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Commonwealth Railways class C
Australia | 1938 | 8 produced
C63 with a freight train
C63 with a freight train
John L Buckland

After the train weights on the Trans-Australian Railway had increased in the 1930s and the line was extended to include a branch to Port Pirie, the existing class G passenger locomotives reached their limits. Even the retrofitting of seven units with superheaters could not solve the problem, so that additional engines

were necessary. Eight heavier locomotives were therefore ordered from Walkers Limited, which were again based on the New South Wales Government Railways class C36 built from 1925. The locomotives themselves were again taken over almost unchanged, but significantly heavier tenders with six axles were attached.

These locomotives were built by Walkers Limited of Maryborough, Queensland and were delivered in four months in early 1938. They were used on the Trans-Australian Express right from the start and replaced the previously used Class Ga locomotives within a very short time. The main reason was that they covered the distance in ten hours less. During the major strikes in the coal industry in 1949, four engines were temporarily converted to oil firing. The introduction of the GM class diesel locomotives from 1951 ensured that the C class steam locomotives were phased out at the same time as their predecessors. After the last one had served its purpose in 1957, all pieces fell victim to the scrap press. Only the large tenders survived into the 1980s, as they were used as water tanks for weed-killing trains.

General
Built1938
ManufacturerWalkers
Axle config4-6-0 (Ten-wheeler) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Total wheelbase81 ft
Total weight463,680 lbs
Water capacity12,180 us gal
Fuel capacity39,200 lbs (coal)
Power
Power sourcesteam
Estimated power1,500 hp (1,119 kW)
Optimal speed31 mph
Starting effort30,498 lbf
Power Plant
Driver diameter69 in
Boiler pressure180 psi
Expansion typesimple
Cylinderstwo, 23 x 26 in
Boiler
Grate area30.5 sq ft
Firebox area190 sq ft
Tube heating area1,765 sq ft
Evaporative heating area1,955 sq ft
Superheater area650 sq ft
Total heating area2,605 sq ft
Calculated Values
steam locomotive
passenger
last changed: 03/2022
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