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Natal Government Railways class C 4-8-2T
South African class H2
South Africa | 1909 | more than 8 produced
South African Railways

The first of the 101 units of the NGR Class C 4-10-2T, the so-called “Reid Tenwheelers”, were moved to shunting service just ten years after they were put into service. With the tighter curves there, it was quickly noticed that the five coupled axles were an obstacle. Thus, starting in 1909, the fifth coupled axle was removed from a total of five locomotives. The resulting locomotives with the wheel arrangement 4-8-2T were still designated as Class C by the NGR.

After the formation of South African Railways, the original locomotives became the class H and the rebuilt ones became the H2. Three more were rebuilt by the SAR and also redesignated to class H2. Others were later rebuilt, but continued to be referred to as class H. In 1964, 14 of the rebuilt locomotives were still in service. A few were used in the Durban area until 1977, as they fit better under the old coaling appiances there than other steam locomotives.

General
Built1909-1912
ManufacturerDübs & Co., NGR, SAR
Axle config4-8-2 (Mountain) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length37 ft 6 in
Wheelbase30 ft 6 in
Fixed wheelbase12 ft 6 in
Service weight152,320 lbs
Adhesive weight116,470 lbs
Axle load29,123 lbs
Water capacity2,258 us gal
Fuel capacity8,960 lbs (coal)
Power
Power sourcesteam
Estimated power750 hp (559 kW)
Optimal speed15 mph
Starting effort32,219 lbf
Power Plant
Driver diameter45 in
Boiler pressure175 psi
Expansion typesimple
Cylinderstwo, 19 x 27 in
Boiler
Grate area21 sq ft
Firebox area135 sq ft
Tube heating area1,359 sq ft
Evaporative heating area1,494 sq ft
Total heating area1,494 sq ft
Calculated Values
steam locomotive
switcher
tank locomotive
last changed: 06/2023
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