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Japanese Government Railways class 4110
Taiwanese State Railway class EK900
Japan | 1914
39 produced
Bibai Railway No. 2 in August 2005 in Tomei
Bibai Railway No. 2 in August 2005 in Tomei
Alt_winmaerik

In 1912, the Japanese state railways received four class 4100 tank locomotives from Maffei in Germany. Two years later, Kawasaki had more locomotives made that were more or less copies. Differences lay in a larger grate but smaller firebox heating surface. After 30 locomotives were built, the boiler got an additional flue with an additional superheater element.

In Japan, the locomotives were only used until 1950. Five were taken to Korea in 1939, where they later remained in service as part of the North Korean Railways until 1976. Some locomotives also came to Taiwan, these were scrapped by 1980.

Variant4110-41394140-4148
General
Built19141917
ManufacturerKawasaki
Axle config0-10-0T (Ten-coupled) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length37 ft 9 1/16 in
Wheelbase18 ft 11 15/16 in
Service weight143,896 lbs
Adhesive weight143,896 lbs
Axle load28,770 lbs
Water capacity1,717 us gal
Fuel capacity3,924 lbs (coal)
Boiler
Grate area24 sq ft
Firebox area96 sq ft
Tube heating area1,063.5 sq ft1,936.3 sq ft
Evaporative heating area1,159.5 sq ft2,032.3 sq ft
Superheater area344 sq ft360.4 sq ft
Total heating area1,503.5 sq ft2,392.7 sq ft
Variant4110-41394140-4148
Power Plant
Driver diameter49 in
Boiler pressure180 psi
Expansion typesimple
Cylinderstwo, 21 x 24 in
Power
Power sourcesteam
Indicated power878 hp (655 kW)
Optimal speed17 mph
Top speed34 mph
Starting effort32,972 lbf
Calculated Values
steam locomotive
freight
switcher
last changed: 07/2023
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