They push liquid out away from the pump shaft at an angle greater than 90°. Some unique dynamic pumps induce velocity in a fluid through specialized means other than an impeller. These include jet ...

The heart of these machines lies in its electronically controlled hydraulic pump system and the SSC (Spool Stroke Control) ...

The 83,776-lb. 370 X4S includes an electronically controlled hydraulic pump system and Tier 4 Final engine with 268 hp.