OEM AR 1 Shaft 4000 PSI Pressure Washer Pump for MI-T-M

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Manufacturer Annovi Reverberi Himore Himore Himore Himore Himore

Shaft 7/8" 7/8" 7/8" 7/8" 3/4" 3/4"

Gallons per Minute 2.2 2.3 2.5 2.5 2.5 2.5

Max PSI/Min PSI 2400/2200 2800/2600 2600/2400 3100/2900 3000/2800 3600/3200

Orientation Vertical Vertical Horizontal Vertical Versatile Horizontal

Are pressure washer pumps interchangeable? Many pumps are. However, compatible replacement options do vary depending on your pressure washer's engine shaft diameter & engine orientation, the original pump's bolt pattern, and your engine's horsepower.

What pump do I need if my shaft has a spline/gear instead of a keyway? Your original pump was likely a strap-style (or bow tie) pump. That style isn't made anymore. However, you can remove the spline and use your model number to find a replacement pump that you'll install directly onto the shaft with a keyway.

Do I need a keyway for installation, and do your pumps come with one? Our pumps do require a keyway for installation onto the engine shaft. If a keyway is pictured in the listing, it will come with one. If you need to purchase one separately, you can do so from our catalog.

Do I need to change the oil in my pump? Many of our pumps don't require oil maintenance, but some models do need oil changes. Generally, pumps with an oil vent port will need regular oil changes. Pumps without that port are sealed units and don't need oil changes.

OEM AR 1" Shaft 4000 PSI PRESSURE WASHER PUMP for MI-T-M CA-2504-OMHB, CA-2504-OMRB Specs - Maximum Pressure: 4000 PSI. Maximum Flow: 4 GPM. Maximum Pump Speed: 3400 RPM. Shaft Size: 1". Maximum Fluid Temperature: 140° F. Inlet Type: Standard Garden Hose. Outlet Type: 3/8" Female. Oil Capacity: 13.35oz. Refer to images 2 and 3 for more information.

Includes - (1) Horizontal Pressure Washer Pump, (1) Oil Cap, (4) Bolts & (4) Lock Washers; comes as shown in the first image (does NOT include engine shaft key).

The RRV Series are designed to direct drive on gasoline engines ranging from 5-15 HP. Life tested over 500 hours at maximum performance of 4 GPM at 4,000 PSI. Intended use for medium to heavy tasks.

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.

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