10 Best 4000 Watt Generator of April 2024

List of Top Rated 4000 Watt Generator from thousands of customer reviews & feedback.

Updated On Apr 2024

2,695 Reviews Studied

By Customer Ratings

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DuroMax New_XP4000S Refurbished 4000W 50-State Portable Gas Engine Generator, Blue Read Review

  • Your purchase includes One DuroMax XP4000S 4000 watt 7-Hp Air Cooled OHV Gas Engine Portable RV Generator, One oil funnel, One spark plug wrench, tools set, DC charging cables and owner’s manual
  • Portable Generator dimensions: 24” L x 17" W x 17" H. Product weight: 105 lbs
  • Specifications: Noise level – 69 dB. Fuel tank capacity (GASOLINE) – 3.96 gallons
  • Run your generator with Gasoline for long lasting power
  • With 4,000 starting watts and 3,300 running watts, this unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools

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WEN 56475 4750-Watt Portable Generator with Electric Start and Wheel Kit Read Review

  • Digital readout helps manage oil changes and maintenance schedule
  • Features electric start, low-oil shutdown, an automatic voltage regulator and overload protection to maximize safety
  • CARB and EPA III meet requirements for sale in all 50 states
  • Includes wheel kit and foldable handles for easy transport
  • 223cc engine provides 4,750 surge watt and 3,750 rated watt

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Champion Power Equipment 100573 4000-Watt DH Series Open Frame Inverter, Wireless Remote Start Read Review

  • Advanced Open Frame Inverter Design: 50% quieter and 20% lighter than a traditional Champion 3500-watt generator, plus this inverter only produces Clean Power, and Economy Mode saves fuel
  • Wireless Remote Start: The wireless remote key fob allows you to start and stop your inverter from up to 80 feet away, plus the electric push-button start includes a battery
  • Quiet Technology and Extended Run Time: 64 dBA is great for RVs, tailgating, your next project or home backup, with 4000 starting watts and 3500 running watts for up to 17 hours run time on gasoline
  • Parallel Ready: The optional Parallel Kit allows you to increase your power output even more by connecting up to two 2800-watt or higher inverters or digital hybrids
  • Champion Support: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

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XtremepowerUS 4000-Watt Gasoline Generator Emergency Lifan Engine Camping 4-Cycle Gas Powered Air Cooled OHV (EPA) Read Review

  • Ideal Generator - Great for campgrounds, construction sites, backyard, party, tailgates and power outages
  • Safe and Easy Operation - Feature a user-friendly, Recoil start, that's easier than starting a lawn mower
  • Fully Loaded Power Panel - Panel has a engine shutoff switch, volt meter and circuit breakers
  • Powerful Generator - The Powerful 4000W Engine is Air Cooled and can withstand use and abuse
  • Powerful AC and DC Output - Featuring (1) 120V AC Twist-Lock Receptacles and (2) 120V 20amp AC Receptacles, so you can charge and power multiple devices at once

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Champion 3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start Read Review

  • Dual Fuel: Operate your 3800-watt portable generator right out of the box on either gasoline or propane, plus the unit holds 0.6-quarts of oil (included) and has a low oil shut-off sensor
  • Electric Start: Power up the 224cc Champion engine with the handy toggle switch, battery included
  • Intelligauge: Keep track of voltage, hertz and run-time hours to easily monitor power output and track maintenance intervals
  • Outlets: One 120V 30A RV outlet (TT-30R), one 120V 30A locking outlet (L5-30R) and two 120V 20A household outlets (5-20R) - trust Volt Guard built-in surge protector to prevent overloads
  • Champion Support: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

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Champion 3500-Watt Dual Fuel RV Ready Portable Generator Read Review

  • Your purchase includes One Champion 3500-Watt Dual Fuel RV Ready Portable Generator and One LPG Hose with Regulator
  • Portable Generator dimensions – 23.2” L x 19.1" W x 20" H | Product weight – 104.9 lbs. | Hose length – 3.3’
  • Specifications: Noise level – 68 dBA. Fuel tank capacity (GASOLINE) – 3.4 gallons | Engine Size 224cc
  • Operate your 3500-watt portable generator right out of the box on either gasoline or propane, plus the unit holds 0.6-quarts of oil and has a low oil shut-off sensor
  • Keep track of voltage, hertz and run-time hours to easily monitor power output and track maintenance intervals with Intelligauge
  • Outlets – One 120V 30A RV outlet (TT-30R), one 120V 30A locking outlet (L5-30R) and two 120V 20A household outlets (5-20R)

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Generac 7127 iQ3500-3500 Watt Portable Inverter Generator Quieter Than Honda, Orange/Black Read Review

  • IDEAL FOR WORK OR PLAY - durable Steel enclosure, clean inverter power and easy portability make this the ideal generator for jobsites or recreational activities.
  • DIGITIAL SMART LCD - digital wattage meter, run time remaining display, generator status, hour meter and fuel level.
  • USB PORTS - charge mobile devices including smartphones and tablets.
  • ELECTRIC START* WITH POWERDIAL Start/Run/Stop - Three operation settings integrated into one simple-to-use dial (*Battery Included).
  • PARALLEL-READY - Connect two iQ3500 inverter generators for twice the power (Parallel Kit #7668 sold separately).
  • ULTRA-QUIET – 40% Quieter than Honda*. Advanced inverter technology and enclosure design provide optimal quiet performance (* Over 5 dB(A) quieter than the EU3000is, based on independent third-party testing).
  • 16% More Power than Honda*. Featuring POWERRUSH ADVANCED TECHNOLOGY - Delivers over 50% more starting capacity allowing you to do more with less**(*500 more starting watts than eu3000is, based on manufacturer’s specifications.)(**Increases electrical current upon demand; above rated output when starting electric motors.)

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WEN 56125i Super Quiet 1250-Watt Portable Inverter Generator, CARB Compliant Read Review

  • Extremely quiet operation comparable to the sound of a normal conversation according to the US Department of Health and Human Services
  • EPA III and CARB Compliant 60cc OHV engine produces 1250 surge watts and 1000 rated watts
  • Great for campgrounds, construction sites, tailgates and power outages
  • Produces clean power to safely operate and prevent damage to sensitive electronics such as smart phones, tablets, televisions and computers
  • Includes two three-prong 120V receptacles and two 5V USB ports

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Sportsman GEN4000, 3500 Running Watts/4000 Starting Watts, Gas Powered Portable Generator Read Review

  • 4,000 Watts Rated, 3,500 Starting Watts; Outlets: 4-120 volt outlets, 1-120V RV outlet, and 1-12 volt DC outlet for battery charging
  • Runs off of gasoline, 7.0 HP, 4 stroke OHV engine with low oil shutdown, 3600 RPM, 212cc; EPA approved
  • Runs for 10 hours on a full tank of gas (3.6 gal.) at 50% load, Decibel rating ; 69 decibel
  • Recoil Start, Weight: 91 lbs.; Dimension: 23" (L) x 17.5" (W) x 19.5" (H)

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Rainier R2200i Super Quiet Portable Power Station Outdoor Inverter Generator - 1800 Running & 2200 Peak - Gas Powered -... Read Review

  • 1800 Rated Watts and 2200 Peak Watts; Gasoline Powered; Up to 13 Hours of Run Time; Gasoline Powered; 1.3 Gallon Fuel Tank
  • Rainier 79cc OHV 4 Stroke Engine with Easy Access Recoil Start; Features “Eco (Economy) Mode” for Conserving Energy and Maximum Fuel Efficiency
  • Super Quiet Operation; Enjoy a Hushed Hum of as Low as 52 dBA While Providing A Stable Power Source for All Your Sensitive Electronics Such as Smartphones, Tablets, Televisions, and Computers (noise rating obtained at a distance of 7 meters in a controlled environment)
  • Control Panel Includes Low Oil Alarm, Overload Alarm, and Output Indicator; Two 5-20R 120V 20 AMP Household Outlets; One 12V 15 AMP DC Outlet; One Neutral Floating Grounding Port; Stop and Reset Buttons
  • Equipped with Built-In Handle at a Lightweight 44 Lbs.; Ultra Compact and Portable to Make Transporting Your New Generator Effortless Wherever You Go
  • EPA and CARB Compliant; Versatile Choice for Home Use or Recreation Use Such as Power Outages, Camping, Outdoor Activities, Emergency Backup Power. RV air conditioner (11,000 BTU)
  • Backed By a 3-Year Limited Warranty