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Sun Joe SPX3500 vs SPX4600 - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Sun Joe SPX4600 and the Sun Joe SPX3500.

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 SPX4600Sun Joe SPX3500
Sun Joe SPX4600Sun Joe SPX3500
  • Higher PSI
  • Higher Cleaning Units
  • Lighter
  • Bigger soap tank
  • Higher GPM
  • More mobile by design
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As members of the Sun Joe family of pressure washers, the SPX4600 and SPX3500 should adhere to the same standard of quality and attention to detail.

Power Comparison

  • Fuel: Both units are corded electric washers, offering sustained power for uninterrupted cleaning, making them reliable choices for tackling larger tasks without interruption.
  • Engine & Pump: The Sun Joe SPX4600 and the Sun Joe SPX3500 employ axial-type pumps, distinguished by their lightweight design and user simplicity. The Sun Joe SPX4600's pump is powered by a 14.5-amp motor, while the Sun Joe SPX3500 utilizes a 13-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 SPX4600 compare to the Sun Joe SPX3500.

  • Pressure: The Sun Joe SPX4600 generates a much higher force at its maximum reachable pressure of 3000 PSI, providing superior dirt and grime removal compared to the 2300 PSI of the Sun Joe SPX3500.
  • Water Flow: The SPX3500 delivers a noticeably higher water flow at low pressure compared to the SPX4600. Offering up to 1.48 GPM (gallons per minute) compared to the SPX4600's maximum flow of 1.3 GPM, it should provide quite greater effectiveness when rinsing dirt and debris away.
  • Cleaning Power: The Sun Joe SPX4600 exhibits a higher overall cleaning efficiency with its 2530 C.U. compared to the SPX3500's 2180 C.U.

Design Comparison

  • Design: If portability, mobility, and ease of storage are key considerations, the Sun Joe SPX4600's compact and portable design makes it the preferable choice. However, the Sun Joe SPX3500's hand truck design offers enhanced stability and ergonomic handling, which may be advantageous for certain tasks.
  • Design: If portability, mobility, and ease of storage are key considerations, the Sun Joe SPX4600's compact and portable design makes it the preferable choice. However, the Sun Joe SPX3500's hand truck design offers enhanced stability and ergonomic handling, which may be advantageous for certain tasks.
  • Weight: With a weight of approximately 36.6 lbs, the SPX4600 is slightly lighter in comparison. As a result, users may expect it to be more manageable for transportation and handling than the SPX3500, which has a weight of around 36.8 lbs.
  • Maneuverability: Both products benefit from a set of wheels, which greatly contributes to their maneuverability. Featuring handles—a foam-padded handle for the SPX4600 and a standard handle for the SPX3500—both products are equipped to enhance maneuvering.

Feature Comparison

  • Soap Addition: Both washers allow users to incorporate chemical detergent solutions into the water, boosting their cleaning efficiency. Whether you opt for the SPX4600 or the SPX3500, you'll enjoy the convenience of an onboard soap tank, providing hassle-free storage for your cleaning chemicals. However, the SPX4600 boasts a larger detergent tank, capable of holding 1 gal of cleaning solution, in contrast to the SPX3500's smaller tank, which holds only 0.32 gal.
  • Trigger Gun & Wand: Each unit comes standard with a fairly standard ergonomic trigger gun and a classic wand.
  • Nozzles: Upon unboxing, you'll find that both the SPX3500 and the SPX4600 come equipped with a set of 5 nozzles. In both instances, the assortment of nozzles provided is identical: 0°, 15°, 25°, 40°, and a soap nozzle.
  • Reach: Equipped with a 20 ft high-pressure hose each, both units provide identical freedom of movement around the unit upon arrival. Their 35 ft power cords ensure that both units can be placed at the same distance from an electrical outlet.
  • Storage: Both the SPX4600 and SPX3500 offer an onboard storage, allowing you to keep your nozzles and accessories close at hand for efficient cleaning tasks. With a set of hooks, both washers offer an organized way to store their high-pressure hoses.

TL;DR

Sun Joe SPX4600Sun Joe SPX3500
Sun Joe SPX4600Sun Joe SPX3500
  • Higher PSI
  • Higher Cleaning Units
  • Lighter
  • Bigger soap tank
  • Higher GPM
  • More mobile by design
Show all offers
Show all offers
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