CAT Pressure Washer Pumps

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Browse our large variety of industrial rated CAT Pressure Washer Pumps. Built in Japan, CAT PUMPS started in 1968, and has become one of the world leaders of industrial, reciprocating, high-pressure, triplex plunger pumps. The high quality components, exceptionally long lasting seals and field-proven dependability have made them the pump of choice where continuous-duty performance and low-maintenance are priorities. Cat Pumps are energy- efficient and committed to provide a dependable pressure washer pump.

Read more about CAT Pumps.

2DX, 3DX Series

Triplex plunger design provides smooth liquid flow. Formulated high pressure seals and ground ceramic plungers assure maximum seal life. Compact design for maximum portability. Built-in modular regulating unloader and bypass to assure system pressure control and pump protection. Don't forget to get some extra pump oil.

The 2DX and 3DX Series pumps are affordable, and compact. These pressure pumps are Direct-drive Plunger Pumps made for lightweight Pressure Washers. Low-maintenance, easy-to-service stacked SS valves.

Warranty: 2 Year Manufacturer Defect

SKU #	MODEL	PSI	GPM	SHAFT SIZE	MOTOR REQUIREMENTS	PRICE
BE-85-119-019B	2DX20E	2000	2.0	5/8"	2HP Electric	$436.80
BE-85-119-018B	2DX27GS	2000	2.7	3/4"	5.5HP Gasoline	$349.00
BE-85-119-028B	3DX25GS1	2500	2.5	3/4"	6.5 HP Gasoline	$337.60

Download Specs and Diagram (2DX20E)
Download Specs and Diagram (3DX25GS1)

2SF Series

Triplex design with spring loaded inlet valves and flow through ceramic plungers provides smooth steady flow. Uni-flow design provides continuous liquid flow forward through pump, reduces cavitation.

Direct-drive Plunger Pumps for Gas and Electric Pressure Washers. The 2SF Series comes standard with Regulating Unloader and By-Pass Hose. These pressure pumps are field-proven, affordable, and very effective.

Warranty: 5 Year Manufacturer Defect

SKU #	MODEL	PSI	GPM	SHAFT SIZE	MOTOR REQUIREMENTS	PRICE
BE-85-119-012B	2SF22ES	2000	2.0	5/8"	3HP Electric	$695.50
BE-85-119-002B	2SFX30GS	2000	3.0	3/4"	5.5HP Gasoline	$749.20

Download Specs and Diagram (2SF22ES)
Download Specs and Diagram (2SFX30GS)

66DX Series

Triplex plunger design provides smooth liquid flow. Formulated high pressure seals and ground ceramic plungers assure maximum seal life.

These are our most popular high-pressure pumps for Gas Pressure Washers. The 66DX Series Direct-Drive Plunger Pumps come standard with Modular Unloader and Fixed Chemical Injector.

Warranty: 2 Year Manufacturer Defect

SKU #	MODEL	PSI	GPM	SHAFT SIZE	ENGINE REQUIREMENTS	PRICE
BE-85-119-014B	66DX40GG1	4000	4.0	1"	13HP Gasoline	$559.35
BE-85-119-025B	66DX35GG1	4000	3.5	1"	13HP Gasoline	$559.35

Download Specs and Diagram (66DX40GG1)
Download Specs and Diagram (66DX35GG1)

5CP Series

Triplex plunger design gives smooth liquid flow. Large oil bath crankcase assures optimum lubrication. Ground ceramic plungers assure maximum seal life. Oversized crankshaft bearings with greater load capacity creating longer bearing life.

The 5CP Series is an extended-duty Belt-Drive Plunger Pump made for a gas or electric power washer.

Warranty: 5 Year Manufacturer Defect

SKU #	MODEL	PSI	GPM	SHAFT SIZE	ENGINE REQUIREMENTS	PRICE
BE-85-119-021B	5CP3120	3500	4.5	20 MM	11-13HP Gasoline	$587.85

Cat pressure washer pump has a wonderful reputation for providing and maintaining high quality pumps for pressure washing. Please check out our extensive line of Cat Pump repair kits and accessories. Use the repair chart below to find the correct part you need and pricing is below. If you do not see the product you need below please call for price and availability.

If you are not sure on the part you need for your CAT pressure washer pump, please refer to the CAT breakdown diagrams located near each pump. If you still need further support, please send us an e-mail to info@ultimatewasher.com with your CAT model number and the part that you need.

Valve Kits
*3 Valves Per Kit

KIT #	PUMP MODEL	PRICE
PP-34668*	2SF (all), 2SFX25, 30GZ, 2SFX (All) except 2SFX25GZ, 30GZ, 29ELS	$91.60
PP-34052*	2SF (all), 2SFX25, 30GZ	$100.20
PP-34056*	2SFX (All) except 2SFX25GZ, 30GZ, 29ELS	$128.20
PP-33057	2DX, 3DX	$172.80
PP-34260*	66DX, 6DX	$77.70
PP-33060*	5CP3120	$81.80

Standard Seal Kits

KIT #	PUMP MODEL	PRICE
PP-34053	2SF (all), 2SFX25, 30GZ, 2SFX (All) except 2SFX25GZ, 30GZ, 29ELS	$150.80
PP-33053	2DX	$83.10
PP-30530	3DX	$134.30
PP-34262	66DX, 6DX	$121.80
PP-33629	5CP3120	$169.20

High Temperature Seal Kits

KIT #	PUMP MODEL	PRICE
PP-33953	2SF (all), 2SFX25, 30GZ, 2SFX (All) except 2SFX25GZ, 30GZ, 29ELS	$232.30
PP-31730	5CP3120	$312.20

Ceramic Kits
*Single Plunger

KIT #	PUMP MODEL	PRICE
PP-45847*	2SF (all), 2SFX25, 30GZ, 2SFX (All) except 2SFX25GZ, 30GZ, 29ELS	$42.70
PP-542403*	2DX, 3DX	$64.10
PP-48752*	66DX, 6DX	$54.30
PP-46884*	5CP3120	$71.50

A CAT pressure washer pump is a great selection when you’re performing maintenance on your pressure washer. These high pressure pumps come in a variety of models that can handle the toughest jobs and locations you can dish out. As a business owner you’ll want to select the part that is the most dependable and these parts deliver the goods in that department.

CAT pressure washer pumps are ideal for medium to heavy duty applications since they have pumps that can handle flow rates from 2 to 4 gallons per minute. Their specially formulated seals and ceramic plungers allow these pumps to handle the rigors of everyday use while still lasting years instead of months. They’re an ideal choice if you’re looking to replace or upgrade the pump unit on your pressure washer.

The 2DX, 3DX, 2F CAT pressure washer pumps features power options that range from 2 to 6.5 HP while handling pressure ratings of 2000 and 2500 psi. Their triplex plunger design provides smooth flow for liquids at 2 to 2.7 gallons per minute. The design also helps cut down on cavitation which is extremely harmful to any type of pump. They also feature an internal regulating system that assists in pressure control and helps protect the pump. Their power and dependability makes them the ideal choice for light to medium duty applications such as cleaning and stripping of finishes.

For heavy duty use you may want to take a look at the 66DX and 5CP series CAT pressure washer pumps. These units boast 11 to 13 HP gas powered engines that can produce 3000 to 4500 psi and handle flow rates of 3.5 to 4.5 gallons per minute. The pumps are built for repeated use under strenuous conditions thanks to oversized crankshaft bearings and large oil bath casing. They’re also remarkably smooth in use operating which is impressive given their power capacities.

When choosing a pump for your pressure washer you want to make sure it can handle the workload you’re going to dish out. The last thing you want to do is invest in a new pump only for it to be the wrong size and underperform. These pumps can handle any sized project from root cutting to stripping paint to cleaning patios. A new CAT pressure water pump will make your pressure washing unit operate like the day you first purchased it.

• To prevent freezing use Environmentally Friendly or R.V. Antifreeze. (Always use for winter storage.)
• Change oil every 3-5 months or every 500 hours of operation (initial break-in oil change after first fifty hours).
• Flush water valves and detergent injectors with plain water on a regular basis after use.
• Use Line Strainer, 50 mesh minimum.
• Never store pump with water in it.
• Consult with us for chemical use.