Belt Driven Pressure Washer Vs Direct Drive

Direct drive pumps allow for a more compact designed pressure washer.

Belt driven pressure washer vs direct drive.

This combined with the lower rpm of the belt drive pump allows the pump to run much cooler than a direct drive pump. Turn a direct drive pump at 3450 rpm or 1725 rpm. A belt driven pressure washer s pumps run on a gear reduction pulley system allowing pumps to turn at a lower rpm revolutions per minute than a direct drive pump. The belt drive pump crankcase has a larger oil capacity.

Direct drive pressure washer. Pressure pro professional 3000 psi gas hot water super skid belt drive pressure washer w electric start honda gx 390 engine cat pump model. The pump is isolated from the heat of the engine or motor also. A belt drive pump has a pulley mounted to its solid shaft and is driven by one or more belts that are attached to a pulley on the motor or engine.

Heavy use pressure washer applications will demand a belt driven pump. In direct drive pressure washer the pump is mounted directly to the engine whereas in a belt drive pressure washer the engine drives the pump by turning a belt. Benefits of direct drive compact design lower acquisition cost. Instead the pump is attached directly to the motor.

Heat is the number one killer of seals in a pump. The reason they are better is that there is less heat transfer from the engine to the pump resulting in less wear and tear on the pump s seals. At any rate direct drive pressure washer does not use a series of belts and gears like the belt drive pressure washer. The pulley system allows these pumps to turn at a much lower rpm than a direct drive pump typically 900 1400 rpm.

This reduces the heat and vibration and lessens the wear and tear associated with consistent use.