
Sun Joe
SPX-FC34-MXT Foam Cannon for SPX Series Electric Pressure Washers 34 Oz. | 1/4" Quick Connector | 5 Quick Connect Nozzle Tips

Our #1 Sun Joe pick
Top-ranked Foam Cannon in our Sun Joe lineup, scored independently on effectiveness, health, and environmental impact. No paid placements.
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By CarCareTruth Editorial. Last updated May 2026.
Sun Joe is the pressure-washer brand from Snow Joe LLC, a New Jersey company founded in 2004 by Joseph and Ari Cohen to build electric outdoor tools that matched gas-powered performance at a lower price. The Sun Joe home-and-garden line launched in 2009, and today the company runs four consumer brands (Snow Joe, Sun Joe, Aqua Joe, and Auto Joe) out of Mahwah, New Jersey. For car-care owners, the line that matters is the SPX series of affordable corded electric pressure washers, which Sun Joe markets as America's number-one-selling electric pressure washer line. Sun Joe is a US company, and its SPX pressure washers are built overseas in China.
| Product | Motor | Rated PSI / GPM | CCT score | Best for |
|---|---|---|---|---|
| SPX3000 | Universal (brush) | 2030 / 1.2 | 6.6 | The proven entry buy with the biggest support ecosystem |
| SPX3000-XT | Not specified | 2200 / 1.1 | 6.6 | A foam cannon in the box at 14.9 amps |
| SPX3000-XT1 XTREAM | Not specified | 2200 / 1.1 | 6.6 | The same kit plus brushes and a 3-year warranty |
| SPX3500 | Brushless induction | 2000 / 1.1 | 6.8 | The longest-lasting motor in the line |
| SPX-FC34-MXT Foam Cannon | n/a (accessory) | rated to 3000 PSI | 6.8 | Real thick foam the built-in soap dispensers cannot make |
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Sun Joe
SPX-FC34-MXT Foam Cannon for SPX Series Electric Pressure Washers 34 Oz. | 1/4" Quick Connector | 5 Quick Connect Nozzle Tips


As an Amazon Associate I earn from qualifying purchases. Full disclosure
Sun Joe sells one thing better than anyone in car care: a cheap electric pressure washer that works well enough for a weekly wash. The brand is built around price and volume, not premium engineering, and that is the honest frame for everything below. The SPX3000 alone is one of the most widely owned electric pressure washers on Amazon, which gives it the largest support base of any washer we cover.
That scale is the real reason to buy Sun Joe. Whatever foam cannon, replacement hose, or nozzle you want to bolt on, someone has already tried it and written it up, because the SPX series uses the same standard 1/4-inch quick-connect fitting across the line.
The trade-off is that Sun Joe is explicitly consumer-grade, not commercial. These are homeowner tools for washing one or two vehicles on a weekend, not shop machines for all-day duty cycles. Price the line that way and it delivers. Expect it to replace a daily-use commercial unit and it will disappoint.
The SPX line reads like a confusing wall of near-identical model numbers, so here is the version that matters for car washing.
The SPX3000 is the original and the safe first buy. It is a 13-amp universal-motor unit rated at 2030 PSI and 1.2 GPM, with a 5-nozzle set and dual 0.9-liter detergent tanks. The universal motor is the budget choice: it works, but it has carbon brushes that wear, and it is built for occasional rather than constant use.
The SPX3000-XT and SPX3000-XT1 XTREAM step the amperage up to 14.9 amps, raise the rated pressure to 2200 PSI, and add a foam cannon in the box. The XT1 adds a wheel brush, a soft-bristle brush, and a 3-year warranty, which is one year longer than the rest of the line. The catch on both XT models: Sun Joe describes only a "14.9-amp motor" and never states whether it is universal or induction, so we score them conservatively as universal until that is confirmed.
The SPX3500 is the one model in the line with a motor worth paying up for. It carries a brushless induction motor, confirmed by Amazon's product spec sheet, which has no brushes to wear out, runs quieter, and is expected to outlast the universal-motor models. It is the highest-scoring washer in the lineup at a 6.8 CCT composite, and it is the pick if you expect this to last past a couple of seasons. One practical note: it has been listed out of stock on Amazon during 2026, so availability comes and goes.
A pressure washer is only as good as the foam it can throw, and this is where Sun Joe splits in two.
The foam cannons built into the XT and XT1 are fine for laying down soap on tires and panels, but reviewers consistently report they do not make the thick, clinging layer most owners want for a car wash. The 1.1 GPM rated flow on those models sits at the low end for thick foam, which is the underlying reason.
The fix is the dedicated SPX-FC34-MXT foam cannon, a 34-ounce unit with a top-mounted soap-ratio knob and an adjustable fan nozzle. Owners running SPX washers at 2,000 to 3,100 PSI report thick foam that clings until heat and gravity pull it down. It uses the same 1/4-inch quick-connect as every SPX machine, so it drops onto any of them without an adapter. One quirk worth knowing before you order: Amazon flags it as an Add-On Item, so you need a qualifying cart total to buy it on its own.
Sun Joe listings lead with a big "Max PSI" number (2500 on the SPX3000), and that figure does not describe how the machine cleans. Max PSI is a near-zero-flow peak measured at a point where almost no water is moving. The number that matters is the PWMA-rated working spec: pressure and flow measured together at a realistic operating point.
Multiply pressure by flow and you get cleaning units, the honest single number for comparing washers. On the SPX3000 that works out to roughly 2,436 label cleaning units, but independent community tests place practical output closer to 1,500 to 1,800 units at typical nozzle flow. The SPX3500 measured about 1,782 units in TechGearLab's independent test. That range is enough for light-to-moderate road grime on a regularly washed car, and short of what it takes to strip a deck or blast concrete.
Three real gripes, named plainly.
The motor spec is murky on most of the line. Only the SPX3500 clearly states a brushless induction motor. The base SPX3000 is a universal motor, and the XT and XT1 list only "14.9-amp motor" with no induction claim anywhere we could find. If motor longevity is your priority, that opacity matters, and the SPX3500 is the only safe answer.
The electrical-safety certification is claimed but not independently confirmed. Every SPX unit lists CSA certification on its retailer and brand pages, but we could not confirm a CSA listing number in the CSA Group public database for any of them, and none carry a UL or ETL listing. CSA is a legitimate OSHA-recognized testing lab on par with UL, so this is not a safety alarm, but it is a gap in the paper trail, and it costs every unit half a point in our health score.
The hose is short and there is no reel. Every SPX washer ships with a 20-foot hose and no hose reel, which is the same length as the entry model even on the step-up units. On a full-size truck you will be repositioning the machine to reach all four corners. For a sedan in a normal driveway it is a non-issue.
Buy the SPX3000 and add the SPX-FC34-MXT foam cannon. The SPX3000 is the proven, cheapest entry into the line with the deepest pool of owner reviews and accessory know-how, and the dedicated foam cannon fixes the one thing the built-in soap tanks do poorly. If you want the machine to last past two or three seasons and you can find it in stock, step up to the SPX3500 for the brushless induction motor. That is the whole decision: SPX3000 for value, SPX3500 for longevity, and the FC34-MXT either way for foam.
Who makes Sun Joe, and is there a parent company? Sun Joe is one of four brands owned by Snow Joe LLC, alongside Snow Joe, Aqua Joe, and Auto Joe. The company was founded in 2004 by Joseph and Ari Cohen and is based in Mahwah, New Jersey. It started with affordable electric snow blowers, launched the Sun Joe home-and-garden line in 2009, and expanded into pressure washers, lawn tools, and garage gear.
Where are Sun Joe pressure washers made? Sun Joe electric pressure washers are designed in New Jersey and manufactured in China. Sun Joe is a US-based company, but the SPX hardware itself is built overseas, which is normal for this price class.
Is Sun Joe pro-grade or consumer-grade? Consumer-grade. Sun Joe positions its tools as affordable equipment for the home and garage, not commercial machines for all-day professional use. They are built for an owner washing one or two vehicles on a weekend, not for a detailing shop running a unit eight hours a day.
What is the difference between the SPX3000, SPX3500, and the XT models? The SPX3000 is the original 13-amp universal-motor unit rated 2030 PSI. The SPX3000-XT and SPX3000-XT1 step up to 14.9 amps and 2200 PSI rated, and include a foam cannon in the box, with the XT1 adding brushes and a 3-year warranty. The SPX3500 is the only model with a confirmed brushless induction motor, which is the meaningful durability upgrade in the line.
Which Sun Joe pressure washer is best for washing a car? For most owners, the SPX3000 paired with the dedicated SPX-FC34-MXT foam cannon. If you want the most durable motor and can find it in stock, the SPX3500. Output is similar across the line and right for road grime and bug splatter on a regularly washed daily driver, so the choice comes down to motor durability and which kit you want.
Do Sun Joe washers work with a foam cannon? Yes. Every SPX washer uses a standard 1/4-inch quick-connect fitting, so it accepts the Sun Joe SPX-FC34-MXT and most third-party foam cannons without an adapter. The 1.1 to 1.2 GPM rated flow is at the lower threshold for thick foam, so a dedicated cannon makes a bigger difference here than it does on a higher-flow gas unit.
Is the foam cannon included with the XT and XT1 any good? It works for laying soap on tires and panels, but owner reviews consistently say it does not produce the thick, clinging foam most people want for a car wash. If foam quality matters to you, budget for the dedicated SPX-FC34-MXT cannon, which owners confirm makes thick foam at SPX operating pressures.
Are Sun Joe pressure washers UL listed or CSA certified? Sun Joe lists CSA certification on its retailer and brand pages for the SPX line. CSA is an OSHA-recognized testing lab equivalent to UL. At the time of our review, we could not confirm a CSA listing number in the CSA Group public database for these models, and none carried a UL or ETL listing. PWMA certification, which the units also carry, verifies pressure and flow performance, not electrical safety.
What is the real cleaning output, not just the Max PSI on the box? The "Max PSI" headline (for example, 2500 on the SPX3000) is a near-zero-flow peak and does not describe cleaning power. The PWMA-rated working spec is the honest figure: about 2030 PSI at 1.2 GPM on the SPX3000. Multiplied out, practical community-measured output lands around 1,500 to 1,800 cleaning units, enough for light-to-moderate road grime on a regularly washed car.
Is Sun Joe better than Karcher, Greenworks, or Ryobi? For a low-cost electric washer aimed at occasional car washing, Sun Joe is the value pick with the deepest owner-review base. Some competitors publish a clearer motor spec and longer warranty: Greenworks, for example, lists a confirmed brushless motor and a longer motor-warranty term on models like the GPW2700. Against Karcher and Ryobi, the call comes down to the same trade: Sun Joe wins on price and the size of its accessory ecosystem, the others can win on a confirmed motor type or warranty length. Pick Sun Joe on price and ecosystem; cross-shop on motor type and warranty if longevity is the priority.
See where Sun Joe lands in our ranked buying guides.