Big Brute 4000PSI Honda Gx390E Key St Hot Water Pressure Washer

By : Simpson

SKU : 65106
  • Quick Specs
  • PSI: 4000
  • GPM: 4
Regular Price: $5,299.99
In Stock

We regret to inform you that Simpson branded gasoline powered products are currently unavailable for delivery to the State of California. However, our experienced Sales Team is here to assist you in finding suitable alternatives from our wide range of Water Cannon products. Please feel free to call us at 1-800-333-9274 for personalized assistance.

Battery Specifications - 12 Volt Rating 165 Cold Crank Amps – 190 Cranking Amps – Deep Cycle - Marine Grade Rechargeable Battery

Dimensions of Battery Box 8” x 5” x 6”

Simpson Brand Pressure Washers are built to order in the USA please allow 3-7 work days for processing plus transport time via Motor Freight from Pleasant Prairie, WI 53158.

BIG BRUTE Hot Water Series

The SIMPSON® Big Brute 4000 PSI @ 4.0 GPM hot water pressure washer powers through industrial cleaning applications. Industry experts rely on the Big Brute for enhanced cleaning power and efficiency. The BB65105 runs on a Honda GX 390 Battery key-start with a backup recoil manual start engine and comes with a 50’ hose, an ergonomic spray gun and 5 Quick Connect nozzles.


  • 4000 PSI @ 4.0 GPM
  • Honda GX390
  • COMET Industrial triplex pump
  • Armor hose 3/8" x 50′ steel braided hot water hose w/ quick connect
  • Ergonomic hot water spray gun
  • 5 Quick connect nozzle tips: 0°, 15°, 25°, 40° and soap
  • 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, Cast Iron Sleeve for longevity, Dual Element Air Cleaner, the Industries best 3 year warranty and a Nationwide Service Network.
  • With 4.0GPM and 4000PSI and a 132 degree temperature rise, this pressure washing unit will get the job done. 
  • Each model comes with all the necessary accessories for you to get started right away. 
  • To protect your investment there is a 3 Year Warranty on the engine and 5 Year Warranties on the Pump and 2 Year on the Frame!
  • Powerful triplex plunger pump with VRT3 unloader valve with EZ start features minimizes static back pressure for no load startup, high limit switch, thermal relief safety valve and inline fuel filter. 
  • This unit will perform anywhere that water can be supplied and does requires external 120 Vt power.
  • 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. 
  • Pressure washer Safety Rule; always wear ear protection to cut noise and eye protection and or a face shield to prevent debris from flying or ricocheting into your eyes or face which could result in serious injury.
  • For product questions we invite you to call 1-800-333-9274 and speaking with one of our industry trained sales team.
  • Simpsons Product warranty support is handled through Simpson's contracted service centers. You can reach them toll-free by calling 877-362-4271. You will be required to know your Model Number and Serial Number which can be found where the handle meets the platform base.


  • PSI: 4000
  • GPM: 4.0
  • Engine: Honda GX390
  • Pump: COMET triplex plunger pump
  • Pump/Hose Connection: Quick connect
  • Tires: 10" Premium
  • Gun/Hose Connection: 
  • Wand
  • Nozzle: 0°,15°, 25°, 40° and Soap
  • Frame: Welded steel construction frame


  • Pressure washer
  • Hose
  • Gun
  • Wand
  • 5 Quick connect nozzles
  • Engine Oil
  • Quick set-up guide
  • Manual
Honda Warranty

California Residents - Click here for Prop 65 WARNINGS


Start Date: 02/03/2020
GTIN: 636893404221
Manufacturer: Simpson
SKU: 65106
PSI: 4000
GPM: 4
Drive Type: Direct Drive
Powered By: Gas
Cold or Hot Water: Hot Water
Engine: Honda
Variant MPN: 65110

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