CAT Pumps Pressure Washer Pump - 2.5 GPM, 2750 PSI, 5 HP to 6.5 HP Required, Model# 4DNX25GSI
4DNX cat pump
Some mounting mods needed to replace failed the Giant pump- Used original mounting plate instead of included one, but not too difficult. The 5 HP engine running the pump fine. Got a more powerful washer now. Expensive pump to be putting on-> The 140 degree inlet water rating is important to me, so I got the CAT. New wand + turbo nozzle and the thing really is a good upgrade!
June 18, 2014
Came with everything needed to replace old pump. Works great. No installation instructions, but didn't need any. It did come with a operators manual.
June 7, 2013
Pump brings new life to old washer
I ordered this pump to replace an old 2100 psi Giant pump on a 5 hp engine. Installation went well. I used the included mount plate as a spacer as my engine has threaded holes in the flange. This pump works well on a 5 hp motor, and I bet would work even better on a 7.5, which is the max hp motor it will fit. It does load the old 5 hp tecemsuh pretty heavy, but if that motor fails, I'll get a bigger one for the pump. Definately a well made pump.
April 24, 2013
I bought the pump to replace the cheesy factory pump that came on my pressure washer (that failed after less than 15 hours of service). This pump is well constructed and quite the work horse. It is now 4 or 5 years old (I will admit it is not used frequently). But I fired it up a few weeks ago and it ran flawlessly for 6 straight hours.
April 23, 2013
CAT Pump Pressure Washer Pump - 2.5 GPM, 2750 PSI,
Very satisfactory upgrade replacement for the originally equipped Comet pump. This CAT Pump Pressure Washer Pump - 2.5 GPM, 2750 PSI, 5 HP to 6.5 HP Required, Model# 3DNX25GSI was easy to install and performed as expected. I replaced a Comet with this one because I expect its' ceramic properties to hold up better than the Comet's cast aluminum & brass. It is used often in a fire station environment.
August 14, 2012
Best Pressure Washer Pump Made
Cat has been known for its "nine lives" in that it is a pump that will continue to do almost any job you ask it to do.
I bought this pump as a replacement pump for a Honda 6.5 HP engine. I have been very pleased with the results. I also know that it is one of the few pumps that can be rebuilt several times to make it more cost effective.
It does as good a job as most professional pumps, yet the cost is much more reasonable through the extended life of the pump.
I would recommend this product to anyone.
May 14, 2012
3dnx25gsi cat pump upgrade
I was looking to upgrade an old dr pressure washer, because of the original pump leaking. I did my research and decided to go with this cat pump. The installation was very straight forward and all the hardware and instructions were included. The most difficult part was removing the old pump. I have used this new pump set up on my pressure washer all summer long and am very pleased.
October 10, 2011
Works better then the orginal product
I have used this replacement part CAT Pump Pressure Washer Pump — 2.5 GPM, 2750 PSI, 5 HP to 6.5 HP Required, Model# 3DNX25GSI for 3 months now works great easy to install .It took about an hour to install I would and have recommend this product to anyone
June 13, 2011
CAT 3DN replacement for Comet ADX
Highly recommended! I installed this pump, using the included adapter plate, on my Honda GX 200, 6.5 hp engine. This is a replacement for my problem prone Comet ADX pump. Installation took less than 15 minutes, but I did have to replumb both the water inlet and pump outlet in order to avoid a conflict with my pump cart frame... easy enough. This pump is significantly smoother and vastly more powerful than the 2500 psi Comet it replaces. Barring any surprises (and with every expectation of a long and trouble free operating life), this CAT pump gets my strongest endoresement. Northern customer service and prompt shipment are greatly appreciated!
April 27, 2011
Much Better than the OEM Pump!
Purchased this almost a year ago. My Washer had one of those Italian pumps on it - which I had already overhauled myself once a few years back. This CAT unit seems much better built. The spool valving seems to be more reliable and just pumps away for hours and always stops when I let off the trigger. While this was a spendy upgrade, coupled with one of the turbo Rotating Nozzles my pressure washer is far more useful now than every before!
March 21, 2011