Washer, High Pressure Washer, Gasoline High Pressure Washer manufacturer / supplier in China, offering 6.5HP Gx200 Portable Cleaning Machine 180bar 2600psi Gasoline Pressure Washer, 2, 3, 4 Inch Model Agriculture Equipment Irrigation Diesel Water Pump, 3inch 6.5HP Gasoline Honda Water Pump Irrigation Machine and so on. Karcher HD 7/20 G 6.5HP 2900PSI Petrol Pressure Washer Powered by Honda GX200 W W Karcher HD 7/20 G 6.5HP 2900PSI Petrol Pressure … $ 1795 00 Makinex DPW-4000 13HP 4000PSI Petrol Dual… * These pumps do not require the oil to be changed, the oil will last the lifetime of the pump. In the unlikely event of an oil leak, remove all oil and add the correct amount. ** If unable to find, use 30W non detergent. *** This pump requires no oil, it is an oil free pump. **** If unable to find, use 15W50 synthetic.