OEM Annovi Reverberi 7/8 Shaft 2800PSI Pressure Washer Pump RMW25G28-EZ, RMW25G28EZ Specs - Max Pressure: 2800 PSI. Max Flow: 2.5 GPM. Max Pump Speed: 3400 RPM. Shaft Size: 7/8 . 3 Bolt Pattern: 7 11/16 x 6 3/16 x 6 7/16 & 4 from center to center of each outer hole. Max Temp: 140 F. Inlet Type: 3/4 GHA. Outlet Type: 22mm x 14mm. Oil Capacity: 2.2oz. Refer to images 2 & 3 for more information Includes - (1) Pressure Washer Pump, (1) Thermal Release Valve, (1) Chemical Injector (both come installed); comes as shown in the first image (does NOT include engine shaft key or bolts) This pump is for vertical gas engine driven units. This pump mounts directly on to the engine shaft by using a keyed hollow shaft connection system. The mounting flange provides a convenient connection to most 7/8 diameter shaft vertical gas engines 5-5.5 HP Please note it is not recommended to run any pressure washer pump above its maximum PSI rating. Doing so can result in damage to the pump (not covered by warranty) and/or serious bodily injury UPC 197111297020 Color Gray Flow Rate 2.5 Gallons Per Minute Brand Name The ROP Shop Item Weight 8 Pounds Manufacturer The ROP Shop Power Source Mechanical Material Type Multiple Materials Product Style Multiple Materials Included Components Pressure Washer Pump Global Trade Identification Number 00197111297020