This model is applied to 10--12T hydraulic excavator, all kinds of hydraulic open- circuit equipment, hydraulic industrial equipment and concrete machinery. It has the characteristics of high power density, strong self-priming ability, long life and low noise and so on. Through shaft swash plate type variable axial piston pump, and the mainly controlling methods are including: positive flow control, negative flow control, constant power control, pressure cut-off control and load sensitive control and other control modes .

Through shaft swash plate type variable axial piston pump, and the mainly controlling methods are including: positive flow control, negative flow control, constant power control, pressure cut -off control and load sensitive control and other control modes . It has the characteristics of high power density, strong self-priming ability, long life and low noise and so on.