China Railways YJ
| China Railways YJ 跃进型蒸汽机车 |
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| Type and origin | |
|---|---|
| Power type | Steam |
| Builder |
Jinan Railway Vehicles Equipment Co. Tangshan Railway Vehicle |
| Serial number | YJ 101-180(Tangshan Railway Vehicle) YJ 201-320(Jinan Railway Vehicles Equipment Co.) |
| Build date | 1958-1961 |
| Specifications | |
|---|---|
| Gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Driver dia. | 1,370 mm (53.94 in) |
| Length | 18.3 m (60 ft 0.5 in) |
| Tender cap. | 7 t (6.9 long tons; 7.7 short tons) (coal), 19 m3 (671 cu ft) (water) |
| Cylinders | 2 |
| Cylinder size | 530 mm × 710 mm (20.866 in × 27.953 in) 482 mm × 660 mm (18.976 in × 25.984 in)(YJ 201-250) 500 mm × 710 mm (19.685 in × 27.953 in)(YJ 251-???) bore x stroke |
| Performance figures | |
|---|---|
| Maximum speed | 60 km/h (37 mph) |
| Career | |
|---|---|
| Operators | China Railways |
The China Railways YJ(跃进) design is based on China Railways PL2 class 2-6-2, itself derived from the JF6 2-8-2, the predecessor of the well known SY class mikado. According to Chinese sources a total of 202 locos were produced between 1958 and 1961.
At least two YJs are preserved. YJ 232 is at Baotou Steelworks, YJ 269 is at Diaobingshan, Tiefa, Liaoning.
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