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Interpump WS251 Pump, VRT3 Unloader and RS500 Gearbox Assembly - 250 Bar / 3625 Psi - 15lpm

Interpump WS251 Pump, VRT3 Unloader and RS500 Gearbox Assembly - 250 Bar / 3625 Psi - 15lpm

Pump and gearbox assembly - provides 15 litres per minute at 250 Bar / 3625 Psi max pressure. Requires 10 Hp / 7.35 kW of power. Fits a 1" / 25.4mm hollow shaft with a SAE J609 A-B Flange. Suitable for Honda GX390K1QX engines. The pump has a 3/4" BSP Female inlet, M22 male outlet on the VRT3 unloader valve with a return to tank outlet, and featues an inline inlet filter, return to tank bypass barb and easy-start valve.

MPN: S400-1003
Our Price: £613.46 excl VAT
Our Price: £613.46 inc VAT
Free Delivery

Please call for ETA on Pressure Washers, most are on a next day service but some can be 5 working days. Parts and accessories ordered before 2:30pm are usually dispatched the same day by the UK distributor, using next working day delivery or first class post on Mondays to Fridays.

Interpump WS251 Pump, VRT3 Unloader and RS500 Gearbox Assembly - 250 Bar / 3625 Psi - 15lpm

Pump and gearbox assembly - provides 15 litres per minute at 250 Bar / 3625 Psi max pressure. Requires 10 Hp / 7.35 kW of power. Fits a 1" / 25.4mm hollow shaft with a SAE J609 A-B Flange. Suitable for Honda GX390K1QX engines. The pump has a 3/4" BSP Female inlet, M22 male outlet on the VRT3 unloader valve, and featues an inline inlet filter, return to tank bypass barb and easy-start valve.

  • 15 Lpm - 250 Bar / 3625 Psi
  • 10.0 Hp / 7.35 kW
  • Interpump WS251 pump
  • Interpump RS500 gearbox
  • VRT3 unloader valve - M22 Male outlet
  • Adjustable chemical injector
  • ES1 easy start valve
  • Inlet filter - 3/4" hose barb inlet
  • Return to Tank - 15mm hose barb
  • Suitable for Honda GX390K1QX engine

RS500 Gearbox Details

  • For SAE J609 A-B flange engine
  • 1" / 25.4mm hollow shaft
  • 25 Hp / 18.38 kW max power
  • Input speed 3100 rpm
  • Output speed 1425 rpm
  • 2.2:1 reduction

Specification

Item Pump and Gearbox assembly
Brand Interpump
Pump WS251
Gearbox RS500
Build Model S400-1003
Max Pressure 250 Bar / 3625 Psi
Max Flow 15 litres per minute
Power Required 10 Hp / 7.35 kW
Shaft 1" / 25.4mm Hollow
Flange SAE J609 A-B Flange
Manifold Brass
Unloader VRT3
Inlet Filter Included
Easy Prime Valve Included
Return to tank bypass Included
Gearbox reduction 2.2:1
Output speed 1425 rpm
Pump Inlet 3/4" Hose barb
Unloader Outlet M22 Male