Product Introduction:

The intermediate axle final drive and rear axle final drive are complete assemblies used in the XCMG QY50K truck crane chassis. They are key driveline components that house the gear sets, differential, and bearings within the axle housing to transmit power from the driveshaft to the wheels.

1. Installation Location
The intermediate axle final drive is installed in the middle axle housing, and the rear axle final drive is installed in the rear axle housing. The vehicle wheelbase is 1470+4105+1350 mm, with front track of 2304 mm and rear track of 2075 mm. These assemblies are mounted at the center of each axle, connecting the driveshaft input to the axle shafts.

2. Function
Each final drive assembly reduces the rotational speed from the driveshaft and multiplies torque, transferring power to the wheels through the axle shafts. The assemblies also house the differential mechanism to allow speed difference between left and right wheels during turning. The vehicle has a rated load distribution of 8245 kg on the first and second axles and 26000 kg on the tandem rear axles.

3. Maintenance and Service
These assemblies contain precision gears, bearings, and seals. If unusual noise, vibration, or oil leakage occurs, a full inspection is required. Internal repairs require specialized tools and proper adjustment of bearing preload, gear backlash, and tooth contact pattern. The assembly should be serviced by qualified technicians. When replacing a complete assembly, ensure all mounting bolts are torqued to specification and the assembly is compatible with the specific QY50K model.

4. Important Notes
Always verify the part numbers for the intermediate and rear axle final drive assemblies match the original specifications for the XZJ5416JQZ50K (QY50K) model. Proper lubricant level and grade should be maintained. After installation, check for oil leaks and listen for unusual noise during initial operation.