speed reducer This gearmotor is a parallel shaft heavy load industrial gearbox . Good quality, Low price,Delivery in short time ... standard gearbox.The products have been mainly used in heavy industrial fields, such as mine, petrochemical, electric power, metallurgy ... etc.HC series parallel shaft heavy-duty industrial gearboxTransmission stageHC1 (ratio from 1.25~5.6)HC2 ( ...