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Sun Joe SPX3550 vs SPX3500 - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Sun Joe SPX3500 and the Sun Joe SPX3550.

But before checking out explanations regarding their power, design, and features here's a table that summarizes the main pros of each of these 2 pressure washers:

Sun Joe SPX3500Sun Joe SPX3550
Sun Joe SPX3500Sun Joe SPX3550

Spec-wise, this product does not have any notable advantage over the Sun Joe SPX3550

  • Higher GPM
  • Lighter
  • Less expensive
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Given their common origin from Sun Joe, the SPX3500 and SPX3550 should exhibit similar levels of quality and attention to detail.

Power Comparison

  • Fuel: Both units are corded electric pressure washers, providing consistent power throughout your cleaning projects without the need to stop for refills or battery recharges.
  • Engine & Pump: Utilizing axial-type pumps, both the Sun Joe SPX3500 and the Sun Joe SPX3550 are recognized for their lightweight construction and straightforward operation. The Sun Joe SPX3500 operates its pump with a 13-amp motor, while the Sun Joe SPX3550 employs a 14.9-amp motor. Both units utilize motors of the Induction type.

The following charts are provided to show you at a glance how the main specs of the Sun Joe SPX3500 compare to the Sun Joe SPX3550.

  • Pressure: With very similar maximum reachable pressures (2300 PSI for the Sun Joe SPX3500 and 2350 PSI for the Sun Joe SPX3550), both devices should deliver equal efficiency in lifting and blasting away dirt.
  • Water Flow: At low pressure, the SPX3550 exhibits a much higher water flow compared to the SPX3500. With a capacity of up to 1.8 GPM (gallons per minute) compared to the SPX3500's maximum flow of 1.48 GPM, it should enable dirt and debris removal with significantly greater effectiveness.
  • Cleaning Power: With the difference in Cleaning Units between the Sun Joe SPX3500 and the SPX3550 (2180 and 2200 CU, respectively) being insignificant, it's fair to say that both devices exhibit identical overall cleaning effectiveness.

Design Comparison

  • Design: Built with portability as a priority, both units sport a compact design, offering users flexibility for cleaning tasks wherever they go.
  • Design: Built with portability as a priority, both units sport a compact design, offering users flexibility for cleaning tasks wherever they go.
  • Weight: Weighing 24 lbs, the SPX3550 is far lighter than the 36.8 lbs of the SPX3500, providing users with enhanced portability, easier transportation, and greater convenience.
  • Maneuverability: Both items come with wheels, greatly improving their ease of movement. Featuring a handle, both products aim to improve your grip, providing enhanced comfort and control during maneuvering or transportation.

Feature Comparison

  • Soap Addition: Both washers enable users to mix chemical detergent solutions with the water, enhancing their cleaning performance. Regardless of whether you pick the SPX3500 or the SPX3550, you'll have the convenience of an onboard soap tank, allowing you to store your cleaning chemicals conveniently and keep them at your fingertips during cleaning sessions. The soap capacity of both units is identical, with the tanks capable of holding 0.32 gal of detergent.
  • Trigger Gun & Wand: Each of these units is supplied with a fairly standard ergonomic trigger gun and a classic wand.
  • Nozzles: Both the SPX3550 and the SPX3500 arrive with a set of 5 nozzles included, ensuring you have the right tools for various cleaning tasks. The set of included nozzles is the same in either case: 0°, 15°, 25°, 40°, and a soap nozzle.
  • Reach: Out of the box, both units offer a 20 ft high-pressure hose, granting equal flexibility in movement around the unit. With power cords measuring 35 ft, both units allow for an equivalent distance from an electrical outlet.
  • Storage: With onboard storage included, both the SPX3500 and SPX3550 keep your nozzles and essential accessories neatly organized and readily accessible. Both washers feature a set of hooks to help you neatly store their high pressure hoses when not in use.
  • Accessories: In addition to the typical accessories, the Sun Joe SPX3550 also includes a garden hose adapter.

TL;DR

Sun Joe SPX3500Sun Joe SPX3550
Sun Joe SPX3500Sun Joe SPX3550

Spec-wise, this product does not have any notable advantage over the Sun Joe SPX3550

  • Higher GPM
  • Lighter
  • Less expensive
Show all offers
Show all offers
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