Memorial DayFurther down the page, you'll find some explanations regarding the key similarities and differences between the Sun Joe SPX4600 and the Sun Joe SPX4000.
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 SPX4600 | Sun Joe SPX4000 |
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Power Comparison
- Fuel: Both units are electric pressure washers.
- Engine & Pump: The Sun Joe SPX4600 and the Sun Joe SPX4000 both use an axial-type pump to put water under pressure. In either case, the pump is powered by a 14.5-amp motor.
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 SPX4000.
- Pressure: With a maximum reachable pressure of 3000 PSI, the Sun Joe SPX4600 provides a much higher force to blast off dirt and grime than the 2030 PSI of the Sun Joe SPX4000.
- Water Flow: When operating at low pressure, the SPX4000 can generate a much higher maximum volume of water than the SPX4600. It can deliver up to 1.76 GPM (gallons per minute), whereas the SPX4600 offers a maximum water flow of 1.3 GPM. The former should thus allow you to rinse away dirt and debris with significantly better efficiency and speed.
- Cleaning Power: With its 2530 C.U., the Sun Joe SPX4600 offers a much higher overall cleaning efficiency than the SPX4000 and its 1798 C.U.
Design Comparison
- Design: Both units are constructed with a hand truck design. Therefore, if either of these 2 devices should provide better mobility, it would be due to its wheels and weight (which we detail just below).
- Weight: Weighing 27.8 lbs, the SPX4000 is far lighter than the 36.6 lbs of the SPX4600.
- Maneuverability: Both products benefit from a set of wheels, which greatly contributes to their maneuverability. Both offer a foam-padded handle, which improves your grip when you wish to move them.
Feature Comparison
- Soap Addition: Both washers allow for the addition of chemical detergent solutions to the water. Whether you choose the SPX4600 or the SPX4000, you'll be able to store your cleaning chemicals in the unit's onboard soap tank. However, as the SPX4600 can hold 1 gal of cleaning solution, it benefits from a bigger detergent tank than the SPX4000 and its 0.4 gal tank.
- Trigger Gun & Wand: Each of these 2 units comes with a fairly standard ergonomic trigger gun and a classic wand.
- Nozzles: Out of the box, the SPX4000 and the SPX4600 both come with a 5-nozzle package. The set of included nozzles is the same in either case: 0°, 15°, 25°, 40°, and a soap nozzle.
- Reach: Both products include a 20 ft high-pressure hose. Therefore, neither of them will, out of the box, allow for a higher freedom of movement around the unit. As both units feature a 35 ft power cord, their maximum allowable placement from an electrical outlet is the same.
- Storage: The SPX4600 and SPX4000 both offer onboard storage that allows you to neatly keep the accessories you need at hand. Both washers feature a set of hooks to help you neatly store their high pressure hoses when not in use.
TL;DR
| Sun Joe SPX4600 | Sun Joe SPX4000 |
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| $249 on eBay (opens in a new tab) | Buy on Amazon (opens in a new tab) |
Show all offers | Show all offers |
