Karcher Pressure Washer. Model HDS940. Maximum discharge pressure: 1500 psi (5 gpm). Runs on natural gas. Equipped with high pressure washer pump, burner heating coils, electric motor. Necessary controls and connections for use with electricity, natural gas, or LPG, and pressurized water source. 230 vac, 30 amps. Motor: 5.0 hp, 330 gph, pressure 25 to 70 psi. (1) Inlet: 1 in. Outlet: 1 in. Overall dimensions: 44 in. L x 33 in. W x 68 in. H.