311038 High Pressure 3-Leg Vertical Mount Pump Direct Drive Rear

The 311038 is an oil filled axial cam pump used on various brands of pressure washer including Briggs & Stratton, Generac, Troy-Bilt, and various others.

This plunger pump is rated for 2.3 GPM at 2700 PSI when operated at 3400 rpm. Direct drive system provides connection to most vertical, 7/8 in. shaft engines with at least 4.3 HP.

The hollow shafted pump includes a three leg, vertical gas engine flange, a built-in pressure control valve, and chemical injection system.

The 311038 comes standard with a 22 mm-14 twist connect outlet tube, and pre-installed thermal relief valve.

Note: If the Inlet and Outlet Tubes on your current pump face the same direction as the spark plug of the engine on the pressure washer you will need to order the 318644 pump.

Service Note:

Before placing an order for a replacement pump in the Annovi Reverberi SX Series, please make sure that the inlet and outlet tubes are positioned on the opposite side of the spark plug.

Specifications:

Minimum Horsepower 4.3 HP

PSI: 2600 Max

GPM: 2.2

Inlet Port: 3/4" GH

Discharge Port: 22MM Threaded male fitting

Inlet Pressure Range: 10-60 PSI

Thermal Relief Port: 1/4" NPT

Shaft Diameter: 7/8 Inch Keyed

Flange Bolt Pattern: 3 Legged (3 bolts) 7 11/16", 6 3/16", 6 7/16"

Key Way: 3/16"

Pump Oil Capacity: 4.5 fl oz.

Head: Anodized Aluminum