Gear reduction box
The PA B31 gearbox can work with powers up to 23 Kw. The ease of assembly allows a quick connection between the engine and the pump, giving rise to a compact unit entirely supported by the engine. The universal flange on the engine side allows the use of the B31 with the most common petrol engines on the market. PA gearboxes are normally used on professional petrol high pressure washers.
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