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JNR's steam locomotive D62 class

D62.jpg / 34KBytes
D62 Aug. 1965 On Shizukuishi river brige (Offered by Yuhei Minato)
This locomotive type was built to cope with the increase in freight traffic during the war. The D52's bogie was converted to a two-axle design to reduce the axle weight, allowing it to be used on lines with lower track strength. From 1950 to 1951, 20 D52s were converted into D62s at the Hamamatsu Works. It was the first locomotive with a 2-8-4 axle arrangement in Japan. Initially used on the Tokaido Line, they were later moved to the Tohoku Line, where they remained until 1966. Unfortunately, none of them are preserved.

Data of D62 class
Whell arrangment 2-8-4 Heating Surface(m2) 244.50
Loco. Weight in Working Order(t) 87.93 Loading Capacity of Water(m3) 22.0
Weight on Driving Wheels(t) 59.12 Loading Capacity of Coal(t) 10.0
Tender Weight in Working Order(t) 51.76 Height of Boiler Cube center(mm) 2,550
Max Axle Weight(t) 16.6 Length(mm) 21,105
Diameter of Driving Wheel(mm) 1,400 Height(mm) 3,982
Cylinder Dimensions(mm) 530X660 Length of Locomotive(mm) 12,330
Boiler Pressure(kg/cm2) 16.00 Length of Tender(mm) 8,775
Grate Area(m2) 3.85 Gauge 1,067mm(3'6")

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