Zq cylindrical gearboxwith high loading capacityhigh transmission efficiencylong service lifezq cylindrical gearbox1. The gear transmission circle velocity no more than 4m/s2. The wheeling speed of high-speed axle no more than 1500r. P. M3. The reducer being applied to right to and reverse direction 9 transmission ratio, 9 installing mode and 3 low-speed axle edge type.Zq250 zq350 zq400 zq500 zq650 zq750 zq850 zq1000jzq250 jzq350 jzq400 jzq500 jzq650 jzq750 jzq850 jzq1000pm250 pm350 pm400 pm500 pm650 pm750 pm850 pm1000 Zq cylindrical gearbox1. The gear transmission circle velocity no more than 4m/s2. The wheeling speed of high-speed axle no more than 1500r. P. M3. The reducer being applied to right to and reverse direction 9 transmission ratio, 9 installing mode and 3 low-speed axle edge type.