Hello there! Are you tired searching for the best 4000 watt gas generator but could not able to find the right one? Worry not readers, because in this article, we have covered everything you need to know before buying the 4000 watt gas generator online. Keep Reading!

Choosing the best 4000 watt gas generator can be a tough job, especially when you are looking for one that suits your budget. Therefore, we have listed the top 10 4000 watt gas generator available at best prices with all the latest demanding features catering to your needs. We have analysed each and every product and have shared detailed information about them. Based on our personal review, we found this XtremepowerUS 4000-Watt Gasoline Generator Emergency Lifan Engine Camping 4-Cycle Gas Powered Air Cooled OHV (EPA) best in our list. However, if you are looking for a product with a cheaper price, then you can check out WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange which is equally good with good reviews. We are very much sure that you’ll be able to make a wiser decision in buying the Top 4000 watt gas generator by going through the exclusive list mentioned below.

All the products listed in this guide are good in their own way. You simply have to pick one that you feel delivers on the best performance. Let us get right into them already. Check the quick reviews below.

Best 4000 watt gas generator

Image
Product Title
Score

DuroMax XP4400E 4400 watt 7-Hp RV Grade Gas Generator with Electric Start
9.7

XtremepowerUS 4000-Watt Gasoline Generator Emergency Lifan Engine Camping 4-Cycle Gas Powered Air Cooled OHV (EPA)
9.5

Durostar DS4000S Portable Generator, Yellow/Black
9.3

WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange
8.9

Champion Power Equipment 100573 4000-Watt DH Series Open Frame Inverter, Wireless Remote Start
8.3

Champion 4000-Watt RV Ready DH Series Open Frame Inverter with Quiet Technology
8.1

Champion Power Equipment 100574 4000-Watt RV Ready Digital Hybrid Inverter Generator with Dual Fuel Technology
7.6

Westinghouse iGen4500 Super Quiet Portable Inverter Generator 3700 Rated & 4500 Peak Watts, Gas Powered, Electric Start, RV Ready, CARB Compliant
7.4

Westinghouse WGen7500DF Dual Fuel Portable Generator 7500 Rated & 9500 Peak Watts, Gas or Propane Powered, Electric Start, Transfer Switch Ready, CARB Compliant
7.3

Champion Power Equipment 100307 4375/3500-Watt Dual Fuel RV Ready Portable Generator
6.9

DuroMax XP4400E 4400 watt 7-Hp RV Grade Gas Generator with Electric Start


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DuroMax XP4400E 4400 watt 7-Hp RV Grade Gas Generator with Electric Start

$649.99
$560.36
 in stock
3 new from $560.36
Free shipping
Amazon.com
as of April 16, 2024 1:34 am

Features

  • Plenty of Power – With 4,400 starting watts and 3,500 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 210cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools
  • MX2 Technology - Get the maximum power from each of the 120-volt receptacles. Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power. Ideal for usage with RVs
  • Low Oil Shutoff – Protects your investment by automatically shutting the generator off when it senses that the oil is low
  • Fully Featured Power Panel – The power panel includes a wide selection of outlets for maximum compatibility in your applications including: 2 120V household GFCI outlets and 1 120/240V 30A twist lock outlet. The panel also includes a voltmeter and 12V DC charging posts for charging external batteries

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


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

$314.95  out of stock
Amazon.com
as of April 16, 2024 1:34 am

Features

  • 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

Durostar DS4000S Portable Generator, Yellow/Black


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Durostar DS4000S Portable Generator, Yellow/Black

$479.99
$390.61
 in stock
2 new from $390.61
Free shipping
Amazon.com
as of April 16, 2024 1:34 am

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 DuroStar 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 DuroStar 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

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


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

$432.25
$402.79
 in stock
2 new from $402.79
Free shipping
Amazon.com
as of April 16, 2024 1:34 am

Features

  • Dimensions: 19.8" L x 13.8" W x 18.9" H | Weight: 66.1 lb.amperage : 26.6 amps
  • 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

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


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

 out of stock
Amazon.com
as of April 16, 2024 1:34 am

Features

  • 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

Champion 4000-Watt RV Ready DH Series Open Frame Inverter with Quiet Technology


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Champion 4000-Watt RV Ready DH Series Open Frame Inverter with Quiet Technology

 out of stock
Amazon.com
as of April 16, 2024 1:34 am

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

Champion Power Equipment 100574 4000-Watt RV Ready Digital Hybrid Inverter Generator with Dual Fuel Technology


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Champion Power Equipment 100574 4000-Watt RV Ready Digital Hybrid Inverter Generator with Dual Fuel Technology

 out of stock
Amazon.com
as of April 16, 2024 1:34 am

Features

  • Advanced Digital Hybrid Design: 50% quieter and 20% lighter than a traditional Champion 3500-watt generator, plus our Economy Mode feature saves fuel and extends engine life
  • Duel Fuel: This RV Ready inverter operates on gasoline or propane and has a 120V 30A RV, plus two 120V 20A household outlets and 12V DC outlet with dual USB adapter
  • 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 14. 5 hours run time on gasoline
  • Parallel Ready: If you purchase the optional ParaLINK Parallel Kit, you can increase your power output by connecting up to two 2800-watt or higher inverters or digital hybrids
  • Champion Support: Includes 3-year limited with FREE lifetime technical support from dedicated experts

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


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

$1,099.00
$849.00
 in stock
2 new from $849.00
Free shipping
Amazon.com
as of April 16, 2024 1:34 am

Features

  • 4500 Peak Watts and 3700 Rated 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 Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

Westinghouse WGen7500DF Dual Fuel Portable Generator 7500 Rated & 9500 Peak Watts, Gas or Propane Powered, Electric Start, Transfer Switch Ready, CARB Compliant


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Westinghouse WGen7500DF Dual Fuel Portable Generator 7500 Rated & 9500 Peak Watts, Gas or Propane Powered, Electric Start, Transfer Switch Ready, CARB Compliant

$949.00  in stock
1 used from $919.39
Free shipping
Amazon.com
as of April 16, 2024 1:34 am

Features

  • 7500 Rated Watts and 9500 Peak Watts (Gasoline); 6750 Rated Watts and 8550 Peak Watts (Propane); 6.6 Gallon Fuel Tank With Fuel Gauge; Electric Push-Button Start With Remote Key Fob
  • Intuitive Control Panel Features Two GFCI 5–20R 120V Household Duplex Outlets and One L14-30R 120/240V 30A Twist-Lock Outlet; Outlets Have Rubber Covers for Added Safety
  • Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual To Get You Started Right Out of the Box (Minimal Assembly Required)
  • Powered by a 420cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Digital Hour Meter
  • 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 with Nationwide Customer Service Network

Champion Power Equipment 100307 4375/3500-Watt Dual Fuel RV Ready Portable Generator


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Champion Power Equipment 100307 4375/3500-Watt Dual Fuel RV Ready Portable Generator

 out of stock
Amazon.com
as of April 16, 2024 1:34 am

Features

  • 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

So, These are some of the best 4000 watt gas generator with all the major features that you must be looking for. Now you can easily pick out the best one based on your budget, needs and preferences. Still, if you found yourself confused about choosing the best product, then you can try this Durostar DS4000S Portable Generator, Yellow/Black for more recommendations. Hope you enjoyed reading the article!