Head-to-head

Westinghouse ePX3500 vs Karcher K1800PS Cube: Westinghouse adds hose reach, Kärcher fits a lower storage shelf

The short answer

Choose ePX3500 when swiveling wheels, a 25-foot hose and its 2000 PSI rated point suit the work. Choose K1800PS Cube when a lower storage body and foot-operated power switch are more useful. Both specify 1.2 GPM at their operating points. Their published weights use different accessory bases, so an exact carrying-weight advantage is not established.

Before you choose

The reasoning and the trade-offs

Low shelf storage is a real reason to choose the Cube

A storage bay with 14 inches of clear height can accommodate Karcher's 11.8-inch body, while Westinghouse's 16.5-inch body exceeds that height. Check the remaining dimensions and how the hose and accessories are stored. Prefer Karcher when the shelf is fixed and the shorter hose is sufficient. Prefer Westinghouse when floor storage and rolling movement are more useful than fitting a low compartment.

What this is based on

Fourteen lies between 11.8 and 16.5 inches. This is a bare-body storage check and does not allow operating either machine inside a confined shelf.

Main trade-off

Westinghouse ePX3500 Electric Pressure Washer

The body is 16.5 inches high

Main trade-off

Karcher K1800PS Cube Electric Pressure Washer

The included hose is 20 feet

Westinghouse ePX3500 Electric Pressure Washer

Westinghouse ePX3500 Electric Pressure Washer

Choose it for
  • Roll a four-caster machine around a suitable work area
  • Gain five feet of included pressure hose
Main trade-off
The body is 16.5 inches high
See price & reviews on Amazon
Karcher K1800PS Cube Electric Pressure Washer

Karcher K1800PS Cube Electric Pressure Washer

Choose it for
  • Store an 11.8-inch-high body
  • Use a foot-operated power switch
Main trade-off
The included hose is 20 feet
See price & reviews on Amazon

Analysis updated , Catalog updated , Amazon.com / United States

About this comparison

Compare Westinghouse ePX3500 and Karcher K1800PS Cube for rolling setup, shelf height, foot controls, hose reach and rated output.

Winner by situation

Start with what you need it to do

  • My storage shelf is only 14 inches high

    Westinghouse is 16.5 inches high and Karcher 11.8, before accounting for stored accessories.

    Westinghouse ePX3500 Electric Pressure Washer
    Not suitable
    Karcher K1800PS Cube Electric Pressure Washer
    Good
  • The included hose must cover a 23-foot unobstructed route

    The hoses are 25 and 20 feet. Safe routing still needs slack and clearance.

    Westinghouse ePX3500 Electric Pressure Washer
    Good
    Karcher K1800PS Cube Electric Pressure Washer
    Not suitable
  • I want a foot-operated power switch

    That control is documented for K1800PS Cube, not ePX3500.

    Westinghouse ePX3500 Electric Pressure Washer
    Not suitable
    Karcher K1800PS Cube Electric Pressure Washer
    Good
  • I need a verified complete carrying weight under 18 lb

    Westinghouse's body is 19 lb. Karcher's 16.3 lb excludes accessories.

    Westinghouse ePX3500 Electric Pressure Washer
    Not suitable
    Karcher K1800PS Cube Electric Pressure Washer
    Depends

What matters in practice

The differences that matter

Low shelf storage is a real reason to choose the Cube

A storage bay with 14 inches of clear height can accommodate Karcher's 11.8-inch body, while Westinghouse's 16.5-inch body exceeds that height. Check the remaining dimensions and how the hose and accessories are stored. Prefer Karcher when the shelf is fixed and the shorter hose is sufficient. Prefer Westinghouse when floor storage and rolling movement are more useful than fitting a low compartment.

How we reached this conclusion

Fourteen lies between 11.8 and 16.5 inches. This is a bare-body storage check and does not allow operating either machine inside a confined shelf.

Rolling and carrying are separate handling questions

Westinghouse's four swiveling locking wheels can reduce the need to pick up the machine as you move around a suitable level area. Karcher's foot switch avoids reaching down for that control, but does not provide the same rolling format. Its 16.3 lb weight excludes accessories, while Westinghouse states 19 lb without a matching basis. Choose for your actual movement pattern rather than claiming a precise 2.7 lb ready-to-use advantage.

How we reached this conclusion

The numerical weight subtraction would mix different documented configurations. Wheel behavior on uneven ground and personal lifting comfort were not tested.

Extra hose may matter more than the modest pressure difference

Westinghouse provides 25 feet of hose against Karcher's 20, a five-foot difference that may avoid one machine move in a suitably routed work area. Its rated 2000 PSI also exceeds Karcher's 1800, while both publish 1.2 GPM. Prefer Westinghouse if that reach or a verified pressure threshold matters. Prefer Karcher if the shorter route works and its storage or foot control solves the more important constraint.

How we reached this conclusion

25 minus 20 equals five feet. 2000 minus 1800 equals 200 PSI. Neither difference proves faster cleaning, and Westinghouse's separate 2500 PSI/1.76 GPM maxima are not its rated point.

Choice A
Westinghouse ePX3500 Electric Pressure Washer

Westinghouse, ePX3500

ePX3500 Electric Pressure Washer

A low, stable four-wheel electric with an integrated soap tank and compact footprint that follows the user around a vehicle.

Best matched use
Roll a four-caster machine around a suitable work area

Checked facts

  • Operating output: Rated operating output is 2000 PSI at 1.2 GPM.
  • Published weight: The body weighs 19 lb and is 16.5 inches tall.
  • Handling: Four locking wheels swivel through 360 degrees.
  • Hose and detergent: The included pressure hose is 25 feet and the detergent tank holds 20 oz.
Choice B
Karcher K1800PS Cube Electric Pressure Washer

Karcher, 1.106-200.0

K1800PS Cube Electric Pressure Washer

A carryable cube washer with a foot power switch, detergent tank and open accessory bin that favors quick setup over premium hose management.

Best matched use
Store an 11.8-inch-high body

Checked facts

  • Operating output: The published operating specification is 1800 PSI and 1.2 GPM.
  • Published weight: The body weighs 16.3 lb without accessories.
  • Handling: The power switch is foot-operated.
  • Hose and detergent: The included pressure hose is 20 feet and the removable detergent tank holds 0.3 US gallon.

Meaningful differences

What changes the fit

Meaningful differences between Westinghouse ePX3500 Electric Pressure Washer and Karcher K1800PS Cube Electric Pressure Washer
What changesWestinghouse ePX3500 Electric Pressure WasherKarcher K1800PS Cube Electric Pressure WasherWhy it matters
Operating outputRated operating output is 2000 PSI at 1.2 GPM.The published operating specification is 1800 PSI and 1.2 GPM.Use 2000 versus 1800 PSI with the shared 1.2 GPM flow.
Published weightThe body weighs 19 lb and is 16.5 inches tall.The body weighs 16.3 lb without accessories.Karcher's weight explicitly excludes accessories, preventing a precise loaded comparison.
HandlingFour locking wheels swivel through 360 degrees.The power switch is foot-operated.Rolling movement and a foot control solve different tasks.
Hose and detergentThe included pressure hose is 25 feet and the detergent tank holds 20 oz.The included pressure hose is 20 feet and the removable detergent tank holds 0.3 US gallon.Westinghouse has more included hose, while the detergent capacities use different units.

What you give up

Every choice has a cost

If you choose Westinghouse ePX3500 Electric Pressure Washer

  • The maximum figures exceed its rated operating point

If you choose Karcher K1800PS Cube Electric Pressure Washer

  • The 16.3 lb figure excludes accessories

Recommendation switch

The decision flips if...

Roll a four-caster machine around a suitable work area

Choose Westinghouse ePX3500 Electric Pressure Washer. Gain five feet of included pressure hose. The body is 16.5 inches high.

Store an 11.8-inch-high body

Choose Karcher K1800PS Cube Electric Pressure Washer. Use a foot-operated power switch. The included hose is 20 feet.

What matters in practice

Before you choose

Check these before buying

  • Measure stored height with the actual hose and accessories arrangement.
  • Use rated pressure and flow when checking attachment requirements.

What this comparison cannot tell you

  • No matched ready-to-use weight, sound or cleaning-speed test was established.

What the facts say

What the comparison shows

Useful conclusions from the current pressure washers comparison, followed by the checked facts used to reach them.

See the checked facts and calculation notes
Compared set
2 models
Source records
2 for the products shown
Catalog updated
Facts and source records used for the products in this recommendation
ProductNeeds matchedChecked factsSource records
Westinghouse ePX3500 Electric Pressure Washer
  • Roll a four-caster machine around a suitable work area
  • Gain five feet of included pressure hose
  • Operating output: Rated operating output is 2000 PSI at 1.2 GPM.
  • Published weight: The body weighs 19 lb and is 16.5 inches tall.
  • Handling: Four locking wheels swivel through 360 degrees.
  • Hose and detergent: The included pressure hose is 25 feet and the detergent tank holds 20 oz.
Karcher K1800PS Cube Electric Pressure Washer
  • Store an 11.8-inch-high body
  • Use a foot-operated power switch
  • Operating output: The published operating specification is 1800 PSI and 1.2 GPM.
  • Published weight: The body weighs 16.3 lb without accessories.
  • Handling: The power switch is foot-operated.
  • Hose and detergent: The included pressure hose is 20 feet and the removable detergent tank holds 0.3 US gallon.
  • Karcher K1800PS Cube Electric Pressure Washer specifications: Karcher (product specification)

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