... piston motor, for the Kawasaki Staffa HMC Hydraulic Motor of Dual Displacement HMC080, HMC100, HMC125, HMC200, HMC270, HMC325 series. ... The HMC series dual displacement models have two pre-set displacements which can be ... application requirements. The displacements are hydraulically selected by a directional control valve which can be remote from, or mounted ...