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Westinghouse WPX3800

Ranked #2 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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#2

Westinghouse WPX3800

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

6.6/10

What we like

    Watch out for

      Score breakdown

      Pressure 30%
      Flow 25%
      Cleaning units (computed) 20%
      High-pressure hose length 10%
      Triplex pump 10%
      Weight 5%
      Pressure3800 PSI
      Flow3.6 GPM
      Cleaning units (computed)13680 CU
      High-pressure hose length35 ft
      Triplex pumpYes
      Weight91 lb
      Cleaning units basiscomputed: 3,800 PSI × 3.6 GPM
      Pump3-Piston Triplex
      Engine274cc
      CARBNo (per maker)
      PriceCheck price
      Check price at Amazon
      Specs source:

      Westinghouse WPX3800 head-to-head

      Head-to-headWestinghouse WPX4400 vs Westinghouse WPX3800Head-to-headWestinghouse WPX3800 vs Westinghouse WPX3600 Featured inBest Triplex-Pump Gas Pressure Washers (2026)

      How it compares

      Open the full comparison table

      Westinghouse WPX4400
      9.5/10
      #1 · Most pressure and flow here: 4,400 PSI at 4.2 GPM
      Westinghouse WPX3600
      4.7/10
      #3 · 3,600 PSI triplex with 35 ft hose
      Champion PRO 3500 PSI Pressure Washer (100787)
      4.6/10
      #4 · Honda-powered triplex with 50 ft hose, CARB compliant
      WEN PW224G
      2.5/10
      #5 · 3,400 PSI at 2.7 GPM with 223cc engine
      Champion 3200 PSI Pressure Washer (100578)
      2.1/10
      #6 · 3,200 PSI at 2.5 GPM, 57 lb
      Champion 3000 PSI Pressure Washer (201425)
      1.6/10
      #7 · 3,000 PSI at 2.5 GPM
      Champion 3000 PSI Pressure Washer (100579)
      1.4/10
      #8 · Honda-powered, CARB compliant, 51 lb
      Champion 3100 PSI Pressure Washer (100780)
      1.4/10
      #9 · 3,100 PSI with 224cc engine
      Westinghouse WPX3000
      1.4/10
      #10 · Lightest here: 50.7 lb
      Champion 2800 PSI Pressure Washer (100778)
      0.5/10
      #11 · 2,800 PSI at 2.1 GPM