Based on in-depth research and analysis of millions of customer reviews we did on the market this year. we are going to reveal the best 4000 watt inverter generator that you can buy confidently.

Cool Picks For 4000 watt inverter generator (Comparison Table)

Before we start, if you are in a hurry then here are our recommendations based on our in-depth research ordered by score.

10 Best 4000 watt inverter generator (Features & Benefits)

Great! Now that you have an idea about the products we are going to reveal in this post. let’s take a look at each item of the best 4000 watt inverter generator, explore the different specifications and features that it has to offer.

WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange

$401.73
$382.95
 in stock
2 new from $382.95
Free shipping
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • Dimensions: 19.8" L x 13.8" W x 18.9" H | Weight: 66.1 lb
  • Generate clean power to safely operate sensitive electronics such as phones, tablets, televisions and computers
  • Parallel-ready panel allows you to connect any two WEN inverter generators for increased wattage output
  • 212cc 4-stroke CARB-compliant OHV engine produces 4000 surge watts and 3500 rated watts
  • Includes two 120V NEMA 5-20R receptacles, two 5V USB ports, one 120V RV-ready TT-30R receptacle

WEN DF400i Super Quiet 4000-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut-Off

$793.37  in stock
2 new from $793.37
Free shipping
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • Dual fuel design runs on both gasoline (4000 surge watts, 3200 rated watts) and propane (3200 surge watts, 2900 rated watts)
  • Auto Fuel Selection Technology automatically switches from propane to gasoline for longer run times
  • EPA III and CARB compliant 212cc engine provides extremely quiet operation (58 dBA at quarter load, 22 feet)
  • Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
  • Produces clean power to prevent damage to sensitive electronics such as smart phones, tablets and laptops

Champion Power Equipment 100302 4000-Watt RV Ready Open Frame Inverter, Yellow

$1,091.00
$635.82
 in stock
5 new from $635.82
Free shipping
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • Advanced Open Frame Inverter Design: 50% quieter and 20% lighter than a traditional Champion 3500-watt generator, plus our Economy Mode feature saves fuel and extends engine life
  • 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
  • Clean electricity for sensitive electronics: RV Ready with a 120V 30A RV, plus two 120V 20A household outlets with clean power (less than 3% THD) and 12V DC outlet with dual USB adapter
  • Parallel Ready: Increase your power output by connecting up to two 2800-watt or higher inverter or digital hybrid with the optional Parallel Kit
  • Champion Support: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

DuroMax XP4000S Portable Generator-4000 Watt Gas Powered Camping & RV Ready, 50 State Approved

$399.00
$349.00
 in stock
3 new from $349.00
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • Plenty of Power – With 4,000 peak 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
  • Powerful Engine – The DuroMax 208cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools
  • Low Oil Shutoff – Protects your investment by automatically shutting the generator off when it senses that the oil is low
  • Power Panel – The power panel includes a selection of outlets for maximum compatibility in your applications including: (2) 120V household outlets and (1) 120V 30A twist lock outlet. The panel also includes a voltmeter for measuring voltage output
  • Complies with Emissions Standards – All DuroMax generators are both approved by the EPA (Environmental Protection Agency) and CARB (California Air Resources Board) and follow strict guidelines to ensure our generators are as environmentally friendly as possible

Champion Power Equipment 200986 4500-Watt Portable Inverter Generator, RV Ready

$960.48
$610.20
 in stock
6 new from $610.20
Free shipping
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • QUIET TECHNOLOGY: 61 dBA is great for RVs, tailgating, or camping with 4500 starting watts and 3500 running watts and up to 14 hours run time on only 2.3 gallons of gasoline
  • PARALLEL READY: The optional parallel kit (sold separately) enables this inverter to connect with another 2800-watt or higher Champion inverter to double your output power
  • INTELLIGAUGE: Monitor voltage, frequency and operating hours with ease, plus the EZ Start Dial simplifies startup while Economy Mode monitors power consumption in real time
  • CLEAN POWER: RV Ready with a 120V 30A RV, plus two 120V 20A household outlets with clean power (less than 3% THD) and a 12V automotive-style outlet, plus a handy dual port USB adapter
  • CHAMPION SUPPORT: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

GENMAX Portable Inverter Generator,5500W ultra-quiet gas engine, EPA Compliant, Eco-Mode Feature, Ultra Lightweight for Backup Home Use & Camping (GM5500i)

$1,099.99  in stock
1 used from $1,044.99
Free shipping
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • 【Powerful Engine】5000 Rated Watts and 5500 Peak Watts at Less Than 3% THD,Telescoping Handle ,Manual / Electric start, 3.9 Gallon Fuel Tank With Fuel Gauge,Up to 10 Hours of Run Time with 120/240V Volt Selector Switch.
  • 【Wide Application】 GENMAX portable generator is great for home emergency power supply,campgrounds, construction sites, mobile devices and power outages. This generator is very durable that provides continuous power to handle multiple jobs, such as powering high voltage appliances and heavy duty power tools in different job sites.
  • 【Multifunctional power supply panel】Includes low oil alarm, overload alarm,Co warning light ,output indicator features and Fault alarm function,“Eco mode” for conserving energy and maximum fuel efficiency,An easily accessible TT-30R RV outlet makes the perfect for travel trailers.
  • 【Quiet and Lightweight Structure】The compact suitcase design is easy to carry,Economy mode automatically adjusts engine speeds to save fuel and reduce sound emissions,The runtime sound is only 60 decibels, Integrated Off/Run/Choke Knob simplifies startup procedures.
  • 【CO Detect Shutdown】 Includes CO Detect shutdown sensor for Prevention of Carbon Monoxide Poisoning.

Westinghouse iGen4500 Super Quiet Portable Inverter Generator 3700 Rated & 4500 Peak Watts, Gas Powered, Electric Start, RV Ready, CARB Compliant

$1,025.00  in stock
3 new from $1,025.00
Free shipping
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • 3700 Rated Watts and 4500 Peak Watts at Less Than 3% THD – Telescoping Handle – Gas Powered – Remote Start With Included Key Fob, Electric and Recoil Start
  • Features a 5–20R 120V Duplex Household Outlet, an RV-Ready Tt-30R 30 Amp Outlet and Two USB Outlets – Great Choice for Travel Trailers or Home Use – Strong Enough to Run All Your Essentials
  • Led Data Center: Rotating Digital Display Shows Fuel Level, Power Output, Remaining Run Time, Voltage Output, and Lifetime Hours
  • Extremely Quiet, Extremely Fuel Efficient: as Low as 52 dBA Noise Output and Up to 18 Hour Run Time on a 3. 4 Gallon Gas Tank – Features “Economy Mode” for Maximum Fuel Efficiency
  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA and CARB Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

WEN 56380i Super Quiet 3800-Watt Portable Inverter Generator with Fuel Shut-Off

$659.99
$623.71
 in stock
4 new from $623.71
Free shipping
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • Dimensions: 23.2" L x 18" W x 20.1" H | Weight: 99.2 lb
  • EPA III and CARB Compliant
  • 212cc 4-stroke OHV engine produces 3800 surge watts and 3400 rated watts with a half-load runtime of up to 8.5 hours
  • Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
  • Produces clean power to prevent damage to sensitive electronics such as smart phones, tablets and laptops

Pulsar Products G450RN, 4500W Portable Quiet Remote Start & Parallel Capability, CARB Compliant Inverter Generator, 4500-Watt Gray

$799.99  in stock
2 new from $799.99
Free shipping
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • 4, 500 peak watts/ 3, 700 running watts
  • Capable of up to 15 hours of extended operation at half load on 3. 2 gallons of fuel
  • Convenient wireless remote start allows you to operate the unit from up to 80 ft away
  • Quiet operation (63 db) make it possible to have conversation 10 Feet away
  • Compact design with extendable Handle and Never-Flat wheels for easy handling and storage capability

PowerSmart Inverter Generator Gas Powered - 4400W 120V Power, RV Ready & Parallel Capability, Quiet for Home Use, Portable Gasoline Generator for Outdoor

$539.99  in stock
3 new from $539.99
Free shipping
Amazon.com
as of May 19, 2022 12:49 pm

Features

  • Power Output: 4-stroke OHV engine, 4400 peak watts/3500 running watts. Parallel system for increasing output power.
  • Veriety of Uses: 61db running on MAX peak power, great for outdoor camping, rv ready, home backup.
  • High Fuel Efficient: 2.54-gallon fuel tank, run 16 hours with maximum fuel efficient on economy mode.
  • Digital Display: displays voltage, frequency, session runtime, and total runtime.
  • Clean Power: 120V 30A RV outlet, 2x 120V 20A household outlets, 2x 5V USB, clean power output with less than 3% THD.