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Powerhorse 115179 - 4400 PSI 4.2 GPM 420cc Gas Pressure Washer

The Powerhorse 115179 is a gas-powered pressure washer offering a maximum water pressure of 4400 PSI and flow of 4.2 GPM. (Read full specs)

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Powerhorse 115179
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Price history for the Powerhorse 115179
Highest Price
$999.99
Lowest Price
$799.99
Current Price
$999.99

Description

Zoom on the Powerhorse 115179

In summary, the Powerhorse 115179 is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • overall cleaning of hard surfaces, washing vehicles, and prepping surfaces for painting
  • soft cleaning of delicate surfaces, and gentle cleaning for larger areas with low pressure
  • applying detergents or chemicals, and rinsing surfaces afterward

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

Power

Using a powerful 420cc engine, its triplex pump delivers a pressure of up to 4400 PSI (roughly 73 times more than a standard garden hose) and a flow of up to 4.2 GPM (values claimed by the manufacturer). When these values are taken together, they yield a cleaning power of 18480 Cleaning Units.

To start the engine of this gas-powered washer, users employ the familiar pull-start technique.

Gasoline is stored in a fuel tank with a maximum capacity of 1.72 gallon.

Design & Handling

Designed with a wheelbarrow configuration, the Powerhorse 115179 ensures improved mobility and stability, allowing for effortless movement and reliable operation on challenging surfaces. The durable steel tubing frame of the assembly ensures its longevity, providing stability and shielding internal components from damage, even in tough conditions. The reversible handle offers further versatility, as its different positions make the unit less bulky when stored.

Tipping the scales at 142 lbs, this unit's weight presents a notable challenge for users, especially when it comes to lifting and moving it, particularly over uneven ground. Its 420cc engine, the triplex pump and steel tubing frame add up to a large chunk of the device's weight. Nonetheless, the addition of two 12" pneumatic wheels simplifies maneuvering the 115179, even across rough ground.

Main Features

The Powerhorse 115179 comes with a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: A safe detergent storage is facilitated by a dedicated tank. The Powerhorse 115179 features an automatic soap dilution mechanism that dilutes detergent according to a predefined ratio of 15:1. Attachment of a soap nozzle prompts the pressure washer to automatically introduce and blend the detergent with the water.
  • Pressure hose: Utilizing a set of convenient hooks, the unit offers a convenient solution for storing the included 50 ft ⌀3/8" high-pressure hose when it's not in use, keeping it neatly organized.
  • Spray gun and wand: A side hook allows for an easy storage of the included classic ergonomic spray gun and its wand.
  • Nozzles: The following table provides information on the 4 included nozzles and their recommended surface uses.

15°

25°

40°

Soap
Concrete, brick, masonry/use>/use>/use>/use>
Siding, gutters, house/use>/use>/use>/use>
Fencing, deck, patio/use>/use>/use>/use>
Lawn equipment, boat, RV/use>/use>/use>/use>

Important note: The shapes of the depicted nozzles serve for illustration purposes only and may vary. Symbols used include a for 'Not recommended,' a for 'Suitable,' and an for 'Use with caution.'

Other Features

The specs of the Powerhorse 115179

The Powerhorse 115179

  • Onboard storage: Stay prepared for any job with Powerhorse 115179's handy storage area, which allows you to neatly store any nozzles and accessories which you may need for the job.
  • Safety: Safety of operation is enhanced by a thermal relief valve (which helps to prevent internal pump damage), a trigger lock mechanism (which prevents accidental operation) and a low oil protection.
  • Accessories: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the Powerhorse 115179 comes with spray gun, wand and pressure hose.

The Powerhorse 115179's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Powerhorse 115179 compare to similarly priced pressure washers.

  • Capable of delivering a maximum pressure of 4400 PSI, the Powerhorse 115179 is among the gas-powered products known for achieving the highest water pressure, in the $825 to $1075 price range.
  • Boasting a water flow of up to 4.2 GPM, this washer occupies a leading position in the price range mentioned above, ensuring a superior water volume.
  • Featuring 18480 Cleaning Units (PSI X GPM), the 115179 stands as one of the most efficient options in its respective price bracket.

Price comparison

As you can see from these interactive charts, when compared to other gas-powered washers between 17600 and 18900 Cleaning Units, the Powerhorse 115179 is on the average side of the price range.

Therefore, this pressure washer nicely fits in the expected budget for this kind of cleaning power.

The bottom line

STRENGTHS:
  • In the expected price range
  • Triplex pump
  • Designed to be stable
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • High PSI for the price
  • High GPM for the price
  • High CU for the price
WEAKNESSES:

The Powerhorse 115179 doesn't have any notably low specs.

Do you own the Powerhorse 115179 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

Power
FuelGas-Powered
Engine420cc OHV 4-stroke
PumpTriplex
WaterCold (104°F max.)
PSI4400
GPM4.2
Cleaning Units18480
Pressure controlValve
Design
FrameSteel tubing
HandlingWheelbarrow
Wheels2 wheels, ⌀12", pneumatic
Weight142 lbs
DimensionsApprox. 38 x 24.8 x 30 in (L x W x H)
Hose storageHooks
Features
Soap injectionYes
Soap tankYes
Soap dilution15:1
Nozzles15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft, ⌀3/8
Misc
SecurityLow oil, trigger lock and thermal relief valve
EmissionsEPA
Included accessoriesWand, spray gun, high pressure hose, 4 nozzles
Warranty2 years

We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.

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About Powerhorse

The Powerhorse outdoor power products brand offers a range of gas- and electric-powered tools including pressure washers, log splitters, wood chippers/shredders, and electric generators. Also available are engines and water pumps. With a motto of "Power You Can Depend On", Powerhorse is a trademarked brand name that is distributed exclusively by the Northern Tool & Equipment Company Inc.

Warranty Information

The Powerhorse 115179 is covered under a warranty for up to 2 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Powerhorse pressure washers, please contact the Powerhorse Customer Support: 1-866-443-2576.

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