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CAT Pressure Washer Pump Assembly, 3300 PSI, 2.5 GPM, Direct Drive, Gas, Model# 4DNX25GSI

Item# A157123
Top Seller
CAT Pressure Washer Pump Assembly, 3300 PSI, 2.5 GPM, Direct Drive, Gas, Model# 4DNX25GSI

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CAT Pressure Washer Pump Assembly, 3300 PSI, 2.5 GPM, Direct Drive, Gas, Model# 4DNX25GSI

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$449.99

  • Shipping: 

    Free shipping (lower 48 states) - Available now
    $19.99 Same Day

  • Store Pickup: 

    1 in stock at Fredericksburg VA - Pickup in under 1 hr

  • Pre-plumbed and pre-tested
  • Easy Start for easier recoil starting
  • 3/8in. M-QC output connection Thermal relief valve offers protection
  • Adjustable pressure to suit multiple applications
  • Fixed chemical injection

See full description

Complete Your Solution

  • CAT Pressure Washer Pump Assembly, 3300 PSI, 2.5 GPM, Direct Drive, Gas, Model# 4DNX25GSI
  • Cat Pumps Pressure Washer Pump Oil, 21 Oz.
  • NorthStar Pressure Washer Pump Freeze Guard, 12 Oz.
Price for all three:

$476.97

Frequently Bought Together

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

  • Compare

Product Summary

This CAT Pressure Washer Pump Assembly provides a fast changeover even in the field. Easy Start relieves pump pressure for smoother, easier recoil starting. Fits 3 5/8in. engine bolt circle. Bolts not included; use existing bolts from old pump to install new pump.

What's Included

    (1) Pressure washer pump assembly

Downloads

Product Manual

Features + Benefits

  • Pre-plumbed and pre-tested
  • Easy Start for easier recoil starting
  • 3/8in. M-QC output connection Thermal relief valve offers protection
  • Adjustable pressure to suit multiple applications
  • Fixed chemical injection
  • Forged brass manifold and ceramic plungers for durability
  • Fits 3 5/8in. engine bolt circle

Key Specs

AttributeSpecification

item#

A157123

Brand

CAT Pumps

Manufacturer's Warranty

12 months parts/12months labor

Ship Weight

15.0 LB

Max. PSI

3,300
AttributeSpecification

GPM

2.5

Product Type

Pump

Shaft Diameter

0.75 in

Fuel Type

Natural Gas

Product Weight

15 lb

Reviews

Questions & Answers

31 Reviews This action will navigate to reviews.

Questions

1–10 of 16 Questions  
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  1. Can this pump be used with an electric motor? What size and rpm?

    1. Yes , it can work with electric Motor, we purchased a complete electric Pressure Washer with this Pump from Northern Tool

      Helpful?

    2. This pump is not designed to work with an electric motor. This pump is recommended for use with a 5-6.5 HP gasoline engine rated at 3600 RPM.

      Helpful?

  2. Is this pump safe for hot water operation?

    1. Max Temperature: 140

      Helpful?

    2. This pump is capable of handling hot water up to 140 degrees.

      Helpful?

  3. Does this have 3/4 shaft compability

    1 answer

    1. The pump would accept a 3/4" (0.75") diameter shaft.

      Helpful?

  4. What is the ratio for the chemical mixing injector?

    1 answer

    1. The chemical mixing ratio will depend on the specifications of the chemical used.

      Helpful?

  5. Is the gas engine Adapter plate included?

    1 answer

    1. The pump has a 4-bolt mounting pattern that should fit right up to the engines bolt pattern.

      Helpful?

  6. What is the plastic sleeve part # on the pump water inlet on 67DX39G1I

    1 answer

    1. That is not a replacable part on this pump.

      Helpful?

  7. Will this pump bolt to a Honda gc 190? 

    1 answer

    1. This will work with engines with a 3-5/8'' bolt circle.

      Helpful?

  8. Can this replace pump model 3spx30g1I

    1 answer

    1. This pump would not be a suitable replacement for the 3SPX30G1I model.

      Helpful?

  9. Does this item include the blue gear reduction box shown with the cat pump assembly as shown?

    1 answer

    1. The blue portion of this pump is the crankcase and it is included.

      Helpful?

  10. Where can a pressure gauge be installed directly onto pump

    1 answer

    1. A pressure gauge can be installed directly on the pump. Please see our item #32154 for a gauge that will work.

      Helpful?

Accessories We Recommend

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See All Pressure Washer Pumps + Pump Oil
Cat Pumps Pressure Washer Pump Oil, 21 Oz.
5.0 out of 5 stars. 60 reviews

Cat Pumps Pressure Washer Pump Oil, 21 Oz.

Item # 22158

$16.99
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NorthStar Pressure Washer Pump Freeze Guard, 12 Oz.
4.7 out of 5 stars. 19 reviews

NorthStar Pressure Washer Pump Freeze Guard, 12 Oz.

Item # 1579000

$9.99

Warranty

Manufacturer's Warranty

12 months parts/12months labor

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Replacement Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.

Recently Viewed Items

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CAT Pressure Washer Pump Assembly, 3300 PSI, 2.5 GPM, Direct Drive, Gas, Model# 4DNX25GSI
4.8 out of 5 stars. 31 reviews

CAT Pressure Washer Pump Assembly, 3300 PSI, 2.5 GPM, Direct Drive, Gas, Model# 4DNX25GSI

Item # A157123

$449.99