hydraulic transmission system

English Thesaurus

1. a transmission that depends on a hydraulic system (noun.artifact)

hypernym	:	hydraulic system,
definition	:	a mechanism operated by the resistance offered or the pressure transmitted when a liquid is forced through a small opening or tube (noun.artifact)

hypernym	:	transmission, transmission system,
definition	:	the gears that transmit power from an automobile engine via the driveshaft to the live axle (noun.artifact)