JNR Class D62

JNR Class D62

Type and origin Power type Steam Rebuild date March 1950 – March 1951 (from JNR Class D52) Number rebuilt 20

Specifications Configuration 2-8-4 UIC class 1′D2′ h2 Gauge 1,067 mm (3 ft 6 in) Driver dia. 1,400 m (55,118 ^1⁄8 in) Adhesive weight 64 tonnes (63 long tons; 71 short tons) Loco weight 88 tonnes (87 long tons; 97 short tons) Firebox:  • Firegrate area 3.9 square metres (42 sq ft) Boiler pressure 16.0 kg/cm^2 (1.57 MPa; 228 psi) Heating surface 167 m^2 (1,800 sq ft) Superheater: ​  • Heating area 78 m^2 (840 sq ft) Cylinders Two, outside Cylinder size 550 mm × 660 mm (21 ^5⁄8 in × 26 in)

Performance figures Tractive effort 190.196 kN (42,758 lbf)

Career Operators Japanese National Railways Numbers D62 1 – D62 20 Disposition All scrapped

The Class D62 (D62形) is a type of 2-8-4 wheel arrangement steam locomotive built by the Japanese National Railways (JNR) in 1950 and 1951.

20 Class D62s were rebuilt from the earlier Class D52, which had a 2-8-2 wheel arrangement.^[1] Following the launch of the Class D62, other 2-8-2 locomotives (Class D50 and Class D51) were also converted to 2-8-4, becoming Class D60 and Class D61, respectively.

Preservation

No examples of the class have been preserved.^[2]

In popular culture

The D62 is the model upon which the Transformers character Astrotrain is based.^[3]

See also

• Japan Railways locomotive numbering and classification

References

1. Inoue, Kōichi (1999). 国鉄機関車辞典 [JNR Locomotive Encyclopedia] (in Japanese). Japan: Sankaido. p. 63. ISBN 4-381-10338-6.
2. Sasada, Masahiro (September 2012). 国鉄&JR保存車大全 [JNR & JR Preserved Rolling Stock Complete Guide] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. ISBN 978-4863206175.
3. "The Transformers Collection TFC #11 G1 Astrotrain Triple Changer Action Figure by Takara Tomy - Shop Online for Toys in the United States". Fishpond.com. Retrieved 2015-05-27.