Structure Characteristics:
　 Combined design of main and auxiliary cases; manual control in main case and pneumatic control in auxiliary case.
　 Twin-countershafts, power split, main shaft and gears on it are floating.
　 Main and auxiliary cases adopt great-circle tooth root and standard involute profile design. Scientifically designed K-shaped diagram controls tooth precision, and shot peening for treatment improves load capacity.
　 Flexible and reliable gear shifting; double H operating mechanism, you can choose single-lever or double-lever control, right or left, or two-way control.
　 We can install clutch housings and release devices according to customers demands.
　 Short axial dimension, large load capacity, reliable to use and convenient to maintenance.