JNR Class 4110

The Class 4110 (4110形) is a class of 0-10-0T steam locomotives built by the Japanese Government Railways (JGR) and designed by Hideo Shima. A total of 39 locomotives were built by Kawasaki Shipyard (present-day Kawasaki Heavy Industries) and operated on the steep sections of major trunk lines such as the Ōu Main Line.

Power typeSteam

Power typeSteam

BuilderKawasaki Shipyard

Build date1914–1918

Quick facts Class 4110, Type and origin ...

Class 4110
Type and origin Power type Steam Builder Kawasaki Shipyard Build date 1914–1918 Total produced 39
Specifications Configuration: ​  • Whyte 0-10-0T  • UIC E h2t Gauge 1,067 mm (3 ft 6 in) Coupled dia. 1,245 mm (4 ft 1.0 in) Wheelbase 5,792 mm (19 ft 0 in) ​  • Axle spacing (Asymmetrical) 1,448 mm (4 ft 9.0 in) Length 11,507 mm (37 ft 9.0 in) Height 3,787 mm (12 ft 5.1 in) Adhesive weight 65.27 t (64.24 long tons; 71.95 short tons) Fuel type coal Fuel capacity 1.78 t (1.75 long tons; 1.96 short tons) Water cap. 6.5 m3 (1,400 imp gal; 1,700 US gal) Firebox: ​  • Grate area 2.23 m2 (24.0 ft2) Boiler: ​  • Tube plates 3,962 mm (13 ft 0 in)  • Small tubes 136× 45 mm (1.8 in)  • Large tubes 21× 127 mm (5.0 in) Boiler pressure 12.7 kg/cm2 (180 psi) Heating surface: ​  • Firebox 8.9 m2 (96 ft2)  • Tubes 98.8 m2 (1,063 ft2)  • Tubes and flues 107.7 m2 (1,159 ft2)  • Total surface 140.5 m2 (1,512 ft2) Superheater: ​  • Heating area 32.8 m2 (353 ft2) Cylinders 2 Cylinder size 533 mm × 610 mm (21.0 in × 24.0 in) Valve gear Walschaerts Loco brake Steam and hand brake Train brakes Vacuum
Performance figures Power output 890 PS (650 kW; 880 hp) Tractive effort 15,030 kgf (147.4 kN; 33,100 lbf)
Career Retired 1950 (Japan) 1972–1976 (Korea) 1975–1980 (Taiwan) Withdrawn 1950 Preserved 1 Scrapped 1950 (Japan) 1969–1976 (Korea) 1975–1980 (Taiwan)
Dimensions from ja:国鉄4110形蒸気機関車

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It was based on the 4100 type design imported from the Kingdom of Bavaria in 1912 (Meiji 45, Taisho era) and followed the same format in terms of basic function.

Five members of the class were converted to standard gauge and sent to Korea, Empire of Japan in 1939, four to the Pyeongbuk Railway and one to the Danpung Railway.^[1] After the partition of Korea in 1945, these five were taken over by the Korean State Railway of North Korea. Their subsequent fate is unknown, but it was assumed they were scrapped between 1969 and 1976. Some 4110s were sent to Taiwan during the occupation period. In 1945, all were reclassified as EK900 by the Taiwan Railways. All of the EK900’s were scrapped between 1975 and 1980.