SStructure Characteristics: Combined design of main case and auxiliary case. Because of twin countershafts, the power is well distributed, unique structure. First speed ratio is big (14.58) and a strong climbing ability. Rational speeds arrangement, small ratio steps, high efficiency and good fuel efficiency . Single H operating mechanism, clear speeds arrangement, easy and flexible gear shifting. Optimized gear design, large load capacity, long service longevity and low noise . Various ways of power take-off, PTOs can be equipped on all positions. Various ways of controlling, you can choose single-lever, double-lever or direct control.