A hydraulic motor includes a motor mechanism that rotates by hydraulic liquid pressure led from a hydraulic liquid pressure source. The hydraulic motor includes a casing that defines a casing chamber which accommodates the motor mechanism, a brake mechanis...

The gearbox assembly has a mechanical stepped gearbox (14) and a hydrostatic gearbox (3) that is coupled to the stepped gearbox, where the hydrostatic gearbox has two hydrostatic partial gearboxes (10,11) which are connected parallel to each other with the...

A hydraulic transmission (21) has an electric actuator (86) for changing its output/input rotation speed ratio. A controller (90) of the actuator memorizes a command current value to the actuator supposing that load is not applied on the hydraulic transmis...