Top 10 Best 4000 Watt Generator 2022

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You can trust our selection for 4000 Watt Generator Reviews. Because We have worked hard studying and analyzing 40691 reviews for 4000 Watt Generator and rating them. It was a difficult job to list only ten products for 4000 Watt Generator where thousands of them available online. I hope it will help you to take final decision for Best 4000 Watt Generator.

Best 4000 Watt Generator
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Best 4000 Watt Generator

We found 40691 reviews when researching. We have considered users feedback on the 4000 Watt Generator and our suggestions includes only the finest of them in this article.

Comparison Chart of Top 10 4000 Watt Generator

NoProductScoreAction
1XtremepowerUS 3500 Running Watts/4000 Starting Watts9.6Check Price on Amazon
2Mech Marvels MM4350DF Portable Generator9.6Check Price on Amazon
3XtremepowerUS 4000-Watt Gasoline Generator Emergency Lifan Engine Camping 4-Cycle Gas Powered Air Cooled OHV (EPA)9.4Check Price on Amazon
4A-iPower AP4000 4, 000-Watt Gasoline Powered Manual Start Generator9.4Check Price on Amazon
5Westinghouse Outdoor Power Equipment WGen3600v Portable Generator 3600 Rated and 4650 Peak Watts9.2Check Price on Amazon
6WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator8.8Check Price on Amazon
7DuroMax XP4000S Portable Generator-4000 Watt Gas Powered Camping & RV Ready8.6Check Price on Amazon
8DuroStar DS4000S Portable Generator8.6Check Price on Amazon
9BILT HARD Quiet Inverter Generator 4000 Watt8.4Check Price on Amazon
10Champion Power Equipment 100302 4000-Watt RV Ready Open Frame Inverter8.2Check Price on Amazon

Table Of Content:

1. 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.

2. Mech Marvels MM4350DF Portable Generator

  • 4,000 surge watt and 3,200 rated running watt can run most household appliances and power tools
  • Runs on gasoline or liquid propane fuel, giving you flexibility while out on the road or during an emergency.
  • 7 HP 212cc 4-stroke OHV engine delivers maximum performance
  • Runs for 10 hours at 50 percent load on a full tank of gasoline or a full 20 lb. LP Cylinder
  • 4) 120-volt outlets, (1) 120-volt RV outlet and (1) 12-Volt DC outlet; regulator hose kit included

3. 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.

4. A-iPower AP4000 4

  • 4, 000 Starting Watts / 3, 000 Running Watts
  • 208cc / 7HP OHV, single cylinder, air-cooled, 4-stroke engine with manual start
  • High performance alternator provides greater peak wattage which allows motor-driven appliances and tools to operate simultaneously.
  • RV Ready. This generator is built with a TT-30R RV outlet for your convenience when Rving.
  • Light Weight. Only 65Lbs. You can move effortless anywhere you want.

5. Westinghouse Outdoor Power Equipment WGen3600v Portable Generator 3600 Rated and 4650 Peak Watts

  • 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.

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. DuroStar DS4000S Portable Generator

  • POWERFUL DUROSTAR ENGINE: The DS4000S is Powered by a 7Hp 208cc OHV Durostar Engine.
  • GAS POWERED TECHNOLOGY: Run your generator with Gasoline for long lasting power.
  • PLENTY OF POWER: With 4, 000 starting watts and 3, 300 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 Durostar, get the power you need with a power panel that provides: 2 120V household outlets and 1 120V 30A twist lock outlet.
  • POWERING EVERYONE ANYWHERE: Like all Durostar generators, the DS4000S is EPA and CARB approved for use in all 50 states.

9. 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.

10. 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

4000 Watt Generator Buying Guide


Does the thought of finding a great 4000 Watt Generator stress you out? Has your mind been juggling between choices when it comes to buying 4000 Watt Generator in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect 4000 Watt Generator for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about 4000 Watt Generator Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best 4000 Watt Generator in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best 4000 Watt Generator currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top 4000 Watt Generator brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top 4000 Watt Generator based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the 4000 Watt Generator before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the 4000 Watt Generator they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good 4000 Watt Generator, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your 4000 Watt Generator before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable 4000 Watt Generator will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good 4000 Watt Generator if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated 4000 Watt Generator on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our 4000 Watt Generator on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any 4000 Watt Generator featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.
Categories Tools Tags Automotive , Lawn & Patio , Tools & Home Improvement

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