1) Integrated motor + reducer + 4-speed transmission, integrated countershaft design, integrated shift actuator, high reliability;

2 The system assembly is small size, low cost, high value-added products;

3) Full aluminum alloy housing, light weight, small torque-weight ratio

(4) Full helical and drum tooth design, grinding tooth processing, low noise

5）Forced lubrication by integrated oil pump in the front sub-box, better lubrication;

6) Wide range of speed ratioses, applicable to a variety of working conditions.