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. They were designed by Hideo Shima and rebuilt at Hamamatsu Works between 1950 and 1951.
| JNR Class D62 |
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| Type and origin |
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| Power type | Steam |
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| Designer | Hideo Shima [Formerly D52s] |
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| Rebuilder | JNR Hamamatsu Works |
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| Rebuild date | March 1st 1950 – March 31st 1951 |
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| Number rebuilt | 20 |
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| Specifications |
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Configuration:
| |
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| • Whyte | 2-8-4 |
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| • UIC | 1′D2′ h2 |
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| Gauge | 1,067 mm (3 ft 6 in) |
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| Driver dia. | 1,400 mm (55+1⁄8 in) |
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| Adhesive weight | 64 tonnes (63 long tons; 71 short tons) |
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| Loco weight | 88 tonnes (87 long tons; 97 short tons) |
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| Firebox: | |
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| • Grate area | 3.9 square metres (42 sq ft) |
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| Boiler pressure | 16.0 kg/cm2 (1.57 MPa; 228 psi) |
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| Heating surface | 167 m2 (1,800 sq ft) |
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Superheater:
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| • Heating area | 78 m2 (840 sq ft) |
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| Cylinders | Two, outside |
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| Cylinder size | 550 mm × 660 mm (21+5⁄8 in × 26 in) |
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| Performance figures |
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| Maximum speed | 85 Km/h (52 Mph) |
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| Tractive effort | 190.196 kN (42,758 lbf) |
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20 Class D62s were rebuilt from the earlier World War 2 built Class D52, which had a 2-8-2 wheel arrangement.[1]
List of D62 locomotives
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- D62 1 rebuilt from D52 358 (March 1st 1950)
- D62 2 rebuilt from D52 448 (March 2nd 1950)
- D62 3 rebuilt from D52 401 (April 3rd 1950)
- D62 4 rebuilt from D52 450 (May 4th 1950)
- D62 5 rebuilt from D52 449 (June 5th 1950)
- D62 6 rebuilt from D52 42 (July 6th 1950)
- D62 7 rebuilt from D52 344 (August 7th 1950)
- D62 8 rebuilt from D52 366 (September 19th) 1950
- D62 9 rebuilt from D52 94 (October 1st-20th 1950)
- D62 10 rebuilt from D52 132 (November 3rd-30th 1950)
- D62 11 rebuilt from D52 337 (January 1st-5th 1951)
- D62 12 rebuilt from D52 397 (January 6th-15th 1951)
- D62 13 rebuilt from D52 211 (January 19th-23rd 1951)
- D62 14 rebuilt from D52 334 (February 1st-8th 1951)
- D62 15 rebuilt from D52 377 (February 12th-19th 1951)
- D62 16 rebuilt from D52 338 (February 25th-March 1st 1951)
- D62 17 rebuilt from D52 343 (March 2nd-March 6th 1951)
- D62 18 rebuilt from D52 360 (March 15th-March 20th 1951)
- D62 19 rebuilt from D52 339 (March 21st-March 24th 1951)
- D62 20 rebuilt from D52 462 (March 25th-31st 1951)
No examples of the class have been preserved.[2]
