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Stanley SXPW3425 Spec Review

The Stanley FatMax® SXPW3425 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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Stanley SXPW3425 3400PSI Gas Pressure Washer
Stanley SXPW3425 3400PSI Gas Pressure Washer
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Description

Zoom on the Stanley SXPW3425

The Stanley SXPW3425, 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
  • intense cleaning of tough, paintless surfaces
  • cleaning of painted or delicate surfaces
  • use 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 a powerful 208 cc engine, its axial cam pump can deliver a pressure of 3400 PSI (around 57 times more than a standard garden hose) and a flow of up to 2.5 GPM (values claimed by the manufacturer). Combined, these values mean that the Stanley SXPW3425 has a cleaning power of 8500 Cleaning Units.

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

A fuel tank with a maximum capacity of 0.26 gallon is used to store gasoline.

Design & Handling

The wheelbarrow design of the Stanley SXPW3425 grants mobility and stability to the unit. The strong steel frame assures assembly longevity. The handle adds to the SXPW3425 convenience of transport.

With a weight of 67 lbs, the unit can be easily maneuvered by most users. Its 208 cc Kohler engine and steel frame account for a good chunk of that weight. The SXPW3425 can still be easily manipulated and maneuvered, thanks to its two 12" never-flat wheels.

Main Features

The Stanley SXPW3425's package includes a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, with a more detailed description below.

  • Soap injection: Even though the device doesn't have a soap tank, detergent is supplied by a siphon hose. Whenever a soap nozzle is connected, the detergent is automatically added to the water.
  • Pressure hose: The 35 ft ⌀5/16" 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 enables you to easily store the included classic ergonomic spray gun and its wand.
  • Nozzles: The table below shows you the 5 included nozzles, as well as 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

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 Stanley SXPW3425

The Stanley SXPW3425

  • Onboard storage: The Stanley SXPW3425 allows you to be always fully prepared, as it features a handy storage area, where nozzles and accessories can be stored.
  • Pressure control: Water pressure can be manually changed, using the adjustable throttle of the trigger gun.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation) and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: The Stanley SXPW3425 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 wand, spray gun, pressure hose and nozzle cleaner.
  • Emissions: The Stanley SXPW3425 is NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

The Stanley SXPW3425's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Stanley SXPW3425 compare to similarly priced pressure washers.

  • The Stanley SXPW3425, which can reach up to 3400 PSI, has one of the highest pressure outputs of the gas-powered units that cost between $300 and $400.
  • Considering its water flow, this washer, with a GPM (gallons per minute) of 2.5 is in the average compared to other devices in its 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 Lifan LFQ3370, with 3 GPM.
  • Reaching up to 8500 Cleaning Units (PSI x GPM), the SXPW3425 is one of the more efficient amongst its similarly priced peers. If you are after the highest overall cleaning power, the Lifan LFQ3370 with its 9900 Cleaning Units is one of the products that can achieve the highest cleaning efficiency in this price range.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 8000 and 8500 Cleaning Units, the Stanley SXPW3425 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
  • Designed to be stable
  • Good range of nozzles included
  • Onboard storage
  • Several security features
  • 5 year (limited) warranty
  • High PSI for the price
  • High CU for the price
AVERAGE SPECS:
  • Decent GPM for the price
WEAKNESSES:
  • No electric start
  • No soap tank
  • Not CARB-compliant

Do you own the Stanley SXPW3425 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 (90°F max.)
PSI3400
GPM2.5
Cleaning Units8500
Engine208 cc Kohler 4-stroke OHV
PumpOEM Technologies™ Axial Cam
Features
FrameSteel
Soap injectionVia siphon hose
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose35 ft, ⌀5/16
Hose storageHooks
Misc
Dimensions
(L x W x H)
Approx. 33.3 x 18.3 x 19.8 in
Weight67 lbs
Pressure controlGun
Wheels2 wheels, ⌀12", never flat
Included accessoriesNozzle cleaner, wand, spray gun, high pressure hose, 5 nozzles
SecurityTrigger lock and thermal relief valve
EmissionsN/A
Warranty5 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 Stanley

Founded in 1843 by Frederick Stanley in New Britain, Connecticut, Stanley has become one of the most famous names in hand tools worldwide. The Stanley Works company merged with Black & Decker in March 2010 to form Stanley Black & Decker. Building on its reputation for the quality and reliability of its manual hand tools, the company has also branched out into electric tools and outdoor power equipment, such as pressure washers and wet-dry vacuums. By using technology and innovation, the company is committed to the continued production of quality products in an environmentally sustainable way.

Warranty Information

The Stanley SXPW3425 is covered under a warranty for up to 5 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Stanley pressure washers, please contact the Stanley Customer Support: 1-877-362-4271.

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