Best 4000 Watt Generators

Are you loooking for Best 4000 Watt Generators? If your answer is yes, then you’re in right place. Here, we listed Best 4000 Watt Generators after a lots of research. In case, if you’re in hurry this is the Best 4000 Watt Generators on Amazon

We spent 36 hours to find a best option for you and it’s a Champion 3500-Watt RV Ready, which comes with all amazing features you ever want. It is the Best 4000 Watt Generators available in the market today. However, if you don’t want to spend big amount on 4000 Watt Generators, then you should go with WEN GN400i RV-Ready 4000-Watt which comes with all the basic options you could ever expect in 4000 Watt Generators.

After a good research, we have sort listed Best 4000 Watt Generators below.

Top 10 Best 4000 Watt Generators In 2021

1 1

Champion 3500-Watt RV Ready

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2 2

WEN GN400i RV-Ready 4000-Watt

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3 3

WEN DF475T Dual Fuel

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4 4

Westinghouse iGen4500 Super Quiet

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5 5

Champion 4000-Watt RV Ready

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6 6

Sportsman GEN4000 3500 Running

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7 7

DuroStar DS4000S Gas Powered

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8 8

Champion 3500-Watt Dual Fuel

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9 9

DuroMax XP4400EH Dual Fuel

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10 10

Sportsman GEN4000LP 3250 Running

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Top 10 4000 Watt Generators

Are you looking for top 10 4000 Watt Generators available right now in the market? Then check out below, we researched and short listed best one here.

1. Champion 3500-Watt RV Ready

The Champion Power Equipment 46596 RV Ready 3500-Watt Portable Generator is designed with your safety and convenience in mind.


  • Reliable and Powerful – At 4000 starting watts and 3500 running watts, enjoy up to 12 hours of run time on a full tank of gasoline with a noise level of 68 dBA from 23 feet
  • Outlets – A 120V 30A locking outlet, a 120V 30A RV outlet and a 120V 20A household outlet; Engine Speed: 3600
  • Volt Guard – Prevents overloads and keeps your valuable equipment safe from voltage spikes, plus a voltmeter allows you to monitor power output at a glance
  • Champion Support – Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts
  • 2. WEN GN400i RV-Ready 4000-Watt

    Remember when you had clean and quiet portable power? The WEN 4,000-Watt Inverter Generator provides clean energy, free of voltage spikes and drops for safe use with laptops, phones, and other sensitive electronics.


  • 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
  • Lightweight body weighs 30% less than a standard 4000-watt generator
  • Includes two 120V NEMA 5-20R receptacles, two 5V USB ports, one 120V RV-ready TT-30R receptacle, and a two-year warranty
  • 3. WEN DF475T Dual Fuel

    Remember when you could run your generator off either gas or propane? Whether we’re providing your home electricity during a crisis or charging your family’s cellphones at the campgrounds, WEN has been reliably lighting up lives since 1951.


  • Voltage easily goes from 120V to 240V, perfect for transfer switches and emergency backup
  • Electric start powers the 224cc 4-stroke OHV engine with the turn of a key
  • 4-gallon tank provides up to 11 hours of half load run time
  • Includes two 120V GFCI outlets (5-20R), a 120V/240V NEMA 30A twist lock (L14-30R), a 12V DC cigarette-lighter-style plug, a bottle of oil, a wheel and handle kit, a 47-inch LPG connection hose, and a 2-year
  • 4. Westinghouse iGen4500 Super Quiet

    The Westinghouse iGen4500 Inverter Generator is a premium power solution to meet your portable power needs whether you’re camping or on the go.


  • 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 “Efficiency Mode” for Maximum Fuel Efficiency
  • EPA, USFS, and CARB Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service and Support Network at 1-855-944-3571 or [email protected]
  • 5. Champion 4000-Watt RV Ready

    The Champion Power Equipment 100302 4000-Watt Digital Hybrid Open Frame Inverter Generator is one of the most innovative products on the market.


  • 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
  • 6. Sportsman GEN4000 3500 Running

    The Sportsman Series Gasoline 4000 Surge Watt Portable Generator is ideal for powering the RV at the campsite, and a great solution for recreational activities as well as for temporary power supply in case of power outages.


  • 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)
  • 1 Year Limited Warranty
  • 7. DuroStar DS4000S Gas Powered

    Great for camping, RVs, sporting events, home back-up power, job sites and more, the DuroStar DS4000S gas-powered generator has a 7.


  • PLENTY OF POWER: With 4,000 starting watts and 3,300 running watts, this unit is a workhorse that provides plenty of power to handle multiple jobs from powering high voltage appliances to heavy duty power tools.
  • 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.
  • POWERING EVERYONE ANYWHERE: The DS4000s is EPA and CARB approved for use in all 50 states.
  • 8. Champion 3500-Watt Dual Fuel

    The Champion Power Equipment 100307 3500-Watt Dual Fuel RV Ready Portable Generator is the perfect combination of versatility and convenience.


  • Powerful – At 4375 starting watts and 3500 running watts on gasoline and 3950 starting watts and 3150 running watts on propane, trust Volt Guard built-in surge protector to prevent overloads
  • 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)
  • Champion Support – Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts
  • 9. DuroMax XP4400EH Dual Fuel

    From operating your appliances during a power outage to powering your RV on a road trip, the DuroMax XP4400EH Duel-fuel portable generator is there when you need it.


  • DUAL FUEL TECHNOLOGY: The ability to run on Propane or Gasoline allows the Freedom and Flexibility of Fuel Choice.
  • PLENTY OF POWER: With 4,400 starting watts and 3, 500 running watts, This unit provides plenty of power to handle multiple jobs from powering high voltage appliances to heavy-duty power tools.
  • MAXIMUM POWER: With DuroMax MX2 technology, get the maximum power from each of the 120 volt receptacle. Choose between operating the generator at both 120 V and 240 V Simultaneously, or at 120 only with full power.
  • POWERING EVERYONE ANYWHERE: Like all DuroMax generators, the XP4400EH is EPA and CARB approved for use in all 50 states.
  • 10. Sportsman GEN4000LP 3250 Running

    The Sportsman Propane 4000 Watt Portable Generator can power common household appliances and power tools.


  • 10 hour run time on 50% load, propane fuel hose and regulator included, LPG propane tank not included.
  • Recoil start, circuit protection, auto fuel shut-off safety valve, Auto low oil shut down
  • Two 120V AC outlet and one 12V DC outlet for battery charging
  • EPA approved
  • Conclusion

    We did good research to find out top 10 Best 4000 Watt Generators to buy in 2021. For more similar product reviews, check out below or visit here.