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Record: 10408 (31/12/2024)
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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 |
|
Number Range (as built) |
D1-D10 |
Number Built |
10 |
|
|
|
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
Weight |
138t 0cwt |
Wheel Diameter |
3' 9" |
Pony Wheel Diameter |
3' |
Length |
67' 11" |
Height |
12' 101⁄8" |
Width |
8' 105⁄8" |
Wheelbase |
59' 8" |
Bogie Wheelbase |
21' 6" |
Bogie Pivot Centres |
32' 8" |
Minimum Curve |
5 |
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 |
|