The HT6D is a portable unit which is capable of supplying hydraulic power to control various tools. Through an integration with a Yanmar air-cooled diesel engine and a gear-type hydraulic pump, the unit is made fitted for driving slim-line borehole pump. A system relief and pressure control valve are provided along with a liquid loaded pressure gauge. It is built with a spin-on return filter integrated with an indicator and an automatic engine safety shutdown features. It offers different selection including several hydraulic circuit and others.