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Madras & Southern Mahratta No. 500 to 503
India | 1925
4 produced
flickr/Historical Railway Images
Locomotive Magazine, July 1925

In 1925, the Madras & Southern Mahratta Railway got four 4-8-0 locomotives for their metre-gauge network which had been designed by Messrs. Rendel, Palmer & Tritton. They were built by W.G. Bagnall and got the numbers 500 to 503. Some visible features were the inclined cylinders, the Belpaire firebox and steam pipes which were partly external. Despite an axle load of only 8.7 tons, they had a good power to weight ratio. Also the tenders were relatively light, partly due to their rigid frame without the extra weight of bogies

General
Built1925
ManufacturerW.G. Bagnall
Axle config4-8-0 (Twelve-wheeler) 
Gauge3 ft 3 3/8 in (Meter gauge)
Dimensions and Weights
Length52 ft 4 15/16 in
Wheelbase20 ft 6 in
Rigid wheelbase12 ft
Total wheelbase42 ft 2 3/4 in
Empty weight86,576 lbs
Service weight95,648 lbs
Adhesive weight77,280 lbs
Total weight161,056 lbs
Axle load18,704 lbs
Water capacity3,183 us gal
Fuel capacity10,080 lbs (coal)
Boiler
Grate area16.6 sq ft
Firebox area124 sq ft
Tube heating area785 sq ft
Evaporative heating area909 sq ft
Superheater area150 sq ft
Total heating area1,059 sq ft
Power Plant
Driver diameter43 in
Boiler pressure160 psi
Expansion typesimple
Cylinderstwo, 17 x 22 in
Power
Power sourcesteam
Estimated power750 hp (559 kW)
Optimal speed24 mph
Starting effort20,109 lbf
Calculated Values
steam locomotive
passenger
freight
last changed: 10/2024
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