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Husqvarna HH42 Spec Review

The Husqvarna HH42 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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Description

Honda® GX390 engine delivers 389ccs of cleaning power. Adjustable AR triplex pump allows user to adjust pressure between 300-4200 PSI. 4.0 Max GPM per PWMA PW101-2010. Fully welded durable frame. 50’ flexible hose for fewer kinks, easier storage and extended reach.

Zoom on the Husqvarna HH42

The Husqvarna HH42, 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, paint-free surfaces and out-of-reach areas
  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted and frail surfaces
  • application of detergent and cleaning solutions

The following sections will present you in detail its power characteristics and design, its main features and all the additional features it has to offer.

Power

Powered by an impressive 389 cc 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 as per PW101-2010). Combined, these values mean that the Husqvarna HH42 has a cleaning power of 16800 Cleaning Units.

This gas-powered pressure washer’s Honda GX390 engine is started by a traditional pull-start mechanism.

Gasoline storage is facilitated by a fuel tank with a maximum capacity of 1.6 gallon.

Design & Handling

The wheelbarrow design of the Husqvarna HH42 grants mobility and stability to the unit. The robust and sturdy welded steel frame offers longevity to the assembly. The handle adds to the HH42 convenience of transport.

With a weight of 145 lbs, the model is not lightweight. Therefore, it may be challenging to manually carry it around and transport it. A key role in its final weight is played by its 389 cc Honda GX390 engine, the triplex pump and welded steel frame. However, its two 13" pneumatic wheels play an important part in its maneuvrability, as they allow for a smooth manipulation on the job.

Main Features

The Husqvarna HH42 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. Whenever a soap nozzle is connected, the detergent is automatically added to the water.
  • Pressure hose: The 50 ft high-pressure hose, which is included with the device, can be stored neatly on the unit itself when idle, using a set of convenient hooks.
  • 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 illustrates the 5 included nozzles, along with the surfaces which they are the most suitable 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

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

  • Onboard storage: Stay prepared for any job with Husqvarna HH42'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 low oil protection and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: Besides the usual owner's manual and documentation to get you promptly started, the Husqvarna HH42 comes with spray gun, soap hose, wand and pressure hose.
  • Emissions: The Husqvarna HH42 is EPA-approved and CARB-compliant. And so, this pressure washer is available for sale and purchase in any of the 50 states, including California.

The Husqvarna HH42's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Husqvarna HH42 compare to similarly priced pressure washers.

  • Able to deliver a maximum pressure of 4200 PSI, the Husqvarna HH42 is one of the gas-powered products that produce an above average water pressure, in the $1000 to $1400 price range. If the highest possible power of the water stream is your priority, one of the champions in this price range is the Lifan LFQ4515E-CA with 4500 PSI.
  • The water flow of this washer, which reaches up to 4 GPM (gallons per minute) is one of the highest values found in the above-mentioned price range.
  • The HH42, which reaches up to 16800 Cleaning Units (PSI x GPM) is one of the more efficient, in comparison to its similarly priced counterparts. If the highest overall cleaning power is your top priority, the Lifan LFQ4515E-CA, which can reach up to 18000 Cleaning Units, is one of the most efficient of the devices in the current price range.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 16500 and 17000 Cleaning Units, the Husqvarna HH42 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
  • Honda engine
  • Designed to be stable
  • Good range of nozzles included
  • Onboard storage
  • Several security features
  • CARB-compliant
  • High PSI for the price
  • High GPM for the price
  • High CU for the price
WEAKNESSES:
  • No soap tank

Do you own the Husqvarna HH42 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
FuelGas-Powered
HandlingWheelbarrow
WaterCold
PSI4200
GPM4
Cleaning Units16800
Engine389 cc Honda GX390 OHV 4-stroke
PumpAnnovi Reverberi Triplex
Other model numbers967979501, PW4200
Features
FrameWelded steel
Soap injectionVia siphon hose
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft
Hose storageHooks
Misc
Dimensions
(D x W x H)
Unknown
Weight145 lbs
Pressure controlValve
Wheels2 wheels, ⌀13", pneumatic
Included accessoriesWand, spray gun, high pressure hose, soap hose, 5 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty2 years

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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Warranty Information

The Husqvarna HH42 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 Husqvarna pressure washers, please consult Husqvarna's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-487-5951.

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