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Sun Joe SPX3000 vs Kärcher K1700 - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Kärcher K1700 and the Sun Joe SPX3000.

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:

Kärcher K1700Sun Joe SPX3000
Kärcher K1700Sun Joe SPX3000
  • Higher Cleaning Units
  • Aluminum frame
  • Lighter
  • Higher PSI
  • Higher GPM
  • Dual soap tank system
  • More nozzles
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Due to differing manufacturers, the Sun Joe SPX3000 and Kärcher K1700 may exhibit variations in their overall construction and technological features.

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: In both the Kärcher K1700 and the Sun Joe SPX3000, axial-type pumps are employed, valued for their lightweight build and ease of use. The latter's pump is manufactured by N-COR. The Kärcher K1700 operates its pump with a 14-amp motor, while the Sun Joe SPX3000 employs a 14.5-amp motor. Both units utilize motors of the Universal type.

The following charts are provided to show you at a glance how the main specs of the Karcher K1700 compare to the Sun Joe SPX3000.

  • Pressure: At 2030 PSI, the Sun Joe SPX3000 delivers a much higher force to tackle dirt and grime, outperforming the 1700 PSI of the Kärcher K1700.
  • Water Flow: At low pressure, the Sun Joe SPX3000 can produce a much higher volume of water than that of the Kärcher K1700. With a capacity of up to 1.76 GPM (gallons per minute) compared to the Kärcher K1700's maximum flow of 1.2 GPM, it should enable you to rinse away dirt and debris with significantly greater effectiveness.
  • Cleaning Power: With its 2040 C.U., the Kärcher K1700 demonstrates a a higher overall cleaning efficiency than the Sun Joe SPX3000, which has 1798 C.U.

Design Comparison

  • Design: Tailored for mobility, both units feature a compact design, ensuring hassle-free transportation for cleaning tasks on the go.
  • Design: Tailored for mobility, both units feature a compact design, ensuring hassle-free transportation for cleaning tasks on the go.
  • Weight: Weighing in at 20.7 lbs, the K1700 is somewhat lighter compared to the 23.4 lbs of the SPX3000, providing users with enhanced portability and ease of handling.
  • Maneuverability: The inclusion of wheels on both products greatly enhances their maneuverability. Both products come equipped with a handle, engineered to enhance your grip for increased comfort and control while maneuvering or transporting them.

Feature Comparison

  • Soap Addition: Both washers support the addition of chemical detergent solutions to the water, improving their cleaning potential. For that, the Sun Joe SPX3000 has an advantage over the Kärcher K1700. The latter offers a single soap tank, whereas the former benefits from a dual soap tank system that lets you easily store and use 2 different cleaning solutions.
  • Trigger Gun & Wand: Each of these units is supplied with a fairly standard ergonomic trigger gun and a classic wand.
  • Nozzles: Both pressure washers come with 15° and soap nozzles, but the nozzle similarities stop here. The Kärcher K1700 adds a turbo nozzle, while the Sun Joe SPX3000's set includes 0°, 25°, and 40° nozzles.
  • 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: The K1700 and SPX3000 are designed with onboard storage solutions, making it easy to store and access your nozzles and accessories while working. Both washers provide a set of hooks, simplifying the process of storing their high-pressure hoses when not in use.
  • Accessories: In addition to the typical accessories, the Sun Joe SPX3000 also includes a garden hose adapter.

TL;DR

Kärcher K1700Sun Joe SPX3000
Kärcher K1700Sun Joe SPX3000
  • Higher Cleaning Units
  • Aluminum frame
  • Lighter
  • Higher PSI
  • Higher GPM
  • Dual soap tank system
  • More nozzles
Show all offers
Show all offers
1 Comment
  1. The review does not address the tendency for all upright electric pressure washers to fall over and break the (usually) plastic hose fittings. The little footie in the front is not enough. The lay-out of the Karcher here looks like a big improvement. I have a very nice Karcher upright model after the front foot was added and the foot itself broke off right away. Then I had to stock hand-fulls of the fittings. Now I strap the washer to an actual hand truck just to keep it upright. My next pressure washer will have four wheels or metal hose fittings.

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