If you’re looking for the 4000 watt generator you’re in the right place. We spent a lot of time reviewing best 4000 watt generator to come up with the Ten that we think stand apart from the pack in style, functionality, and value. In this guide, we have reviewed all the products and generated the best options available today for you.

We analyzed and compared 33 4000 watt generator sold for nearly 33 hours, and considered the opinions of 544 consumers. Following our last update, our favorite model is the Westinghouse WGen3600v Portable Generator – 3600 Rated Watts & 4650 Peak Watts – Gas Powered – CARB Compliant. However, if you don’t want to spend extra then we have another vast option for you is DuroMax New_XP4000S Refurbished 4000W 50-State Portable Gas Engine Generator, Blue.

Below is a review of some of the best 4000 watt generator together with their extra features and functions. Wanna find the Top 4000 watt generator? Read the below list right the way.

Best 4000 watt generator

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Product Title
Score

Champion 4000-Watt RV Ready DH Series Open Frame Inverter with Quiet Technology
9.7

Champion Power Equipment 100573 4000-Watt DH Series Open Frame Inverter, Wireless Remote Start
9.4

WEN 56475 4750-Watt Portable Generator with Electric Start and Wheel Kit
9.3

DuroMax New_XP4000S Refurbished 4000W 50-State Portable Gas Engine Generator, Blue
8.9

WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange
8.4

Westinghouse WGen3600v Portable Generator - 3600 Rated Watts & 4650 Peak Watts - Gas Powered - CARB Compliant
8.1

Sportsman GEN4000, 3500 Running Watts/4000 Starting Watts, Gas Powered Portable Generator
7.6

Durostar DS4000S Portable Generator, Yellow/Black
7.4

Champion Power Equipment 100307 4375/3500-Watt Dual Fuel RV Ready Portable Generator
7.3

Green-Power America GPD4000 4000W Consumer Select Series Recoil Start Generator
6.3

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Product Title

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

9.7

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

9.4

WEN 56475 4750-Watt Portable Generator with Electric Start and Wheel Kit

9.3

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

8.9

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

8.4

Westinghouse WGen3600v Portable Generator - 3600 Rated Watts & 4650 Peak Watts - Gas Powered - CARB Compliant

8.1

Sportsman GEN4000, 3500 Running Watts/4000 Starting Watts, Gas Powered Portable Generator

7.6

Durostar DS4000S Portable Generator, Yellow/Black

7.4

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

7.3

Green-Power America GPD4000 4000W Consumer Select Series Recoil Start Generator

6.3

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

$1,091.00
$899.98  in stock
8 new from $899.98
Buy Now
Amazon.com
as of February 17, 2022 4:44 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

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

$1,352.14
$766.81  in stock
3 new from $766.81
Free shipping
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Amazon.com
as of February 17, 2022 4:44 pm

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

WEN 56475 4750-Watt Portable Generator with Electric Start and Wheel Kit


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WEN 56475 4750-Watt Portable Generator with Electric Start and Wheel Kit

$381.99  in stock
2 new from $381.99
Free shipping
Buy Now
Amazon.com
as of February 17, 2022 4:44 pm

Features

  • Digital readout helps manage oil changes and maintenance schedule
  • Features electric start, low-oil shutdown, an automatic voltage regulator and overload protection to maximize safety
  • CARB and EPA III meet requirements for sale in all 50 states
  • Includes wheel kit and foldable handles for easy transport
  • 223cc engine provides 4,750 surge watt and 3,750 rated watt

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

$399.00  in stock
4 new from $399.00
Free shipping
Buy Now
Amazon.com
as of February 17, 2022 4:44 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

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

$402.54  in stock
4 new from $402.54
Free shipping
Buy Now
Amazon.com
as of February 17, 2022 4:44 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

Westinghouse WGen3600v Portable Generator – 3600 Rated Watts & 4650 Peak Watts – Gas Powered – CARB Compliant


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Westinghouse WGen3600v Portable Generator - 3600 Rated Watts & 4650 Peak Watts - Gas Powered - CARB Compliant

$379.00
$342.65  in stock
4 new from $342.65
Free shipping
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Amazon.com
as of February 17, 2022 4:44 pm

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

Sportsman GEN4000, 3500 Running Watts/4000 Starting Watts, Gas Powered Portable Generator


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Sportsman GEN4000, 3500 Running Watts/4000 Starting Watts, Gas Powered Portable Generator

$599.99
$434.99  in stock
2 new from $434.99
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Amazon.com
as of February 17, 2022 4:44 pm

Features

  • 4,000 Watts Rated, 3,500 Starting Watts; Outlets: 4-120 volt outlets, 1-120V RV outlet, and 1-12 volt DC outlet for battery charging
  • 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)

Durostar DS4000S Portable Generator, Yellow/Black


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Durostar DS4000S Portable Generator, Yellow/Black

$479.99
$399.00  in stock
3 new from $399.00
Free shipping
Buy Now
Amazon.com
as of February 17, 2022 4:44 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 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

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

$670.50
$398.00  in stock
11 new from $398.00
Buy Now
Amazon.com
as of February 17, 2022 4:44 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

Green-Power America GPD4000 4000W Consumer Select Series Recoil Start Generator


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Green-Power America GPD4000 4000W Consumer Select Series Recoil Start Generator

$329.00  in stock
3 new from $329.00
Free shipping
Buy Now
Amazon.com
as of February 17, 2022 4:44 pm

Features

  • Green-Power America GPD4000W Consumer Select Series Recoil Start Generator - 4,000-Watt is designed for home, emergency, and recreational use. It offers 4,000-Starting Watts and 3,000-Running Watts. It includes a 4-Gallon gasoline tank.
  • Runs for up to 8.5 hours at 50% load on full 4-gal. Fuel tank
  • Features 4, 000-starting watts and 3, 000-running watts
  • Includes (2) 120-volt AC outlets, (1) 120-volt twist lock AC outlet, and (1) 12-Volt/ 8.3A DC outlet
  • Manual recoil start, 208cc/ 7Hp OHV engine

This guide identifies some of the best 4000 watt generator currently on the market and also includes an in-depth buying guide to help you make the right decision. If you didn’t find your desired one check out the Sportsman GEN4000, 3500 Running Watts/4000 Starting Watts, Gas Powered Portable Generator is also the most sold item in the market. If you feel that the information provided here is misleading, incorrect, or is removed from actual facts, then please do not hesitate to get in touch with us. We will always be there for you.