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Shanghai-Nanjing Railway class D
China | 1910 | 4 produced
Locomotive Magazine, August 1910

After the Class C with a 4-4-0 wheel arrangement and 6 ft 7 in wheels, the Shanghai-Nanjing Railway ordered four more locomotives that were to have even larger wheels. Using a boiler that was largely the same as that of existing classes of the company, one driving axle now had to be sufficient. Despite this, the boiler was the largest ever to be found on a British-made single-driver locomotive.

The engines were intended for express traffic as part of a large trade fair in Nanjing and should be up and running within 45 days of receipt of the order. Despite the national mourning for the death of King Edward and the Pentecost holidays, the time had come after 47 days. Their special position was underlined by the fact that they were painted in a bright yellow instead of the usual green.

General
Built1910
ManufacturerKerr, Stuart & Co.
Axle config4-2-2 (Single) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length57 ft 3 3/4 in
Wheelbase25 ft 2 in
Total wheelbase48 ft 9 in
Service weight125,552 lbs
Total weight221,088 lbs
Water capacity4,203 us gal
Fuel capacity15,680 lbs (coal)
Power
Power sourcesteam
Estimated power1,000 hp (746 kW)
Optimal speed42 mph
Starting effort15,344 lbf
Power Plant
Driver diameter84 in
Boiler pressure180 psi
Expansion typesimple
Cylinderstwo, 18 x 26 in
Boiler
Grate area28 sq ft
Firebox area182.6 sq ft
Tube heating area1,467.4 sq ft
Evaporative heating area1,650 sq ft
Total heating area1,650 sq ft
Calculated Values
steam locomotive
express
last changed: 08/2022
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