Title:

41 Class Diesel-Electric Locomotive

Class Numbers:

4101-4110 (10 Units)

Wheel Arrangement:

Bo-Bo

Maximum Speed:

91km/h (57mph)

Builder:

Metro-Camell-BTH

First Unit in Service:

30th October 1953

Engine Model:

Paxman 12 RPHL (x2)

Engine Type:

Normally Aspirated 4 Stroke

Number of Cylinders:

12 (V Formation)

Bore & Stroke:

177mm (7") Bore / 196mm (7 3/4") Stroke

Engine RPM:

680 Idle, 1300 Max (no load)

Engine Power:

298kW (400HP) (x2)

Available for Traction:

196kW (360HP) (x2)

Max Load and Speed:
(on a 1 in 40 Grade)

280 Tonnes @ 17km/h (275 Tons @ 11mph)

Traction Generator Type:

RTB 10844

Traction Motor Type:

BTH 157 AZ

Number of Traction Motors:

4

Traction Motor Gear Ratio:

65:16

Axle Load:

20.9 Tonnes (20.5 Tons)

Total Weight:

83.6 Tonnes (82 Tons)

Wheel Arrangement:

Bo-Bo

Wheel Diameter:

1066mm (42")

Bogie Wheelbase:

2667mm (8' 9"')

Bogie Centres:

7620mm (25')

Length Over Headstocks:

13106mm (43')

Length Over Coupling Faces:

14401mm (47' 3")

Height (Max):

4267mm (14')

Width (Max):

2844mm (9' 4")

Fuel Oil Capacity:

2275 Litres (500 Gallons)

Lubricating Oil Capacity:

204 Litres (45 Gallons)

Cooling Water Capacity:

182 Litres (40 Gallons)

Sand Capacity:

0.32 Cubic Metres (11.5 Cubic Feet)

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