Karchers most powerful gasoline powered consumer pressure washer. The G 4000 OH is a high-performance machine designed for heavy duty use. No job is too difficult for the G 4000 OH. It has many industry-leading features, such as a 390cc Honda GX Series engine and a commercial grade brass head pump. The G 4000 OH is designed with non-corrosive tempered hardened steel pistons and a patented swash plate pump. This produces less vibration and prolonging motor life. This is the only self-priming pump in the industry that can siphon from standing water or a collected water source. Our all-new remote pressure control is exclusive to the G 4000 OH. Simply dial up the desired amount of pressure right at the wand.

Karchers most powerful gasoline powered consumer pressure washer. The G 4000 OH is a high-performance machine designed for heavy duty use. No job is too difficult for the G 4000 OH. It has many industry-leading features, such as a 390cc Honda GX Series engine and a commercial grade brass head pump. The G 4000 OH is designed with non-corrosive tempered hardened steel pistons and a patented swash plate pump. This produces less vibration and prolonging motor life. This is the only self-priming pump in the industry that can siphon from standing water or a collected water source. Our all-new remote