The reference for locomotives and railcars


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Taff Vale class 75
Great Britain | 1859 | 44 produced
No. 50 “Gelly Gaer”
No. 50 “Gelly Gaer”
Locomotive Magazine, December 1910

Joseph Tomlinson developed a goods locomotive with the wheel arrangement 0-6-0 and double frames for the Taff Vale. A total of 44 were built by Taff Vale's own workshops in Cardiff and by several other manufacturers.

Rebuilt to 0-4-4T
Rebuilt to 0-4-4T
Locomotive Magazine, December 1910

Under Tom Hurry Riches, four of these locomotives were rebuilt to passenger tank locomotives with the wheel arrangement 0-4-4T. This conversion resulted from the elimination of the third driving axle, the installation of coal and water tanks and the addition of a trailing bogie

ManufacturerCardiff, Hawthorn, Leslie & Co., Kitson & Co., Slaughter, Grüning & Co.
Axle config0-6-0 (Six-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Service weight71,680 lbs
Adhesive weight71,680 lbs
Total weight138,292 lbs
Axle load23,900 lbs
Water capacity1,681 us gal
Fuel capacitycoal
Power sourcesteam
Estimated power250 hp (186 kW)
Optimal speed13 mph
Starting effort12,070 lbf
Power Plant
Driver diameter56.3 in
Boiler pressure130 psi
Expansion typesimple
Cylinderstwo, 16 x 24 in
Grate area14 sq ft
Firebox area79.4 sq ft
Tube heating area822.6 sq ft
Evaporative heating area902 sq ft
Total heating area902 sq ft
Calculated Values
steam locomotive
tank locomotive
Joseph Tomlinson
last changed: 05/2023

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