Technical Specifications
	Max Flow:  3.2 gpm
	Pressure Range:  100 psi - 3000 psi
	Shaft Diameter:  1"
	Inlet Port Size:  .37
	Discharge Port Size:  .37
	RPM:  3450
	Drive Type(s):  Direct
	Material:  Brass (BB)

Triplex plunger design provides a smooth liquid flow.
Specially formulated high pressure seals and concentric, polished ceramic plungers assure maximum seal life.
Compact, hollow shafted pump for direct mounting to 1" gas shaft.  Eliminates the need for pulleys, belts or gearboxes.
Integral regulating unloader with built-in by-pass standard on all CAT PUMPS units to assure system pressure control and pump protection.
Stacked valve design for ease in servicing.
Fixed chemical injector for cleaning flexibility.

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This is a direct-drive triplex (three plunger rods) plunger pump, constructed of a brass manifold, easy-to-service 304SS stacked valve assemblies, solid ceramic plungers and standard NBR (Buna-N)seals and o-rings. The 4SPX pumps offer high quality and exceptional life for the portable pressure washer market. The 4SPX is a flanged, hollow-shafted pump designed to bolt directly onto a gas engine drive, providing easy, compact installation. The 4SPX pump comes standard with a Integral Regulating Unloader with built-in By-Pass and fixed Chemical Injector that mounts onto the unloader.

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Datasheet
4SPX32G1i Data Sheet & Breakdown
Service Manual
4DNX, 4DX, 4SPX Service Manual
Technical Bulletins
Lubrication of Lo-Pressure Seals	Removing Pump from Engine or Motor
Identifying Your Pump	Torque Chart
Servicing the Low and High Pressure Seals	Winterizing a Pump

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