupled cab-to-cab, it was found more practical to couple master nose to slave cab.

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