Just mount pump, set the pressure and you are ready to go! This Fully Plumbed Pump assembly is a HP4040 Belt Drive pressure washer pump maximum operating range of 4 GPM @ 4000 PSI or 4.75 GPM @ 3500 PSI.
 
The HP4040PLUMB Package has the pressure washer pump and comes complete with Unloader / Regulator, Water Inlet Fitting W/Filter, Easy Start Valve, Thermo Valve and Oil.
 
Technical Specs Overview:
Pump: HP4040
GPM: 4
PSI: 4000
Shaft: 24mm
RPM: 1450
Type: Belt Drive
Unloader: VRT3-310EZ
Garden hose inlet and filter
Extended bypass hose minimizes heat buildup in bypass
 
 
HD Continuous use belt drive 1450/1750 PRM pump
Forged brass manifold with exclusive lifetime warranty
Large-capacity anodized aluminum oil-bath crankcase
Over-sized HD connecting rods for maximum life
Heavy-duty tapered roller bearings minimize friction
Solid ceramic plungers with lubricated packings
Unitized SS inlet and discharge valves
Easy view sight oil-gauge and redundant side of pump
 
Specifications:
Volume: 4.0 GPM@ 1450 RPM/ 4.75 GPM @ 1750 RPM
Maximum Discharge Pressure: 4000 PSI
Maximum Pump Speed: 1750 RPM
Maximum Inlet Pressure: 125 PSI
Maximum Inlet Vacuum: 9 ft. water (7.9 in. Hg)
Plunger Bore: .787 in. / 20 mm
Plunger Stroke: .472 in. / 12 mm
Crankcase Oil Capacity: 40.6 oz.
Maximum Fluid Temperature: 165 F
Inlet Port Thread: 1/2-14 BSPP-F
Discharge Port Thread: 3/8-19 BSPP-F
Shaft Diameter: .945 in. / 24 mm
Weight: 32 lbs.
Dimensions: 12.2″ x 9.2″ x 6.9″