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Westinghouse WPX4400 vs Westinghouse WPX3600

Two of the gas pressure washers in our best gas pressure washers: westinghouse, champion & wen comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.

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#1 of 11 in Gas Pressure Washers

Westinghouse WPX4400

9.5/10

Best for: Most pressure and flow here: 4,400 PSI at 4.2 GPM

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#3 of 11 in Gas Pressure Washers

Westinghouse WPX3600

4.7/10

Best for: 3,600 PSI triplex with 35 ft hose

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Spec-by-spec comparison

Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.

SpecWestinghouse WPX4400Westinghouse WPX3600Weight
PressureThe maker's listed pressure. 4400 PSI 3600 PSI 30%
FlowThe maker's listed water flow. More flow rinses faster. 4.2 GPM 2.7 GPM 25%
Cleaning units (computed)Computed: listed PSI × listed GPM. 18480 CU 9720 CU 20%
High-pressure hose lengthLonger hoses mean less moving the unit. 50 ft 35 ft 10%
Triplex pumpYes when the maker lists a triplex (plunger) pump, which is typically serviceable and longer-lived than an axial cam pump. Yes Yes 10%
WeightThe maker's listed weight. 142 lb 79 lb 5%
Cleaning units basiscomputed: 4,400 PSI × 4.2 GPMcomputed: 3,600 PSI × 2.7 GPMinfo
Pump3-Piston Triplex3-Piston Triplexinfo
Engine420cc212ccinfo
CARBNo (per maker)No (per maker)info
GenPick score9.5/104.7/10100%

Where each one comes out ahead

Westinghouse WPX4400

Better published figure on: Pressure, Flow, Cleaning units (computed), High-pressure hose length.

What we like

  • Top pressure in this comparison (4400 PSI)
  • Top flow in this comparison (4.2 GPM)
  • Top cleaning units (computed) in this comparison (18480 CU)
  • Top high-pressure hose length in this comparison (50 ft)

Watch out for

  • Highest weight in this comparison (142 lb)

Westinghouse WPX3600

Better published figure on: Weight.

What we like

    Watch out for

      Verdict

      On published specs, the Westinghouse WPX4400 scores higher (9.5 vs 4.7). Specs don't capture sound character or feel, so weigh the pros and cons above too.

      • Choose the Westinghouse WPX4400 if this sounds like you: most pressure and flow here: 4,400 PSI at 4.2 GPM.
      • Choose the Westinghouse WPX3600 if this sounds like you: 3,600 PSI triplex with 35 ft hose.
      Westinghouse WPX4400 on AmazonWestinghouse WPX3600 on Amazon
      Spec sources

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