1. Two-stage of reduction device, options of ordinary differential and limited-slip differential. 2. The main reducer assy driven by Gleason bevel gear transmission, high in efficiency, low in noises. 3. Adopt NGW planetary reducer assy, reasonable design and compact structure. 4. Adopt whole cast steel axle shell, large in load capacity, good in rigidity. 5. Adopt hydraulic drum brake to integrating service brake and parking brake. 6. Apply to 150~240 HP tractors. 7. Mainly exported to Russia, Ukraine and etc tractor factories.