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Record: 10235 (26/09/2023)
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English Electric / RSH Ltd 40 1Co-Co1


Class Types
1955 Class D20/1
Pre-Tops Class 20/3
TOPS Class 40

General
Year Introduced 1958
Wheel Arrangement 1Co-Co1
Manufacturers
ManufacturerTotal
English Electric Vulcan Foundry 180
Robert Stephenson & Hawthorn Ltd 20
Number Range (as built) D200-D399
Number Built 200

Illustration
Copyright: Curly42 ()
Miscellaneous
40 97/4
Year Introduced 1958 1985
Maximum Speed 90mph
As 40
Sanding Equipment Pneumatic
As 40
Route Availability 6
As 40
Brake Type (loco - as built) Vacuum
As 40

Dimensions
40 97/4
Weight 136t 0cwt
As 40
Wheel Diameter 3' 9"
As 40
Pony Wheel Diameter 3'
As 40
Length 69' 6"
As 40
Height 12' 10"
As 40
Width 9'
As 40
Wheelbase 61' 3"
As 40
Bogie Wheelbase 21' 6"
As 40
Bogie Pivot Centres 34' 4"
As 40
Minimum Curve 4.5
As 40

Power
40 97/4
Power Unit English Electric 16SVT Mk 11
As 40
Tractive Effort 52,000lbs
As 40
Horse Power 2000hp
As 40
Power at Rail 1,550hp
As 40

Transmission
40 97/4
Transmission Type Electric Electric
Traction Motor Number 6
As 40
Gear Ratio 61:19
As 40

Heating
40 97/4
Heating Type Steam
As 40
Boiler Water Capacity 800gal
As 40

Fuel, Lubricants, Water
40 97/4
Fuel Capacity 710gal
As 40
Coolant Capacity 200gal
As 40
Lubrication Oil Capacity 140gal
As 40