10 BEST 4000 WATT GENERATORS for sale in 2020 – compare between the best 4000 watt generators on sale.

RankProductRating
1
DuroMax XP4000S 4000 watt 7-Hp Air Cooled OHV Gas Engine Portable RV Generator
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108 Reviews
Product Highlights
  • Your purchase includes One DuroMax XP4000S 4000 watt 7-Hp Air Cooled OHV Gas Engine Portable RV Generator, One oil funnel, One spark plug wrench, tools set, DC charging cables and owner’s manual
  • Portable Generator dimensions: 24” L x 17" W x 17" H. Product weight: 105 lbs
  • Specifications: Noise level – 69 dB. Fuel tank capacity (GASOLINE) – 3.96 gallons
  • Run your generator with Gasoline for long lasting power

$329.00
2
Durostar DS4000S Portable Generator, Yellow/Black
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771 Reviews
Product Highlights
  • POWERFUL DUROSTAR ENGINE: The DS4000S is powered by a DuroStar 7 HP 208cc OHV engine with automatic low oil shutoff; Fuel Capacity: 3.96 Gallons; Noise Level: 69dB
  • PLENTY OF POWER: With 4,000 peak 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
  • POWERING EVERYONE ANYWHERE: Like all DuroStar generators, the DS4000S is EPA and CARB approved for use in all 50 states
  • WHAT'S IN THE BOX: DuroStar DS4000S Generator, Oil Funnel, Sparkplug Wrench, Tool Set and Owner's Manual

$483.76
3
Champion 3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start
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Product Highlights
  • 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
  • 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

$699.00
4
RYOBI RYi4022X 4000-Watt Gasoline Powered Digital Inverter Generator
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Product Highlights
  • ANSI/ UL2201 Certified for Carbon Monoxide Safety
  • Clean power, safe for sensitive electronics
  • Automatic voltage regulator provides cleaner, consistent power
  • Flat-free wheels for easy transport

$799.00
5
WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange
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31 Reviews
Product Highlights
  • 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

$463.61
6
Champion 4000-Watt RV Ready Digital Hybrid Open Frame Inverter with Quiet Technology (Renewed)
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4 Reviews
Product Highlights
  • This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com
  • 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

$586.52
7
Briggs & Stratton P4500 Power Smart Series Inverter Generator with Electric Start, CO Guard, and Quiet Power Technology, 4500 Starting Watts 3700 Running Watts, RV Ready
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Product Highlights
  • Engine type: 4-Stroke

$982.66
8
Champion 3500-Watt Dual Fuel RV Ready Portable Generator
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Product Highlights
  • 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

$670.50 $447.30
9
XtremepowerUS 4000-Watt Gasoline Generator Emergency Lifan Engine Camping 4-Cycle Gas Powered Air Cooled OHV (EPA)
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6 Reviews
Product Highlights
  • 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

$299.99
10
Champion 4000-Watt RV Ready DH Series Open Frame Inverter with Quiet Technology
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295 Reviews
Product Highlights
  • 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

$674.99 $617.39

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John Carter

John Carter is the owner and CEO of AcedProducts.co—a popular online website that analyzes tens of thousands of reviews on various products to show you the bestsellers in any category. His goal is to make online shopping much easier than it's ever been by eliminating the need to guess which products are good and which ones are bad.