British Rail Class 41 (Warship Class)

Specifications
Specifications
Configuration:;
• UIC	(A1A)(A1A)
• Commonwealth	A1A-A1A
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter	Driving: 3 ft 7 in (1.092 m); Carrying: 3 ft 3+1⁄2 in (1.003 m)
Wheelbase	50 ft 0 in (15.24 m)
Length	65 ft 0 in (19.81 m)
Width	8 ft 8 in (2.64 m)
Height	12 ft 10 in (3.91 m)
Loco weight	117 long tons (119 t; 131 short tons)
Fuel capacity	800 imp gal (3,600 L; 960 US gal)
Prime mover	2 × NBL-MAN L12V 18/21S
Engine type	V12 Diesel
Transmission	Hydraulic, Voith L306r
MU working	■ Orange Square
Train heating	Steam
Train brakes	Vacuum

Type and origin
Type and origin
Power type	Diesel-hydraulic
Builder	North British Locomotive Co.
Serial number	27660–27664
Build date	1958–1959
Total produced	5

British Rail Class 41
British Rail Class 41
	D600 'Active' at Reading in 1959
Power type
Type and origin
Power type	Diesel-hydraulic
Builder	North British Locomotive Co.
Serial number	27660–27664
Build date	1958–1959
Total produced	5
Configuration:;
Specifications
Configuration:;
• UIC	(A1A)(A1A)
• Commonwealth	A1A-A1A
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter	Driving: 3 ft 7 in (1.092 m); Carrying: 3 ft 3+1⁄2 in (1.003 m)
Wheelbase	50 ft 0 in (15.24 m)
Length	65 ft 0 in (19.81 m)
Width	8 ft 8 in (2.64 m)
Height	12 ft 10 in (3.91 m)
Loco weight	117 long tons (119 t; 131 short tons)
Fuel capacity	800 imp gal (3,600 L; 960 US gal)
Prime mover	2 × NBL-MAN L12V 18/21S
Engine type	V12 Diesel
Transmission	Hydraulic, Voith L306r
MU working	■ Orange Square
Train heating	Steam
Train brakes	Vacuum
Maximum speed
Performance figures
Maximum speed	90 mph (145 km/h)
Power output	Engines: 1,000 bhp (746 kW) × 2
Tractive effort	Maximum: 50,000 lbf (222 kN); Continuous: 39,600 lbf (176 kN)
Brakeforce	88 long tons-force (877 kN)
Operators
Career
Operators	British Railways
Numbers	D600–D604
Nicknames	"Warships”
Retired	December 1967
Disposition	All scrapped

The British Rail Class 41 diesel-hydraulic locomotives were built by the North British Locomotive Company in Glasgow during 1957 and 1958. Although they were withdrawn before TOPS was introduced, British Rail classified them as Class 41. All were named after Royal Navy vessels, hence the nameplates each bore a subtitle "Warship Class".

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