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4200PSI 4.0GPM

Model #6565

Starting At

$899.00 MSRP Where To Buy

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This pressure washer's 12" pneumatic wheels and professional-grade spray gun complement the powerful 420cc Generac OHV horizontal-shaft engine and professional-grade triplex pump. And with a long 50' non-marring rubber hose, you'll be ready to take on even the biggest cleaning jobs.

Professional-grade Triplex Pump

With features like ceramic-coated pistons, the triplex pump is designed for rugged duty and long life


This Generac engine provides maximum cleaning performance and reliability, and has low-oil shutdown to protect the engine


Take your pressure washer over even the most rugged terrain around the house, at work, or on the farm


Take up even less space in your garage or shed during storage, and transport the pressure washer even more easily

Additional Features

Pressure Control Valve – Provides complete control of water pressure for all applications

Brass Quick Change Fittings – Make hose connections even more quickly and effortlessly

50’ Steel-Reinforced Hose – Durable, non-marring hose will not leave scuff marks

Professional Spray Gun – Adjustable side handle provides precise control, and cushion grip and easy-to-pull trigger reduce fatigue and improve comfort during extended use

Welded Roll Cage Frame – Protects the engine and pump while providing grab bars for easier lifting

Five Quick Click™ Nozzle Tips Included – 0 degree, 15 degree, 25 degree, 40 degree, and soap

Detergent Siphon Hose – Use a variety of cleaning solutions to improve results

The Power to

Concrete. Siding. Vehicles. And Much More.

Whether you're washing the driveway or prepping for a painting job, you need the right tool. Enter Generac pressure washers. Our customer research led us to engineer our pressure washers from the ground up, to meet your specific needs.

Explore Pressure Washer Uses

Pressure Washer Accessories

Maximize your investment and maintain your Generac pressure washer with a variety of accessories.

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Rated 5 out of 5 by This machine can handle it all. I wanted a machine that could reach the top of the second floor of my house from standing outside the basement door. The 4200 met the challenge. This thing is a beast. I'm glad it came with a support handle on the wand. Delivery was excellent, on time, no damage. First time start took 5 pulls and runs like a dream. The interchangeable tips are great. I was able to clean the siding, driveway and my truck without issue. I believe in crying only once on a purchase of this type. Spend a little extra and be satisfied for a long time. I went with the best and got exactly what I paid for. July 22, 2015
Rated 5 out of 5 by It's a great tool Whenever you do a project - it's always easier with the correct tool - That being said, This pressure washer is above and beyond the the others. The pressure washer allows the user to determine the level of force (water) that's needed for the job. My initial start up required a few pulls - however it was brand spanking new - what do you expect. The more I use it the easier it is to start - I use this for a business, and the more I use it - the more I continue to find features that I love. July 8, 2015
Rated 3 out of 5 by works great after I got it fixed The pressure washer works great now but the first 4 months I owned it were nothing to talk about. I could not use it. Tires were flat, parts fell off and it had an oil leak. After finally getting them all fixed with very slow tire replacement, it now works as its supposed to. June 5, 2015
Rated 1 out of 5 by Well...It looks good, but it is leaning to one side. I purchased the 4200 power washer and it was delivered with the bearings falling out of one of the wheels and it didn't have the pressure washer hose with it. I haven't been able to even try it yet as I am awaiting the hose and bearings for the wheel that I will have to repair myself. So far I am very unimpressed. I will write a review when I actually get to use it. I can't believe it passed the quality control procedures at Generac...Now I am worried! So far this is the only rating I can give it. Sorry! April 20, 2015
Rated 5 out of 5 by Best Power Washer for the Serious I bought this 4200 psi power washer to do some serious cleaning around the house. It has been flawless in getting the job done. Follow-up maintenance has been a breeze. You get what you pay for...and in my case I got my moneys worth. I look forward to many years using the power washer. December 16, 2014
Rated 5 out of 5 by Perfect for the Big Jobs GENERAC 4200PSI COMMERCIAL GRADE PRESSURE WASHER Followed the instructions to setup and run. Had no problems at all. Was pleased with this model, the mobility, the results and time saved. October 21, 2014
Rated 5 out of 5 by This is one powerful machine! Delivered fast. Packaging excellent. I had only used household or residential size pressure washers prior to purchasing this Generac model online. The difference in the quality of those units and this Generac is well worth the additional $200-$300. This unit is the 4200psi 4 gpm. The only other thing I will say is, "You better hold on tight". July 5, 2014
  • 2016-05-30 T09:48:44.032-05:00
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Rated 4.1 out of 5 by 7 reviewers.
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Generac Stock Ticker

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  • $37.70
  • 5/27/2016 4:02 PM EST