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Westinghouse WPX4400 vs Westinghouse WPX3800

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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#2 of 11 in Gas Pressure Washers

Westinghouse WPX3800

6.6/10

Best for: 3,800 PSI at 3.6 GPM with triplex pump

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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 WPX3800Weight
PressureThe maker's listed pressure. 4400 PSI 3800 PSI 30%
FlowThe maker's listed water flow. More flow rinses faster. 4.2 GPM 3.6 GPM 25%
Cleaning units (computed)Computed: listed PSI × listed GPM. 18480 CU 13680 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 91 lb 5%
Cleaning units basiscomputed: 4,400 PSI × 4.2 GPMcomputed: 3,800 PSI × 3.6 GPMinfo
Pump3-Piston Triplex3-Piston Triplexinfo
Engine420cc274ccinfo
CARBNo (per maker)No (per maker)info
GenPick score9.5/106.6/10100%

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 WPX3800

Better published figure on: Weight.

What we like

    Watch out for

      Verdict

      The WPX4400 lists 4,400 vs 3,800 PSI, 4.2 vs 3.6 GPM and a 50 vs 35 ft hose, but weighs 142 vs 91 lb.

      Westinghouse WPX4400 on AmazonWestinghouse WPX3800 on Amazon
      Spec sources

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