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São Paulo Railway No. 21 and 22
Brazil | 1882 | 2 produced
Locomotive Magazine, December 1903

The largest tank locomotives on the São Paulo Railway at the time had a 4-8-0T wheel arrangement and were called “Jumbos”. They were supplied by Avonside and were obviously intended for another railway company. So they came to this railway company in 1882 after they had been re-gauged to 5 feet and 3 inches. The first driving axle had no wheel flanges to improve running characteristics in curves.

General
Built1882
ManufacturerAvonside
Axle config4-8-0 (Twelve-wheeler) 
Gauge5 ft 3 in (Irish broad gauge)
Dimensions and Weights
Length32 ft 2 3/4 in
Wheelbase24 ft 2 in
Fuel capacitycoal
Power
Power sourcesteam
Estimated power600 hp (447 kW)
Optimal speed19 mph
Starting effort19,747 lbf
Power Plant
Driver diameter49.5 in
Boiler pressure140 psi
Expansion typesimple
Cylinderstwo, 18 1/2 x 24 in
Boiler
Calculated Values
steam locomotive
freight
tank locomotive
last changed: 07/2023
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