F series parallel shaft gearboxes is a fundamental component of the power transmission system of many types of agricultural machinery.And its output mode is parallel shaft.They are widely used in many industry areas,and there are four basic models of parallel shaft gear reducers, which are: F type, FF type, FAF type, and FA type. In terms of models, from F27 reducer to F157 reducer, the motors with different powers ranging from 0.12KW to 200KW can be matched,superior performance, efficiency up to 95% and more popular.