Chongqing Hengtairail Equipment Co.,Ltd.
Global Rolling Stock Parts Supplier
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Products Description
The 250 kW Metro Shunting Hydrodynamic Transmission System combines the YJ409FK torque converter and RC38425 gearbox, offering high efficiency (up to 89%) and strong torque at low speeds. With wide power matching and compact design, it's ideal for reliable and smooth operation in urban rail applications.
Specification
| Product Performance | Reference Value |
| Product Model | YJ435FK |
| Cycle Diameter | 435 mm |
| Maximum Input Speed | 2400 rpm |
| Matching Power Range | 240-386 kW |
| Zero-Speed Torque Ratio | 2.63 |
| Nominal Torque at Zero-Speed Operating Condition (MBg0) | 492 N·m |
| Nominal Torque at High Efficiency Operating Condition (MBgη) | 365 N·m |
| Maximum Efficiency | 0.87 |
| Weight | 330 kg |
| Product Performance | Reference Value |
| Product Model | RC38425 |
| Cycle Diameter | 2300 N·m |
| Maximum Input Speed | 3000 rpm |
| Matching Power Range | 151-279 kW |
| Gear Ratios | 1st Gear: 4.342 |
| 2nd Gear: 2.491 | |
| 3rd Gear: 1.429 | |
| 4th Gear: 0.749 | |
| Oil Capacity | 30 L |
| Weight | 505 kg |
| Shaft Drop Distance | 508 mm |
