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Great Southern & Western class 900
Inchicore class A1
Ireland | 1915 | 2 produced
Locomotive Magazine, November 1915

In 1915, the Great Southern & Western had number 900 built in Inchicore as a banker locomotive for the incline between Kingsbridge and Clondalkin. It had a 4-8-0T wheel arrangement, making it the only Irish broad gauge locomotive to have four coupled axles. It had inside cylinders, a Belpaire firebox and some common parts with the classes 362 and 368.

Locomotive Magazine, November 1918

In 1924 an identical locomotive was built with the number 901. In reality, however, it turned out that they easily derailed in marshalling yards with tight curves. Number 900 was soon rebuilt into a 4-6-2T by removing the coupling rods to the last axle, but this did not have the desired effect. It was withdrawn in 1928 and the 901 in 1931 because they did not perform roles for which there were no other suitable locomotives.

General
Built1915, 1924
ManufacturerInchicore
Axle config4-8-0 (Twelve-wheeler) 
Gauge5 ft 3 in (Irish broad gauge)
Dimensions and Weights
Length37 ft 10 3/4 in
Wheelbase29 ft 1 in
Fixed wheelbase15 ft 3 in
Service weight180,320 lbs
Adhesive weight147,840 lbs
Axle load36,400 lbs
Water capacity1,801 us gal
Fuel capacity7,840 lbs (coal)
Power
Power sourcesteam
Estimated power800 hp (597 kW)
Optimal speed19 mph
Starting effort26,296 lbf
Power Plant
Driver diameter54.5 in
Boiler pressure175 psi
Expansion typesimple
Cylinderstwo, 19 1/4 x 26 in
Boiler
Grate area24.8 sq ft
Firebox area138.5 sq ft
Tube heating area1,426.5 sq ft
Evaporative heating area1,565 sq ft
Total heating area1,565 sq ft
Calculated Values
steam locomotive
tank locomotive
freight
switcher
last changed: 03/2024
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