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 SPX3500 | Sun Joe SPX3550 |
|---|---|
 |  |
Spec-wise, this product does not have any notable advantage over the Sun Joe SPX3550 |
|
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Power Comparison
- Fuel: Both units are corded electric pressure washers, offering the convenience of continuous power without the need for refueling or recharging, ideal for longer cleaning sessions.
- Engine & Pump: Axial-type pumps are utilized in both the Sun Joe SPX3500 and the Sun Joe SPX3550, appreciated for their lightweight structure and user-friendly nature. The Sun Joe SPX3500's pump is powered by a 13-amp motor, while the Sun Joe SPX3550 utilizes a 14.9-amp motor. Both motors are 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: The Sun Joe SPX3500 and the Sun Joe SPX3550 feature very similar maximum reachable pressures (2300 PSI and 2350 PSI respectively), so they should both excel at lifting and blasting away dirt with equal effectiveness.
- Water Flow: The SPX3550, at low pressure, provides a much higher water output than 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 allow for swift rinsing with significantly greater effectiveness.
- Cleaning Power: With an equal cleaning power of 2200 Cleaning Units, both devices provide the same level of overall cleaning efficiency.
Design Comparison
- Design: Prioritizing portability, both units are constructed with a compact form factor, allowing users to easily transport them for cleaning tasks.
- Design: Prioritizing portability, both units are constructed with a compact form factor, allowing users to easily transport them for cleaning tasks.
- Weight: Weighing 24 lbs, the SPX3550 is distinctly lighter than the 36.8 lbs of the SPX3500, giving users added convenience and ease of use.
- Maneuverability: Each product is equipped with wheels, significantly enhancing their maneuverability. Both products feature a handle, designed to enhance your grip for improved comfort and control when maneuvering or transporting them.
Feature Comparison
- Soap Addition: Both washers allow for the addition of chemical detergent solutions to the water. Both the SPX3500 and the SPX3550 offer the convenience of an onboard soap tank, allowing you to conveniently store your cleaning chemicals within the unit itself, ensuring easy access and streamlined cleaning workflows. Both units feature soap tanks with equivalent capacity, allowing for storage of 0.32 gal of detergent in each.
- Trigger Gun & Wand: Included with both units is 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: Featuring the same 20 ft high-pressure hose, neither product offers a superior range of motion around the unit upon unboxing. The Sun Joe SPX3500 and the Sun Joe SPX3550, each equipped with a 35 ft power cord, share an equal range from an electrical outlet.
- Storage: The SPX3500 and SPX3550 both offer onboard storage that allows you to neatly keep the nozzles and accessories you need at hand. Both washers come equipped with a set of hooks, ensuring tidy storage for their high-pressure hoses.
- Accessories: Alongside the standard accessories, the Sun Joe SPX3550 model also offers a garden hose adapter.
TL;DR
| Sun Joe SPX3500 | Sun Joe SPX3550 |
|---|---|
| |
Spec-wise, this product does not have any notable advantage over the Sun Joe SPX3550 |
|
| Buy on Amazon (opens in a new tab) | Buy on Amazon (opens in a new tab) |
Show all offers | Show all offers |
