Cat Pumps 66DX40GG1
Cat Pumps 66DX40GG1
Hover to zoom
1 Of 5

CAT Pumps 4000 PSI (4.0 GPM) Replacement Triplex Plunger Pressure Washer Pump

Model:

66DX40GG1

Write A Review
CAT Pumps 4000 PSI (4.0 GPM) Replacement Triplex Plunger Pressure Washer Pump
CAT Pumps 4000 PSI (4.0 GPM) Replacement Triplex Plunger Pressure Washer Pump
Model: 66DX40GG1
Call 1 (866) 618-9274 for pricing and order information.
Accessories
Features
Specifications
Reviews
How-To Articles
Manuals
Factory-Direct
Ships in 2-3 Weeks
Share

Recommended Accessories

Pressure Washers Direct expert image
Expert Recommended Accessories Selected by Jim, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10

Features

Grade

Professional

Style

Gas

Pump Brand

Cat

  • High Quality Replacement For Worn Out Pumps
  • Easily replace pump without replacing your pressure washer
  • Triplex pump can be rebuilt to save money and extend pump life
  • Triplex Plunger Pump With Injector
  • Ceramic plungers assure even wear and extended seal life
  • Includes chemical injecting capability
  • Triplex plunger design provides smooth liquid flow
  • Easy Direct Mount To Most Gas Engines
  • 1" (25.4mm) hollow shaft spins at 3400 rpm
  • Bore diameter 14mm (.551")
  • Stroke 11.4mm (.449")
  • 14 HP pump; unloader not included
  • Thermal relief valve not included
  • Bypass valve not included
  • Maximum water temperature of 140 degrees
  • 18 oz crankcase oil capacity
  • Powerful And Versatile
  • Will push 4.0 gpm @ 4000 psi
  • Be Sure To Measure The Shaft & Flange Bolt Holes Accurately!
  • There is a 25% restock fee for returned pumps
  • See the Owner's Manual (under the Specs tab) for dimensions
  • Please Call Us For Sizing Assistance w/ Information Below:
  • 1. Age of Pump and Model # (must be no more than 15-yrs old)
  • 2. Is the pump Vertical or Horizontal
  • 3. Shaft Size - 3/4", 7/8" (vertical ONLY), 1", or Belt Drive XXmm
  • 4. Engine Brand and HP (model # if available would be helpful)
  • ***Shaft Size Measurements Must Be Precise***
California residents see
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
For more information go to: www.p65Warnings.ca.gov

Specifications

66DX40GG1
specs product image PID-4338
Pump
Pump Brand
Cat
Pump Type
Triplex Plunger
Adjustable Pressure
No
Chemical Injection
Siphon Tube
Overview
Weight
26.15 Pounds
Consumer Warranty
5 Years
Product Length
10 Inches
Product Width
9.96 Inches
Product Height
6.38 Inches
Accessories
Accessory Grade
Professional
Accessory Style
Gas
Rated PSI
4000 PSI

Reviews

(5)
Cat Pumps 66DX40GG1 Reviews & Ratings

Product Q&A

(2)
Expert avatar photo
Product Questions Answered by Jim, the Pressure Washer Expert
What can I do if the chemical inlet valve wont suck up ?
Michael Corey 
from Rhode Island 
April 19, 2011
where do you add the oil in a preasure washer pump
Richard Forrester 
from Alabama 
April 04, 2011

How-To Articles

How To Pick The Perfect Replacement Pressure Washer Pump
How To Pick The Perfect Replacement Pressure Washer Pump
If your pressure washer turns on, but won't pressurize water, don't give up on ...
How to Replace the Pump on a Pressure Washer
How to Replace the Pump on a Pressure Washer
Pressure washer pumps can be burned out in many ways. It's more common than you...
Pressure Washers How-To Library
Pressure Washers How-To Library
Articles, Tips and Buying Guides from Our Experts

Manuals

 
Media Gallery
CAT Pumps 4000 PSI (4.0 GPM) Replacement Triplex Plunger Pressure Washer Pump
Cat Pumps 66DX40GG1
Customer Review Images