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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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Generac 6565 4200PSI Gas Pressure WasherGenerac 6565 4200PSI Gas Pressure WasherGenerac 6565 4200PSI Gas Pressure WasherGenerac 6565 4200PSI Gas Pressure Washer
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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

The Generac 6565, a heavy duty, commercial pressure washer, gives its user an all-around versatile cleaning experience, topped off by the following features:

  • spot cleaning of hard, unpainted surfaces and high-reach cleaning
  • thorough cleaning of hard, paint-free surfaces
  • cleaning of painted or delicate surfaces
  • applying detergent and cleaning solutions

Its power characteristics and design, its main features and all its additional features are presented ahead.

Power

The Generac 6565 in use

The Generac 6565

Using a powerful 420cc engine, its triplex pump delivers a pressure of up to 4200 PSI (roughly 70 times more than a standard garden hose) and a flow of up to 4 GPM (values claimed by the manufacturer). Together, the values result in a cleaning power of 16800 Cleaning Units.

The Generac engine of this gas-powered pressure washer gets started by a classic pull-start mechanism.

Gasoline storage is facilitated by a fuel tank with a maximum capacity of 1.5 gallon.

Design & Handling

Thanks to its hand truck design and approximate dimensions of D34.5 x W28.3 x H42.5 in, the Generac 6565 offers great mobility. The robust welded steel frame guarantees longevity of the assembly. The folding handle enhances its mobility, while allowing for a convenient storage.

This model weighs 146.5 lbs. For this reason, it cannot be called lightweight and thus, carrying and transporting it might be somewhat challenging. The main contributors to its weight are its 420cc Generac engine, the triplex pump and welded steel frame. However, the unit is manipulated smoothly thanks to its two 12" pneumatic wheels, which play a key role in its maneuverability.

Main Features

Along with the Generac 6565 itself, the package also includes a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are discussed in further detail below.

  • Soap injection: While the device doesn't feature a soap tank, detergent supply is ensured by a siphon hose. However, since the Generac 6565 does not feature a soap dilution mechanism, you'll have to make sure your detergent is correctly diluted before use. Whenever a soap nozzle is connected, the detergent is automatically added to the water.
  • Pressure hose: The included 50 ft ⌀3/8" high-pressure hose (4200 PSI rating) can be neatly stored on the unit when idle thanks to a set of convenient hooks.
  • Spray gun and wand: Both the classic ergonomic spray gun and its wand may be conveniently stored in a side hook. A rotating auxiliary side handle further improves both left-handed and right-handed users' comfort.
  • Nozzles: The 5 included nozzles, and the respective surfaces they’re appropriate for, are listed in the table below.


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

Note: The shape of the nozzles above is for illustration purposes only and may differ.
Red cross: Not recommended. Green check: Suitable. Orange check: 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 trigger lock mechanism (which prevents accidental operation) and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the Generac 6565 comes with pressure hose, oil, spray gun, soap hose and wand.
  • Emissions: The Generac 6565 is NOT CARB-compliant and so you cannot buy it nor sell it in California.

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.

  • The Generac 6565, reaching a PSI of up to 4200, is one of the more powerful gas-powered units in $1000-1300 price range. In case you are looking for a device with the highest possible power of its water stream, one of the top achievers in this price range is the Predator 4400 with a PSI of 4400.
  • The water flow of this washer, which reaches up to 4 GPM (gallons per minute) is one of the higher values found in the above-mentioned price range. If being able to rinse away debris as efficiently as possible is your priority, one of the products with the highest GPM in this price range is the Predator 4400, with 4.2 GPM.
  • 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 the highest overall cleaning power is your top priority, the Predator 4400, which can reach up to 18480 Cleaning Units, is one of the most efficient of the devices in the current price range.

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
  • Not CARB-compliant

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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