If your driveway has collected grime baked on by the sun, or your patio furniture looks dull after another season, a powerful gas pressure washer can restore them quickly. You need a machine that delivers consistent pressure and flow for medium to heavy duty cleaning without the hassle of extension cords. This guide reviews the Westinghouse WPX3400 Gas Pressure Washer, a strong contender for your next home cleaning tool. For more options, you can also check our list of top electric pressure washers for home use.
Buying Guide for a Gas Pressure Washer
Pressure and Flow Rate
The two key specs you need to understand for any gas pressure washer are PSI (pounds per square inch) and GPM (gallons per minute). PSI measures the cleaning pressure, while GPM measures how much water flows through. Together they determine how quickly you can blast away dirt.
For most home jobs like cleaning driveways, siding, or fences, a combination of at least 3000 PSI and 2.5 GPM is ideal. The Westinghouse WPX3400 offers 3400 PSI and 2.6 GPM, which is well suited for heavy duty residential tasks. If you only need light duty work like washing a car or patio furniture, an electric model from our electric pressure washer category might be enough.
Engine and Pump Quality
The engine is the heart of a gas pressure washer. Look for reliable brands like Westinghouse that use OHV (overhead valve) engines, which offer cooler operation and longer life. The pump type also matters: an axial cam pump is common in mid range models.
The WPX3400 uses a 212cc 4-stroke Westinghouse OHV engine and a maintenance free axial cam pump. This combination delivers consistent performance for regular home use. You can read more about different washer types on our main pressure washers page.
Mobility and Storage Features
Since you will move the washer around your property, consider its weight, wheel size, and hose length. Large wheels make it easier to navigate uneven terrain. A long hose reduces the need to move the machine frequently.
The Westinghouse WPX3400 has a steel frame with 12 inch never flat wheels for easy transport. Its 25 foot abrasion resistant hose provides good reach. The onboard half gallon soap tank and one gallon gas tank simplify refills, so you can focus on cleaning.
Included Accessories and Nozzles
The nozzle set you get with a washer determines what jobs you can tackle right away. Most washers include a set of quick connect tips for different spray patterns, from a super concentrated jet for tough stains to a wider fan for rinsing.
The WPX3400 comes with five quick connect nozzles (0°, 15°, 25°, 40° and soap) plus a spray gun and wand. This kit covers everything from stripping paint to applying detergent. The unit is also compatible with accessories that use M22 fittings, such as surface cleaners and foam cannons.
Final Thoughts
After assessing the Westinghouse WPX3400 Gas Pressure Washer, we believe it is a solid choice for homeowners who need a reliable gas powered machine for routine outdoor cleaning. Its pressure level and water flow handle most jobs around the house efficiently. If you have lighter needs or prefer an electric model, you can look into other top rated washers. For this category, the Westinghouse WPX3400 Gas Pressure Washer stands out as a well rounded option that balances power, portability, and convenience for your projects.
Frequently Asked Questions
How much PSI do I need for a gas pressure washer?
For most home cleaning tasks, you need at least 3000 PSI to effectively remove dirt from driveways and concrete. A model like the Westinghouse WPX3400 with 3400 PSI gives you a good margin for tough jobs.
Is a gas pressure washer better than electric?
Gas pressure washers generally deliver higher pressure and flow, making them ideal for heavy duty cleaning of larger areas. Electric models are quieter and require less maintenance, but they lack the raw power for deep stains on concrete. You can compare both types on our pressure washers overview page.
Does the Westinghouse WPX3400 come with oil?
Yes, the WPX3400 includes engine oil and a quick start guide. You should add oil before the first use, as the unit is shipped without oil to prevent leaks.
Can I use a foam cannon with the Westinghouse WPX3400?
Yes, this washer is compatible with foam cannons and other accessories that have M22 fittings. The included soap nozzle also works for applying detergent directly from the onboard tank.
