10 Best 4000 Watt Inverter Generator In 2022 [*Top Picks*]

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Have you been searching for the best 4000 Watt Inverter Generator for your needs? You are at the right place. We recognize that amidst so many choices in the market, it can be perplexing and confusing to make the right pick. This article will help you choose the right 4000 Watt Inverter Generator with more ease. We have taken into consideration the varied needs and wants of all segments of consumers to give you the perfect guide on how to pick the right product. So that you can shop worry-free!

Best 4000 Watt Inverter Generator
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Comparison Chart for Best 4000 Watt Inverter Generator

Our team scanned 34524 reviews before putting any suggestions for the 4000 Watt Inverter Generator in this article.

NoProductScoreAction
1WEN DF400i Super Quiet 4000-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut-Off9.8Check Price on Amazon
2POWER PRODUCTS Direct Replacement 4 Pin On Off Black Switch Rocker for Predator 1800W 4000W 4375W 6500W for Champion 3500/4000W Open Frame Inverter Generator for Generac 0H3375028 Manual Recoil Start9.8Check Price on Amazon
3Champion Power Equipment 100302 4000-Watt RV Ready Open Frame Inverter9.6Check Price on Amazon
4BILT HARD Quiet Inverter Generator 4000 Watt9.2Check Price on Amazon
5Westinghouse Outdoor Power Equipment iGen4500 Super Quiet Portable Inverter Generator 3700 Rated & 4500 Peak Watts9.2Check Price on Amazon
6WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator9Check Price on Amazon
7DuroMax XP4000S Portable Generator-4000 Watt Gas Powered Camping & RV Ready9Check Price on Amazon
8XtremepowerUS 3500 Running Watts/4000 Starting Watts9Check Price on Amazon
9WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator8.4Check Price on Amazon
10XtremepowerUS 4000-Watt Gasoline Generator Emergency Lifan Engine Camping 4-Cycle Gas Powered Air Cooled OHV (EPA)8.2Check Price on Amazon

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

  • 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.
  • Includes electric start for easy ignitions, onboard wheels and carrying handle, two three-prong 120V receptacles, one RV-ready AC 120V NEMA TT-30R receptacle, one 12V DC receptacle, one 5V USB port, a digital load and fuel display, and a three-year warranty.

2. POWER PRODUCTS Direct Replacement 4 Pin On Off Black Switch Rocker for Predator 1800W 4000W 4375W 6500W for Champion 3500/4000W Open Frame Inverter Generator for Generac 0H3375028 Manual Recoil Start

  • For Champion Recoil Manual Start Generator 3400 3500 3650 Watts
  • For Champion Recoil Manual Start Generator 5000 5500 6500 Watts
  • For DuroMax XP4000S DuroStar DS4000S 4000W 7HP Gas Generator
  • For Harbor Predator Generator 212CC 4000W 6.5HP 63079 63080 63089
  • For Pulsar PG2000 PG2200 PG3250 PG3500M PG4500 PG4500B Generator

3. Champion Power Equipment 100302 4000-Watt RV Ready Open Frame Inverter

  • 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.
  • What’s included: Oil Funnel,Battery Charging Cables,USB Adapter

4. BILT HARD Quiet Inverter Generator 4000 Watt

  • Super Quiet: power output 68 dB makes BILT HARD inverter generator became great choice for emergency backup in a power outage, strong enough to run a wide variety of appliances, equipped with Integrated smooth-rolling casters for portability, perfect for use at home, RV or while camping.
  • Inverter Technology: Using advanced inverter technology this super quiet generator produces a pure sine wave power curve that is safe to use with sensitive electronics.
  • Product Parameter: Gas powered – Electric & Recoil Start – 212cc 4-stroke air-cooled OHV gas engine – 3400 rated watts and 4000 peak watts – Two 120V 20 Amp outlets & 12V 8A D.
  • Exceptionally efficient: The efficient design of BILT HARD inverter generator gives you more power with lower fuel consumption.
  • Warranty: BILT HARD aims for quality followed up with quality customer service directly provided by manufacturer.

5. Westinghouse Outdoor Power Equipment iGen4500 Super Quiet Portable Inverter Generator 3700 Rated & 4500 Peak Watts

  • 3700 Rated Watts and 4500 Peak 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.
  • 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.

6. WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator

  • 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

7. DuroMax XP4000S Portable Generator-4000 Watt Gas Powered Camping & RV Ready

  • 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.
  • 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.

8. XtremepowerUS 3500 Running Watts/4000 Starting Watts

  • Powerful Generator – The Powerful 4000W Engine is Air Cooled and can withstand use and abuse
  • Safe and Easy Operation – Feature a user-friendly, Recoil start, that’s easier than starting a lawn mower.
  • Ideal Generator – Great for campgrounds, construction sites, backyard, party, tailgates and power outages.
  • Fully Loaded Power Panel – Panel has a engine shutoff switch, volt meter and circuit breakers
  • 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.

9. WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator

  • Product 1: Dimensions: 19.8″ L x 13.8″ W x 18.9″ H | Weight: 66.1 lb
  • Product 1: Generate clean power to safely operate sensitive electronics such as phones, tablets, televisions and computers.
  • Product 1: Parallel-ready panel allows you to connect any two WEN inverter generators for increased wattage output.
  • Product 1: 212cc 4-stroke CARB-compliant OHV engine produces 4000 surge watts and 3500 rated watts
  • Product 2: Preserve your inverter generator by keeping metal out of the engine
  • Product 2: Industrial-strength magnetic tip collects metal shavings floating in your generator’s oil tank.
  • Product 2: Machined to fit the entire WEN Inverter Generator Series
  • Product 2: Universal design measures in at M18 x 2.

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

  • 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.

The Buying Guide: Our Advice On How To Buy The Best 4000 Watt Inverter Generator


Before you invest your hard-earned money into a product, you should properly educate yourself about the available products and the best alternatives in the market. We have compiled the list of factors you should consider before buying a  4000 Watt Inverter Generator to make your task easier.
Like almost any product, before buying a 4000 Watt Inverter Generator, you should ask yourself these few questions:
  1. How reputable are 4000 Watt Inverter Generator in comparison to market competitors?
  2. How durable and long-lasting are they, and how easy is it to service or fix them if something goes wrong?
  3. Why is it worth buying 4000 Watt Inverter Generator instead of other products?
  4. What are some key features and highlights of 4000 Watt Inverter Generator? Are those features worth it for your needs?
  5. What are some positives and negatives of 4000 Watt Inverter Generator, and how do they affect your user experience?
  6. Where can you buy 4000 Watt Inverter Generator and service or repair it if necessary?
These are just some of the questions that you need to seek the answer to when purchasing the product. It is essential to keep in mind that you may have further queries and questions, as you should.
These are just a few considerations that we consider absolutely crucial. You can find detailed answers to almost all of your questions by some internet research or even by trying out the product at the store.

Summarized Tips On Why You Should Buy From An Online Marketplace


In the year 2022, you have a multitude of options everytime you look to buy a new product. You have traditional retailers, department stores, online marketplaces, etc. We believe that for your next purchase, you should seriously consider online marketplaces.
Online platforms come with loads of facilities designed to make your entire shopping experience better. They are reputable, well regarded, and provide you with the opportunity to shop from your home and get the best deals.
A very important thing you get when buying from an online platform is flexibility and convenience. In our busy lives, it is quite hard to find the time to visit a physical store. Meanwhile, you can buy anything you want, including 4000 Watt Inverter Generator from an online store, while you are taking a break at work or doing your chores.
As it should be clear to you by now, there are a multitude of benefits when you go with an online platform over physical stores. Some of the benefits are summarized below in a few key points:

GREAT DEALS


Online platforms quite often offer the best value in the market. There are many sellers who sell 4000 Watt Inverter Generator. However, thanks to the wide dealer and supplier network as well as advanced supply chain management, online platforms can almost always undercut the competing physical stores.
Online platforms also often give discounts and sales, especially around the Black Friday event and other festivities. You can find deals that you simply can’t find anywhere else.

ROCK-SOLID RELIABILITY


Reliability is one key concern when you buy from an online retailer without physically testing the product. You simply don’t have the option to check the product before buying, so you must rely on the site.
Thankfully, online platforms usually offer warranty and easy replacement on many brands and products, including 4000 Watt Inverter Generator. You can avail all the warranty facilities of any regular store, all from the comfort of your own home.
Their extended warranty policies make sure that if you do end up encountering an issue on any product, you won’t incur financial losses. In fact, you can get a replacement product in a short period. This sort of guarantee makes shopping from online platforms a breeze. This is a primary reason so many people are switching to shopping from online platforms.

HUGE VARIETY AND SELECTION


The online platforms around the world are growing exponentially in size, and that applies to the selection of products as well. As they get more popular, more and more brands sign up to sell their products on online platforms.
They have a wide range of products across many categories, divided and organized well. This helps you find exactly what you are looking for easily. You may even get software-generated recommendations for products you may need.  This includes 4000 Watt Inverter Generator and many more.
Having a huge variety means that you can assess your preferences and choices. You can choose from a range of alternatives before purchasing. This is often not the case in most physical stores, where there is a limitation to the number of brands.

USER GENERATED REVIEWS


Being able to read reviews from actual users of the product could prove to be very useful. Companies may often leave out some potential flaws or negatives in the product description.
But users who actually used the product can give honest and balanced feedback, which is useful to the buyers. You can take a decision unaffected by bias if you account for actual user experiences of the product you are looking for.

Lastly…


Being on the lookout for the right product can be challenging as there are so many good options. It can often be hard to narrow down the best products. Hopefully, this buying guide will help you pick from the best 4000 Watt Inverter Generator for your unique needs.
Another important aspect is picking the right place to buy the right product. We have extensively covered the benefits of going with online platforms. We hope that this article will be informative enough in aiding you to make the best purchase decisions in the future.

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