The British Rail Class 09 reference article from the English Wikipedia on 24-Apr-2004
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British Rail Class 09

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CLASS 09/0

BR Class 09/0
TOPS numbers 09 001-09 026
Early numbers D3665-D3671
D3719-3721
D4099-4114
Builder BR Darlington
Introduced 1955-57
Wheel arrangement 0-6-0
Weight 49 t 0 cwt
Height 12 ft 8 5/8 in 3.88 m
Width 8 ft 6 in 2.59 m
Length 29 ft 3 in 8.92 m
Wheel diameter 4 ft 6 in 1.37 m
Wheel Base 5 ft 9 in + 5 ft 9 in 1.75 + 1.75 m
Minimum radius
Maximum speed 27.5 mph 44 km/h
Engine output 350 hp 260 kW
Tractive effort (max) 26,000 lbf 116 kN
Tractive effort (continuous) 8,800 lbf at 11.6 mph 39 kN at 19 km/h
Brake type Vacuum
later Dual and Air only
Brake force 19 te (what does 'te' mean?)
Route availability 5
Fuel tank 668 (imperial?) gal 3036 L (if imperial gallons)
Heating type None

Class 09, later 09/0, locomotives were modified from Class 08 locomotives and were re-geared to give a maximum top speed of 27.5 mph (44 km/h) at the expense of a lower tractive effort. They operated in the Southern Region

The Class became sub-class 09/0, when further locomotives from class 08 were modified in 1992 to form Classes 09/1 and 09/2.

The engine is a English Electric 6-cyl, 4-stroke, 6KT. Traction motors are 2 x EE 506 motors with double reduction gear drive. The Main Generator is an EE 801.

There were variations, which were given the following TOPS design codes:

CLASSES 09/1 & 09/2

These locomotives were modified from Class 08 in 1992. TOPS numbers were 09 101 – 09 107 and 09 201 – 09 205. The design codes were as follows: