1.Three shift transmission reduction drive, motor power input. 2.Unique climbing gear, large output torque, can work in harsh environments, such as puddles. 3.Adopt friction pressure plate type brake, large brake torque, good braking effect. 4.Easy manipulation, improve the reliability and service life, greatly reduce the labor intensity. 5.Adopt the bearing, oil seal and other key parts from domestic famous brand, long life service. 6.Suitable for the large grain combine harvester with 140-180 horsepower, such as corn harvester, soybean harvester, wheat harvester, silage maize harvester etc.