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Westinghouse WPX4400

Ranked #1 of 11 in Best Gas Pressure Washers: Westinghouse, Champion & WEN (2026). Here is every spec we scored, where it came from, and how it compares.

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#1 · Top pick

Westinghouse WPX4400

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

9.5/10

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)

Score breakdown

Pressure 30%
Flow 25%
Cleaning units (computed) 20%
High-pressure hose length 10%
Triplex pump 10%
Weight 5%
Pressure4400 PSI
Flow4.2 GPM
Cleaning units (computed)18480 CU
High-pressure hose length50 ft
Triplex pumpYes
Weight142 lb
Cleaning units basiscomputed: 4,400 PSI × 4.2 GPM
Pump3-Piston Triplex
Engine420cc
CARBNo (per maker)
PriceCheck price

Westinghouse WPX4400 head-to-head