Petroleum (Petrol) Threaded Pressure Washer Pump

A petrol (gasoline) threaded pressure washer pump is a high-pressure pump designed to bolt directly onto a petrol engine shaft (usually 5/8", 3/4", or 1") using a threaded or keyed connection. These are common in portable pressure washers powered by engines like Honda GX160, Honda GX200, or similar 5.5–7.5HP units. What It Looks Like Key Features Threaded shaft / direct drive Screws or mounts directly onto the engine crankshaft (no belts needed). High pressure output Typically: 150–220 bar (2200–3200 PSI) Flow rate: 6–15 L/min Pump types Axial cam pump – cheaper, compact, common for light/medium use Triplex plunger pump – heavy-duty, longer lifespan, repairable