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CAT Pumps Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas

Item# A1578201
"CAT Pumps Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas"
CAT Pumps Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas

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CAT Pumps Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas

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$749.99

  • Shipping: 

    Free shipping (lower 48 states) - Available now

  • Store Pickup: 

    Out of stock at Fredericksburg VA

  • Preplumbed and pretested
  • Fits 4-bolt engine face plates

See full description

Complete Your Solution

  • CAT Pumps Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas
  • Cat Pumps Pressure Washer Pump Oil, 21 Oz.
  • NorthStar Pressure Washer Pump Freeze Guard, 12 Oz.
  • 3M Reusable Corded Earplugs, NRR 25dB, Model# 90586-80000
Price for all four:

$779.96

Frequently Bought Together

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

  • Compare

Product Summary

This CAT Pumps Pressure Washer Pump provides a fast changeover, even in the field. Pre-plumbed and pre-tested. Fits 4-bolt engine face plates. Bolts not included; use existing bolts from old pump to install new pump.

What's Included

    (1) Pressure washer pump

Downloads

Product Manual

Features + Benefits

  • Preplumbed and pretested
  • Fits 4-bolt engine face plates

Key Specs

AttributeSpecification

item#

A1578201

Brand

CAT Pumps

Manufacturer's Warranty

12 months parts/12months labor

Ship Weight

30.0 LB

Max. PSI

4,000
AttributeSpecification

GPM

3.5

Horsepower

13 HP

Product Type

Pump

Shaft Diameter

1 in

Fuel Type

Gasoline

Reviews

Questions & Answers

17 Reviews This action will navigate to reviews.

Questions

1–10 of 13 Questions  
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  1. Will this pump fit a Honda GX390 motor?

    1. Sure does and it works great.

      Helpful?

    2. It is listed for 11-13 HP engines with a 1" shaft diameter and a 6 1/2" bolt circle. You will want to double check your engine to be sure it matches these dimensions.

      Helpful?

  2. what oil do you use in this pump

    1 answer

    1. Please see item 22158 for the Cat pump oil.

      Helpful?

  3. How deep is the hole from the mount flange. Another words how long can the shaft be that goes into the drive . My driveshaft that would go into the woodruff key hole is 5 7/8" long. From the engine flange to the end of the shaft.

    1 answer

    1. The pump will attach to a 11-13 HP gas engine with a 1" x 3 31/64" long keyed shaft.

      Helpful?

  4. Is that a bypass line that allows me to let go of the trigger with no issues 

    1 answer

    1. The pump will have an unloader that functions as a pressure regulator. It is not recommended to run the pump more than 2 minutes with out pulling the trigger.

      Helpful?

  5. how much pump oil is required

    1 answer

    1. The pump would take approximately 3-4 oz of pump oil. It's important to watch the site guide on the side of the pump when filling it, and it should be filled to just above the red dot shown in the site glass.

      Helpful?

  6. Do I need to put any anti seize or grease on the shaft when I replace the pump? Honda gx 390.

    1 answer

    1. Anti seize or grease is not required when replacing the pump.

      Helpful?

  7. Does this pump come complete with the unloader valve?

    1 answer

    1. The pump will come with the unloader valve.

      Helpful?

  8. what kind of oil dose it use

    1 answer

    1. Cat pumps require SAE 30 non-detergent oil. Please view Cat Pump oil item# 22158.

      Helpful?

  9. How do you apply chemical with spray?

    Used the correct spray nozzle, attached provided hose but not getting any up lift. Do not see how to increase rate of feed.

    1 answer

    1. After proper start up using the soap nozzle, check for any leak in the chemical siphon hose, be sure the hose connection is tight and the strainer is completely submerged with no blockage and the soap solution is well diluted.

      Helpful?

  10. will this work on a vertical engine? if not what pump can?engine is a 12.5.

    1 answer

    1. This CAT Pumps Pressure Washer Pump will only work for horizontal engines. At this time we currently do not carry a pump that would work for a vertical engine.

      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

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See All Ear Plugs + Dispensers
3M Reusable Corded Earplugs, NRR 25dB, Model# 90586-80000
3.8 out of 5 stars. 13 reviews

3M Reusable Corded Earplugs, NRR 25dB, Model# 90586-80000

Item # 174630

$2.99

Warranty

Manufacturer's Warranty

12 months parts/12months labor

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

Repair Plan — 1 Year

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

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CAT Pumps Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas
4.9 out of 5 stars. 17 reviews

CAT Pumps Pressure Washer Pump, 4000 PSI, 3.5 GPM, Direct Drive, Gas

Item # A1578201

$749.99