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BR Derby 44 1Co-Co1


Class Types
1955 Class D23/1
Pre-Tops Class 23/1
TOPS Class 44

General
Alias Peak
Year Introduced 1958
Wheel Arrangement 1Co-Co1
Manufacturers
ManufacturerTotal
Derby Works 10
Number Range (as built) D1-D10
Number Built 10

Illustration
Copyright: BarkingBill (19/07/1965)
Miscellaneous
Year Introduced 1959
Maximum Speed 90mph
Sanding Equipment Pneumatic
Route Availability 7
Brake Type (loco - as built) Vacuum
Notes Locomotives had their steam boilers removed from the early 1960's. In the early seventies, modifications were made to the bogies to reduce the minimum curve to just 3.5 chains

Dimensions
Wheel Diameter 3' 9"
Pony Wheel Diameter 3'
Length 67' 11"
Height 12' 1018"
Width 8' 1058"
Wheelbase 59' 8"
Bogie Wheelbase 21' 6"
Bogie Pivot Centres 32' 8"

Power
Power Unit Sulzer 12LDA28A
Tractive Effort 70,000lbs
Horse Power 2300hp
Power at Rail 1,800hp

Transmission
Transmission Type Electric
Traction Motor Number 6
Gear Ratio 62:17

Heating
Heating Type Steam
Boiler Water Capacity 1,340gal

Fuel, Lubricants, Water
Fuel Capacity 840gal
Coolant Capacity 346gal
Lubrication Oil Capacity 190gal