1）Adopt single box with twin countershaft structure, power dividing, strong loading capacity.

2）No needle roller bearing, high reliability and low failure rate, convenient maintenance.

3）Full synchronizer shifting except for reverser gear, using high friction performance material structure leads to large synchronizing capacity, flexible shifting and high reliability.

4）High fine teeth and hull helical grinding teeth to reduce friction loss, adaptive modification of tooth profile and tooth lead, more stable transmission, high efficiency and low noise

5）Light weight housing design, weight reduction design of gears and shafts

6）Short axial installation dimension and high clearance from ground，convenient for vehicle layout

7）Optimized shifting mechanism with more comfort