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Generac 6590 3,100 PSI 2.8 GPM OHV Engine Triplex Pump Gas Pressure Washer New

Manufacturer: Generac

SKU: 6590


$ 499.00

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Generac 6590 3,100 PSI 2.8 GPM OHV Engine Triplex Pump Gas Pressure Washer New

Generac 6590 3,100 PSI 2.8 GPM OHV Engine Triplex Pump Gas Pressure Washer New

Product Overview

With a powerful Generac OHV horizontal shaft engine and professional-grade triplex pump, this 3100PSI power washer is just right for cleaning around the house, at work, or on the farm. Durable, easy to use and built to last, Generac's rugged commercial power washers feature professional grade triplex pumps and durable, welded, roll-cage style frames that protect both the engine and pump. Get cleaning power, reliability and above all ease of use in an affordable, compact power washer. This model is perfect for cleaning around the house, at work, or on the farm. Powerful Generac engine and triplex pump and are perfectly balanced over the axle for almost effortless maneuverability.

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authorized dealer

2 year factory warranty


Brand new in box


Ships directly from Generac out of WI


Authorized Generac dealer


  • Powerful Generac OHV horizontal-shaft engine features low oil shutdown
  • Professional grade triplex pump with ceramic-coated pistons mean long life
  • Pressure control valve provides complete control of water pressure for all applications
  • Durable welded roll-cage style frame protects the engine and pump, front and back grab bars make it easier to lift
  • Folding handle for easy storage and transport
  • Professional grade spray gun with adjustable side handle provides precise control
  • Cushion grip and easy to pull trigger reduce fatigue and improve comfort
  • Steel reinforced hose will not leave scuff marks on surfaces
  • Quick change connectors make those connections a snap
  • Quick click nozzle tips five included for tackling any job
  • Choose the best nozzle that fits your pressure washer needs


Manufacturer's Warranty2 Yr Consumer Limited
Max Outlet Pressure (psi)3100
Max Flow Rate (gpm)2.8
EngineGenerac OHV
Engine Displacement (cc)212
Fuel TypeGasoline
Fuel Capacity (gal).8
Starting MethodRecoil/Pull
Throttle ControlManual
Dimensions L x W x H (in.)31.8 x 24.3 x 38
Product Weight (lbs.)102.5

Package Contents

Pressure Washer

35 ft. Ultra-Flex hose



5 Quick connect nozzle tips

Engine oil

Quick start set up guide

Owner's manual


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This item comes with a 2 year factory warranty.

Manuals & Documentation

Customer Reviews (7)

Customer Reviews

Based on 7 reviews
See all reviews
Shawn McGuire
Pressure washer

I'm am completely satisfied with the product as it is now. I really like the variable pressure and its mobility as well. However, when I received the Machine, it wouldn't run. The carburetor was completely plugged and had to be disassembled and cleaned of varnish and old gas.

Eric Bailey
Not fully satisfied.

Generac is a good brand. However the tracking information is difficult to get and to follow. The product did not want to work properly for two days. I was told I would have to have it looked at for warranty repair on the carburetor or pump. I let it sit over night and got it to fire up. Now that it is functioning I enjoy using it. I dont feel the added stress of ordering through a middleman was worth the money I saved doing so. I should not have to request shipping information be made available to me after I paid for the product. Cancellation is a hassle as well. I did receive it sooner than expected and I was able to pick it up from the shipping company which was a plus. Due to the hassles and added stress i rate it a 4 out of 5. But i am happy with my purchase so far.

Stewart Akers
Generac pressure washer

Unit cane new in box and has to be taken in for warranty work on the water pump

Barbara Tilley
Well...it is in the shop.

It is still in the shop..sent another update to Eugene

Jack Michaluk
Great machine so far. Hoping the cmmercial pump holds up

Read the reviews and so far so good. I'd really need to review after a year or so of use, well see