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

Choosing the best 4000 running watt 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 running watt 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 Buckbock Carburetor Carb for Champion CPE 46593 46596 46597 46598 196CC 3500 4000 Watt Generator Harbor Freight Predator 69675 69676 69728 69729 212CC GeneratorGenerator best in our list. However, if you are looking for a product with a cheaper price, then you can check out Champion Power Equipment 100574 4000-Watt RV Ready Digital Hybrid Inverter Generator with Dual Fuel Technology 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 running watt 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 running watt generator

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Product Title
Score

Champion Power Equipment 76533 4750/3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start
9.8

Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator - 9500 Rated Watts & 12000 Peak Watts - Gas & LPG - Electric Start - Transfer Switch & RV Ready - CARB Compliant
9.6

WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange
9.3

Champion Power Equipment 100574 4000-Watt RV Ready Digital Hybrid Inverter Generator with Dual Fuel Technology
8.9

XtremepowerUS 4000-Watt Gasoline Generator Emergency Lifan Engine Camping 4-Cycle Gas Powered Air Cooled OHV (EPA)
8.4

DuroMax New_XP4000S Refurbished 4000W 50-State Portable Gas Engine Generator, Blue
8.2

Champion Power Equipment 100307 4375/3500-Watt Dual Fuel RV Ready Portable Generator
7.7

Buckbock Carburetor Carb for Champion CPE 46593 46596 46597 46598 196CC 3500 4000 Watt Generator Harbor Freight Predator 69675 69676 69728 69729 212CC GeneratorGenerator
7.5

Champion 6250-Watt DH Series Open Frame Inverter with Quiet Technology
7.3

Westinghouse iGen4500 Super Quiet Portable Inverter Generator 3700 Rated & 4500 Peak Watts, Gas Powered, Electric Start, RV Ready, CARB Compliant
6.9

Champion Power Equipment 76533 4750/3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start


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Champion Power Equipment 76533 4750/3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start

$974.99  in stock
2 new from $908.50
Amazon.com
as of April 21, 2025 1:00 pm

Features

  • 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. Dimensions-26.3 x 24.8 x 22.9 inches
  • 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

Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator – 9500 Rated Watts & 12000 Peak Watts – Gas & LPG – Electric Start – Transfer Switch & RV Ready – CARB Compliant


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Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator - 9500 Rated Watts & 12000 Peak Watts - Gas & LPG - Electric Start - Transfer Switch & RV Ready - CARB Compliant

$899.99  in stock
Amazon.com
as of April 21, 2025 1:00 pm

Features

  • 12, 000 peak watts/ 9, 500 Rated watts (gasoline) & 10, 800 peak watts/ 8, 550 Rated watts (LPG)
  • Dual fuel capability allows you to choose between gasoline & LPG fuel sources; great for emergency situations or natural disaster as LPG may be more readily available and easy to store
  • The 457cc, single cylinder, 4-stroke, air cooled, OHV engine with electric start is protected by a durable powder coated frame
  • A 8 gallon fuel tank gives you up to 12 hours of continuous operation at half load when running on gasoline
  • (4) 120V 20A AC outlets, (1) 120V/240V 30A twist-lock outlet, (1) 120V/240V 50A outlet, (1) 12V DC output provide ample space for powering appliances, tools, and other devices

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

 out of stock
Amazon.com
as of April 21, 2025 1:00 pm

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 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 21, 2025 1:00 pm

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

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)

 out of stock
Amazon.com
as of April 21, 2025 1:00 pm

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

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


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

 out of stock
Amazon.com
as of April 21, 2025 1:00 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 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 21, 2025 1:00 pm

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

Buckbock Carburetor Carb for Champion CPE 46593 46596 46597 46598 196CC 3500 4000 Watt Generator Harbor Freight Predator 69675 69676 69728 69729 212CC GeneratorGenerator


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Buckbock Carburetor Carb for Champion CPE 46593 46596 46597 46598 196CC 3500 4000 Watt Generator Harbor Freight Predator 69675 69676 69728 69729 212CC GeneratorGenerator

 out of stock
Amazon.com
as of April 21, 2025 1:00 pm

Champion 6250-Watt DH Series Open Frame Inverter with Quiet Technology


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Champion 6250-Watt DH Series Open Frame Inverter with Quiet Technology

$1,179.00
$792.67
 in stock
3 used from $691.88
Free shipping
Amazon.com
as of April 21, 2025 1:00 pm

Features

  • Quiet technology and extended run time: 69 dba noise level is great for your next project or home backup, with 6250 starting watts and 5000 running watts for up to 12.5 hours run time on gasoline
  • Advanced open frame inverter design: 50% quieter and 20% lighter than a traditional Champion 5000-watt generator
  • Clean power and economy mode: confidently connect your sensitive electronics and save fuel
  • Intelligauge: Monitor voltage, frequency and operating hours with ease; Frequency: 60 Hz
  • Champion Support: includes 3-year limited Warranty 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
4 new from $849.00
Free shipping
Amazon.com
as of April 21, 2025 1:00 pm

Features

  • 5000 Peak Watts and 3900 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

So, These are some of the best 4000 running watt 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 WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange for more recommendations. Hope you enjoyed reading the article!