gearbox large power,large loading capacity. 1) H ... -angle shaft modes andhorizontal, vertical mounting modes. Variety of components is reducible, the numberof reducer's mode is ... augmentable.3) Adpot absorbenthousing's structure and lager surface of housing , big fan reduce temperature and noise,advanced ... , swing base-mounted, torque-arm-mounted.7) H.B series include sizes 1-22, number of stages is 1-4, ...