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Simpson ALH3228-S Spec Review

The Simpson Aluminum ALH3228-S is a gas-powered pressure washer offering a maximum water pressure of 3400 PSI and flow of 2.5 GPM. (Read full specs)

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Simpson ALH3228-S 3400PSI Gas Pressure Washer
Simpson ALH3228-S 3400PSI Gas Pressure Washer
Simpson ALH3228-S 3400PSI Gas Pressure Washer
Simpson ALH3228-S 3400PSI Gas Pressure Washer
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Description

Designed to surpass the demands of the cleaning professional, the SIMPSON® Aluminum Series 3400 PSI @ 2.5 GPM pressure washer is built to perform. Built with a powerful Honda engine, reliable triplex pump and ultra lightweight aircraft grade aluminum frame, this gas pressure washer is great for construction, equipment upkeep, facility & fleet maintenance cleaning. (source: Simpson (opens in a new tab))

Zoom on the Simpson ALH3228-S

The Simpson ALH3228-S, 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 tough, paintless surfaces
  • cleaning of painted and frail surfaces
  • applying 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

The Simpson ALH3228-S in use

The Simpson ALH3228-S

Using a 196 cc (5.5 hp) engine, its triplex pump delivers a pressure of up to 3400 PSI (roughly 57 times more than a standard garden hose) and a flow of up to 2.5 GPM (CETA-certified values). Together, the values result in a cleaning power of 8500 Cleaning Units.

The Honda GX200 engine of this gas-powered pressure washer relies on an old-school pull-start mechanism to get started.

Gasoline is stored in a steel fuel tank with a maximum capacity of 0.8 gallon.

Design & Handling

The wheelbarrow design of the Simpson ALH3228-S grants mobility and stability to the unit. The aluminum frame allows the device to remain highly durable, as it will not rust. The reversible handle offers further versatility, as its different positions make the unit less bulky when stored.

With a weight of 74 lbs, the unit can be easily maneuvered by most users. As its 196 cc Honda GX200 engine and triplex pump account for a good portion of that weight, Simpson's choice of an aluminum frame allows the device to stay at a reasonable weight. But, as the ALH3228-S does have a set of two 10" pneumatic wheels, it can be easily maneuvered and manipulated.

Main Features

The Simpson ALH3228-S in use

The Simpson ALH3228-S

The Simpson ALH3228-S comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: Detergent is fed in through a siphon hose, since the device lacks a soap tank. The automatic soap dilution mechanism of the Simpson ALH3228-S will dilute the detergent with a 7:1 ratio. The detergent will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: A neat storage for the included 25 ft ⌀5/16" high-pressure hose is facilitated by a set of convenient hooks.
  • Spray gun and wand: A side hook enables you to easily store the included classic ergonomic spray gun and its steel 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

Some of the accessories of the Simpson ALH3228-S

Some of the included accessories

  • Onboard storage: The Simpson ALH3228-S 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 trigger lock mechanism (which prevents accidental operation), a low oil protection 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 Simpson ALH3228-S comes with spray gun, wand, soap hose, oil and pressure hose.
  • Emissions: The Simpson ALH3228-S is EPA-approved and CARB-compliant. Therefore, the sale and purchase of this pressure washer is permitted in all of the 50 states, including California.

The Simpson ALH3228-S's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Simpson ALH3228-S compare to similarly priced pressure washers.

  • With a maximum pressure output of 3400 PSI, the Simpson ALH3228-S finds itself in the expected pressure range among gas-powered units that cost between $600 and $700. If your priority is the highest possible power of the water stream, in this price range, we suggest checking out the Simpson PS60843, which reaches up to 4400 PSI.
  • When compared to devices in the above-mentioned price range, this washer and its 2.5 GPM (gallons per minute), is on the lower end of the achievable water flow. If rinsing away debris most efficiently is your priority, one of the devices with the highest GPM in this price range is the Simpson PS60843, which can reach up to 4 GPM.
  • The ALH3228-S has 8500 Cleaning Units (PSI x GPM), which is considered low in comparison to other gas-powered devices of this price. If you consider the highest overall cleaning power as a really important factor, the Simpson PS60843 and its 17600 Cleaning Units has one of the highest cleaning efficiency of all the similarly priced units.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 8000 and 8500 Cleaning Units, the Simpson ALH3228-S is on the expensive side of the price range.

While certainly not the cheapest of its cleaning power range, purchasing it could most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • Triplex pump
  • Honda engine
  • Designed to be stable
  • Aluminum frame
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • CARB-compliant
  • 10 year (limited) warranty
AVERAGE SPECS:
  • Decent PSI for the price
WEAKNESSES:
  • On the expensive side
  • No electric start
  • No soap tank
  • Low GPM for the price
  • Low CU for the price

Do you own the Simpson ALH3228-S 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 (100°F max.)
PSI3400
GPM2.5
Cleaning Units8500
Engine196 cc 5.5 HP Honda GX200 OHV 4-stroke
PumpCAT 4DNX25GSI Triplex
SeriesAluminum
Other model numbers60735
Features
FrameAluminum
Soap injectionVia siphon hose
Soap dilution7:1
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft, ⌀5/16
Hose storageHooks
Misc
Dimensions
(L x W x H)
Approx. 30 x 21 x 24 in
Weight74 lbs
Pressure controlValve
Wheels2 wheels, ⌀10", pneumatic
Included accessoriesOil, steel wand, spray gun, high pressure hose, soap hose, 5 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty10 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.

About Simpson

Simpson has over 50 years of experience making quality products for the outdoor power equipment industry. Part of the FNA Group based in Pleasant Prairie, Wisconsin since 2006, they are a vertically-integrated company, meaning most of the parts and accessories are manufactured and assembled by them. Their manufacturing facilities are international. With the company motto "Driven by Performance", Simpson continues to offer a great variety of pressure-washing systems for the homeowner or the professional contractor.

Warranty Information

The Simpson ALH3228-S is covered under a warranty for up to 10 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Simpson pressure washers, please contact the Simpson Customer Support: 1-877-362-4271.

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