YJ280F hydraulic torque converter is developed by using the advanced manufacturing technology of Komatsu, Japan. It is the first in China to use the world's advanced technology such as coated sand with low resin sand content, hot core box and metal mold impeller casting in the field of production technology. Its structure is advanced and reasonable, and its main technical performance indicators are at the leading level in China, with reliable quality.
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The YJ280F hydraulic torque converter is a single-stage single-phase centripetal turbine hydraulic torque converter with advanced structure, reliable operation, easy to match with the host, simple to use and maintain, etc. This type of torque converter can be used for ZL15 loader.
Advantages of hydraulic transmission over mechanical transmission
◆ The hydraulic torque converter is a single-stage centripetal turbine with three components, compact structure and reliable operation.
◆ The middle section of the hydraulic torque converter and the elastic plate have various interfaces to match various engines.
◆ The hydraulic torque converter has automatic torque conversion function, is self-adaptive to external loads, can play a role in vibration reduction and vibration isolation, so as to automatically meet the requirements of engineering machinery traction conditions, and avoid engine flameout due to sudden increase in external loads, thereby increasing the service life of the engine and improving the passability and comfort of the vehicle.
◆ The gearbox and torque converter are each independent power transmission units, which are easy to maintain.
Torque converter schematic
Product Parameters
| Project | Numeric | Unit | |
| Limit input torque | 400 | N.m | |
| Rated power | 50-75 | kw | |
| Rated speed | 1800-2400 | rpm | |
| Nominal torque at zero speed | 35.2 | N.m | |
| Nominal torque under high efficiency condition | 35.7 | N.m | |
| Zero speed torque coefficient | 3.43 | ||
| Highest efficiency | 0.845 | ||
| Working oil | 6#18#Hydraulic transmission oil | ||
| Dimensions | 374×550×488 | mm | |
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