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D 4113 / 09025
TECHNICAL INFORMATION & DATA
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Vital statistics of these locomotives were -
B.R. Diagram (1965 edition): DE/360/2 (VacuumBrake), DE/360/5 (Dual brake)
Power plant: English Electric 6KT, 6 cylinder, 4 stroke diesel engine, 400hp at 680 rpm
Main generator: English Electric 801
Traction motors : (two) English Electric 506, nose suspended with double reduction gearing,
gear ratio 23.9 to 1 (this class only),
Maximum tractive effort : 25,000lbs at 22.8% adhesion at 1,000 amps main generator
Continuous tractive effort: 8,700lbs at 11.6mph at 465 amps main generator
Rail Horse Power at continuous rating : 269 horse power
Full engine output available between 0 and 9.4mph
Brake force : 66.2% of locomotive weight in working order.
Maximum permitted service speed : 27.5mph
Minimum radius curve dead slow without gauge widening: 3 chains
Fuel tank capacity : 668gallons.
Wheelbase: Ilft 6in.
Driving wheel diameter at rail: 4ft 6in.
Length over buffers : 29ft 3in.
Total weight in working order: 49 tons.
Weight empty: 45tons.
Unsprung weight: 11 tons 7cwt.
Maximum width: 8ft 6in over platforms
Maximum height: 12ft 8 5/8in.
Note most of this class were fitted with high level air brake pipes when converted from vacuum only to dual brake, so as to simplify coupling to S.R. type multiple unit stock, but D4113 was not provided with this feature presumably because it was not allocated to the Southern Region at that time. Confirmation of this would be gratefully received.