Hello there! Are you tired searching for the best 4000w portable 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 4000w portable generator online. Keep Reading!

Choosing the best 4000w portable generator can be a tough job, especially when you are looking for one that suits your budget. Therefore, we have listed the top 10 4000w portable 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 DuroMax DS4000S Portable Generator, Yellow/Black best in our list. However, if you are looking for a product with a cheaper price, then you can check out A-iPower SUA4000iED 4000 Watt Portable Inverter Generator Gas & Propane Powered, Small with Electric Start RV Ready for Camping, Tailgate, or Home emergency 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 4000w portable 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 4000w portable generator

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Product Title
Score

DuroMax DS4000S Portable Generator, Yellow/Black
9.7

DuroMax XP4000S Portable Generator-4000 Watt Gas Powered Camping & RV Ready, 50 State Approved
9.5

Westinghouse WGen3600v Portable Generator, 4650 Peak Watts & 3600 Rated Watts, RV Ready 30A Outlet, Gas Powered, CARB Compliant
9.3

A-iPower SUA4000iED 4000 Watt Portable Inverter Generator Gas & Propane Powered, Small with Electric Start RV Ready for Camping, Tailgate, or Home emergency
8.6

XtremepowerUS 4000-Watt Gasoline Generator Emergency Lifan Engine Camping 4-Cycle Gas Powered Air Cooled OHV (EPA)
8.5

WEN DF400i Super Quiet 4000-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut-Off
8.2

Champion Power Equipment 100302 4000-Watt RV Ready Open Frame Inverter, Yellow
7.6

Sportsman 4000W Dual Fuel Generator
7.4

WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange
7.3

maXpeedingrods 3500W Inverter Generator, Portable Quiet Generator for Home Use and Outdoor Camping, Gas Powered, EPA Compliant
6.6

DuroMax DS4000S Portable Generator, Yellow/Black


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DuroMax DS4000S Portable Generator, Yellow/Black

$399.00
$291.80
 in stock
2 new from $291.80
1 used from $280.13
Free shipping
Amazon.com
as of September 22, 2022 11:12 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

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


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

$399.99  in stock
2 new from $399.00
Free shipping
Amazon.com
as of September 22, 2022 11:12 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 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

Westinghouse WGen3600v Portable Generator, 4650 Peak Watts & 3600 Rated Watts, RV Ready 30A Outlet, Gas Powered, CARB Compliant


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Westinghouse WGen3600v Portable Generator, 4650 Peak Watts & 3600 Rated Watts, RV Ready 30A Outlet, Gas Powered, CARB Compliant

$379.00
$349.00
 in stock
Amazon.com
as of September 22, 2022 11:12 am

Features

  • 3600 Running Watts and 4650 Peak Watts; Recoil Start; 4 Gallon Fuel Tank With Fuel Gauge; Up to 14 Hours of Run Time Per Tank
  • Features One 5–20R 120V Household Duplex Receptacle, One RV-Ready TT-30R 30 Amp Receptacle, and One L5-30R 30 Amp Receptacle; All Outlets Have Rubber Covers for Added Safety
  • Plug-and-Play: Comes With 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 212cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown
  • 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

A-iPower SUA4000iED 4000 Watt Portable Inverter Generator Gas & Propane Powered, Small with Electric Start RV Ready for Camping, Tailgate, or Home emergency


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A-iPower SUA4000iED 4000 Watt Portable Inverter Generator Gas & Propane Powered, Small with Electric Start RV Ready for Camping, Tailgate, or Home emergency

$949.99  in stock
2 new from $948.88
Free shipping
Amazon.com
as of September 22, 2022 11:12 am

Features

  • The A-iPower SUA4000iED Dual Fuel inverter generator produces 4,000 starting watts with 3,500 running watts of power with gasoline and 3,500 starting watts with 3,200 running watts with propane (LPG)
  • A-iPower’s inverter technology allows for safe and clean power for sensitive electronics such as phones, televisions, laptops, and other electronics
  • Complete with A-iPower’s “Low idle” technology for an extended run time of 5 hours at 100% load and 7 hours at 50% load.
  • Equipped with a REMOTE/ELECTRIC START capability, this powerful 223cc OHV 4-Stroke engine provides an abundant power supply along with a low oil alert light and low oil automatic shutdown, helping keep your generator performing year after year.
  • Complete with 2-NEMA 120V AC 20A Household, 1-NEMA 120V AC 30A L5-30R Locking, 2 x USB

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)

$329.95  in stock
Amazon.com
as of September 22, 2022 11:12 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

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


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

$1,294.75  in stock
5 new from $1,294.75
Amazon.com
as of September 22, 2022 11:12 am

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


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

$1,091.00
$736.89
 in stock
2 new from $736.89
Amazon.com
as of September 22, 2022 11:12 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

Sportsman 4000W Dual Fuel Generator


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Sportsman 4000W Dual Fuel Generator

$499.79  in stock
Amazon.com
as of September 22, 2022 11:12 am

Features

  • Conveniently runs on propane or unleaded gasoline
  • Perfect for camping, tailgating or on the job site
  • 4000 starting watts and 3500 running watts.

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

$382.99  in stock
2 new from $382.99
Free shipping
Amazon.com
as of September 22, 2022 11:12 am

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

maXpeedingrods 3500W Inverter Generator, Portable Quiet Generator for Home Use and Outdoor Camping, Gas Powered, EPA Compliant


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maXpeedingrods 3500W Inverter Generator, Portable Quiet Generator for Home Use and Outdoor Camping, Gas Powered, EPA Compliant

$749.99
$699.99
 in stock
2 new from $699.99
Free shipping
Amazon.com
as of September 22, 2022 11:12 am

Features

  • [Multipurpose power supply] Produces 3500 peak watts and 3000 running watts of power. Easily runs a small house lighting system or an RV’s 15k air conditioning unit or other equipment like the refrigerator and more needs.The 47lbs compact and lightweight design is ideal for outdoor living, RV travel, vacations, food trucks, and any scenario where power is needed.
  • [Extra-long run time] while using Eco mode you can extend your run times. It will Run for approximately 8.3 hours @25% load (750w load). Approximately 4.5 hours at 50% load (1500w load).
  • [Power more appliances] 1 x 120V 30 amp RV outlet, 2 x 120V 20 amp outlets, 2 x 5V DC USB outlets. Support all types of standard electrical equipment.
  • [Provides clean power] Inverter technology produces clean pure sine wave power to provide safe, high-quality current for sensitive equipment without damaging electronics. Can charge phones, laptops, cameras and other digital equipment.
  • [Low Noise] At a distance of 23 feet, the decibel level of ECO mode is 58 decibels, which is almost equal to the sound made by a normal conversation or a running dishwasher. At this noise level, there is little to no disturbance to the user or anyone nearby.

So, These are some of the best 4000w portable 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 Westinghouse WGen3600v Portable Generator, 4650 Peak Watts & 3600 Rated Watts, RV Ready 30A Outlet, Gas Powered, CARB Compliant for more recommendations. Hope you enjoyed reading the article!