The RKV 4G37 AR Pump is designed for commercial washing applications. This style AR pump is constructed with die-cast bodies and feature a forged brass head. Internal plungers are made of thick solid ceramic and are built for long life and durability. Cooling fans engineered into the pumps housing help to keep it cool under the worst of conditions. This pump also features oversized tapered roller bearings, valve cages of special designed ultra-form provide positive seating and extended life. The one piece connecting rods are of special alloy aluminum built for strength and load disbursement.
This pump is designed to bolt right onto your current motor and uses a standard bolt pattern that match up to almost any commercial engine that support close to 390cc and have a 1 inch shaft. The most popular engines that we mount these pumps to are the Honda 13HP GX390 and the Briggs and Straton 13 HP Vangaurd Engine. This pump can also be used on the Honda 11HP GX340 but the nozzle size being used would have to be 5.0 or a 5.5.
Pump Specifications:
- Max GPM 4
- Max PSI 3700
- Max Temp 140 F
- Inlet Water (Thread Size) 1/2" M
- Outlet Water (Thread Size 3/8" M
- Oil Capacity 15 oz (Comes filled)
- 1 inch Shaft with a keyway
Other items that come with pump (Pictured)
- Four bolts and four locking washers to mount pump to the engine
- 3/8 brass plug 1/2 brass plug (pump comes with red caps over these outlets, outlets are intended for additional items such as a pressure switch or thermal relief valve.
- Vented oil dipstick (comes with red cap from factory to keep oil from spilling out during shipping)
Please note that with almost every pump that has an adjustable pressure (unloader), will have to be set to the motor that it is being installed on. If you are not sure on how to do this please contact us and we will instruct you on how to perform this task.
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