Contractor Honda GX390-4200PSI Pressure Washer

By : Water Cannon

SKU : 11H43
  • Quick Specs
  • Manufacturer: Water Cannon
  • PSI: 4000
  • GPM: 4
Regular Price: $1,945.00
In Stock


  • Honda GX Engines are known for their easy starting, smooth running features, fuel economy and easy to navigate controls.
  • Honda is committed to producing GX Series Engines for use in all 50 states. 
  • Honda engines meet the new, more stringent CARB emission requirements, and will be ready for the future lower EPA and CARB standards as they are introduced. 
  • In addition, Honda engines meet CARB exhaust emission requirements without the use of a catalytic converter.
  • Honda Engines’ Intelligent features include Overhead valve design, Low tone muffler with heat shield, Low oil shut down, Automatic decompression, Down-draft style carburetor for first pull stating, Adjustable throttle to control pressure and fuel consumption, Cast Iron Sleeve for longevity, Dual Element Air Cleaner, the “Industries Best” 3 year warranty and a Nationwide Service Network.

Durable Stainless-Steel frame with flat-free tires to easily handle tough terrain. Stabilizing rubber feet reduce vibration and convenient shut off control, spray lance holder and hose hook are included. On-board storage for quick connect color coded spray nozzles are easily accessible.


  • Forged Bronze Connecting Rods with Lifetime Warranty and Hardened Stainless Steel Piston Guides.
  • COMET PUMPS offer extended life with High Efficiency Stainless Steel Check Valves, Abrasion Proof, Heat Resistant, Industrial Ceramic Plungers and High Quality Buna-Textile Double-Sealing V-Packings.
  • Industry Leading Diecast, Anodized Aluminum Crankshaft-Fin Design for Optimal Operating Temperature.
  • Powerful triplex plunger pump with VRT3 (Industry Favorite) unloader valve with EZ start features minimizes static back pressure for no load startup, thermal relief safety valve and inline fuel filter. 
  • Additionally, this model includes an overheat safety valve that will open and close automatically to allow the recirculating higher temperature water to be released and allow cool water to replace it, helping to protect the wear parts.


  • GX390 Honda Engine with Low Oil Shutdown
  • Comet ZWD4040 Triplex Plunger Pump
  • 4300 PSI Peak Pressure
  • 4.0 GPM Water Flow Volume
  • Stainless Steel Frame Construction
  • Durable On-Board Gun & Hose Hanger
  • External VRT Unloader Valve with Cool Loop Bypass Hose
  • Built In  Easy Start Feature- Offers No-load Startup
  • Low-Profile Frame Design, Minimizes Tip-Over hazard
  • Ergonomic Design with Comfort Grip handles
  • Oversized 13” Flat Free Tires  with Chrome Hubs
  • Heavy Duty   3 / 4 “ Cold-Rolled Steel Axle with SS sleeve
  • Easy-View Inlet Water Filter
  • Trigger Gun – Wand Assembly with QC Connections
  • 4 Color Coded Nozzles with QC Connections
  • Downstream Chemical Injector with QC Connections
  • 50 Foot Gray Non-Marking Hose with QC Connections

Pressure Washers Manual

California Residents - Click here for Prop 65 WARNINGS


Canonical Reference: true
Manufacturer: Water Cannon
SKU: 11H43
PSI: 4000
Powered By: Gasoline
Pump: Comet ZWD4040
Engine: Honda GX390
Cold or Hot Water: Cold Water
Drive Type: Direct Drive
GPM: 4

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