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Generac 6565 - 4200 PSI 4 GPM 420cc Gas Pressure Washer

The Generac 6565 is a gas-powered pressure washer offering a maximum water pressure of 4200 PSI and flow of 4 GPM. (Read full specs)

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Features and Specifications

FuelGas-Powered
HandlingHand Truck
WaterCold (100°F max.)
PSI4200
GPM4
Cleaning Units16800
Engine420cc Generac 4-stroke OHV
PumpTriplex
FrameWelded steel
Soap injectionVia siphon hose
Soap dilutionNo
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft, ⌀3/8
Hose storageHooks
Dimensions
(D x W x H)
Approx. 34.5 x 28.3 x 42.5 in
Weight146.5 lbs
Pressure controlValve
Wheels2 wheels, ⌀12", pneumatic
Included accessoriesOil, wand, spray gun, high pressure hose, soap hose, 5 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsN/A
Warranty3 years
UPC696471065657

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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Description

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. (source: Generac (opens in a new tab))

Zoom on the Generac 6565

In summary, the Generac 6565 is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • targeted spot cleaning for hard, unpainted surfaces, reaching elevated areas, and thoroughly removing stubborn stains
  • complete cleaning of hard surfaces, vehicle washing, and surface prep for painting
  • soft cleaning of delicate surfaces, and gentle cleaning for larger areas with low pressure
  • using cleaning solutions, and rinsing surfaces to remove residue

Ahead are presented its power characteristics and design, its main features and any other additional features.

Power

The Generac 6565 in use

The Generac 6565

Powered by an impressive 420cc engine, its triplex pump can deliver a pressure of 4200 PSI (around 70 times more than a standard garden hose) and a flow of up to 4 GPM (values claimed by the manufacturer). With these values combined, the Generac 6565 boasts a cleaning power of 16800 Cleaning Units.

For this gas-powered pressure washer, the Generac engine is started using a time-tested pull-start mechanism.

Containing gasoline, the pressure washer's fuel tank can hold a maximum of 1.5 gallon..

Design & Handling

With its hand truck design, the Generac 6565 provides excellent maneuverability. The robust welded steel frame guarantees longevity of the assembly, providing stability and protection for internal components, even under demanding working conditions. The folding handle enhances its mobility, while allowing for a convenient storage.

With its hefty 146.5 lbs, this unit isn't exactly easy to handle, making manual lifting and transport quite a daunting task, especially on uneven terrain. The major reasons for its heavy weight are its 420cc Generac engine, the triplex pump and welded steel frame. Nevertheless, with its two 12" pneumatic wheels, users can manage the 6565 with less difficulty, even over uneven terrain.

Main Features

The Generac 6565 comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: While the device doesn't feature a soap tank, detergent supply is ensured by a siphon hose. As the Generac 6565 does not include a soap dilution mechanism, it's essential to ensure proper detergent dilution before operating the pressure washer. Upon connecting a soap nozzle, the pressure washer takes over the task of seamlessly combining the detergent with the water flow.
  • Pressure hose: When not in use, the unit allows for tidy storage of the included 50 ft ⌀3/8" high-pressure hose (4200 PSI rating) using a set of convenient hooks, ensuring convenient organization.
  • Spray gun and wand: A side hook enables you to easily store the included classic ergonomic spray gun and its wand. The gun features a rotating auxiliary side handle to further improve the comfort of both left and right-handed users.
  • Nozzles: The table below shows you the 5 included nozzles and the surfaces they're the most appropriate for.


15°

25°

40°

Soap
Concrete, brick, masonryUse with cautionSuitableSuitableSuitableSuitable
Siding, gutters, houseNot recommendedUse with cautionUse with cautionSuitableSuitable
Fencing, deck, patioNot recommendedUse with cautionUse with cautionSuitableSuitable
Lawn equipment, boat, RVNot recommendedUse with cautionUse with cautionUse with cautionSuitable

Please note: The shapes of the nozzles depicted above are for illustration purposes and may vary. Symbols used include a red cross for 'Not recommended,' a green check for 'Suitable,' and an orange check for 'Use with caution.'

Other Features

The specs of the Generac 6565

The Generac 6565

  • Onboard storage: The Generac 6565 features a handy storage area, which allows you to neatly store nozzles and accessories and be always prepared by having everything needed at hand.
  • Safety: Safety of operation is enhanced by a low oil protection, a thermal relief valve (which helps to prevent internal pump damage) and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: The Generac 6565 comes with an owner's manual (opens in a new tab) and some basic documentation to get you quickly started. On top of that, you also get oil, spray gun, wand, soap hose and pressure hose.

Product Video

The Generac 6565's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Generac 6565 compare to similarly priced pressure washers.

  • Equipped to deliver up to 4200 PSI, the Generac 6565 is recognized as one of the gas-powered models delivering higher-than-average water pressure, priced between $1000 and $1300. If your priority is the highest possible power of the water stream, in this price range, we suggest checking out the Simpson ALH4440-S, which reaches up to 4400 PSI.
  • Featuring a water flow of up to 4 GPM, this washer ranks among the top performers in the price range mentioned above, delivering a substantial volume of water.
  • The 6565, with its 16800 Cleaning Units (PSI X GPM) sits at the high end of the cleaning efficiency spectrum, when compared to other devices of similar price. If prioritizing the highest overall cleaning power, the Simpson ALH4440-S with its 17600 Cleaning Units may stand out for its exceptional cleaning efficiency among similarly priced units.

Price comparison

As you can see from these interactive charts, when compared to other gas-powered washers between 16500 and 17000 Cleaning Units, the Generac 6565 is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget pressure washer.

The bottom line

STRENGTHS:
  • Inexpensive
  • Triplex pump
  • Good range of nozzles included
  • Onboard storage
  • Several security features
  • High PSI for the price
  • High GPM for the price
  • High CU for the price
WEAKNESSES:
  • No soap tank
  • No detergent dilution mechanism

Do you own the Generac 6565 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About Generac

Founded in a garage in Wales, Wisconsin by Robert Kern and five employees, Generac has been a leader in power generation systems since 1959. In the early 1960s, Generac began producing electric generators for Sears and Roebuck Company. During the 1970s the company began to manufacture other outdoor power equipment such as electric chainsaws, pressure washers, and welders. Generac, now a subsidiary of CCMP Capital, continues to be headquartered in Waukesha, with manufacturing facilities in four other cities in Wisconsin USA.

Warranty Information

The Generac 6565 is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Generac pressure washers, please consult Generac's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-888-GENERAC (888-436-3722).

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