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Generac Portable 5,500 Watt Generator

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Generac Portable 5,500 Watt Generator


  • Generates plenty of electricity to weather the storm
  • Powers refrigerator, sump pump, furnace fan, lights and more
  • High-quality engine with automatic low oil shutdown
  • Produces safe, clean - near utility quality - electricity
  • Built-in resets remind you of scheduled maintenance
  • Generates power up to 10 hours at half load
  • Never-flat tires and locking fold-down handles
  • OHV splash lubrication
  • High performance alternator
  • Steel fuel tank with fuel gauge
  • Circuit breaker protected outlets
  • Low tone muffler
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Product Details:

  • Maximum Wattage: 5500 Watts (W)


  • Overall: 27.5" H x 33.5" W x 26.5" D
  • Overall Product Weight: 180lbs

Generac Portable 5,500 Watt Generator

Weights & Dimensions

  • Overall: 27.5" H x 33.5" W x 26.5" D
  • Overall Product Weight: 180lbs


Electronics Safe: YesEngine Brand: Generac
Running Wattage: 5500 Watts (W)Starting Wattage: 5500 Watts (W)
Maximum Wattage: 5500 Watts (W)Outlet or Receptacle Included: Yes
  • Number of Outlets: 5
Tank Capacity: 7.2 GallonsRun Time at Half Load: 10 Hours
Run Time at Full Load: 20 HoursLow Oil Alert: Yes
Wheel Compatible: YesCountry of Manufacture: United States

About the Manufacturer

Since 1959, Generac Power Systems, Inc. has been a leading, innovative manufacturer and marketer of portable and standby generators, automatic transfer switches, modular paralleling systems, and small engines for recreational vehicle, residential, and commercial applications. Generac’s power systems range in output from 2 to 9,000 kilowatts.

Generac Portable 5,500 Watt Generator

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When you buy a Generac Portable 5,500 Watt Generator online from Wayfair Supply, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the Generac Part #: 5939 here. If you have any questions about your purchase or any other Portable Generators product for sale our customer service representatives are available to help.Whether you just want to buy a Generac Portable 5,500 Watt Generator or shop for your entire business, Wayfair Supply has everything you need.
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Customer Reviews

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Average Overall Rating
(based on 18 reviews)

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Generac GP5500

Lee from Bristol, CT– Verified Buyer

Unpacked the unit and assembled with no problem. Poured in the oil provided and some gas and started it up on the second pull. Plugged it into the transfer switch, checked the voltages and they were good to go. Overall quality seems average. Although I only tried it for a few minutes, I am satisfied with the purchase.

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lisa from Milton, GA– Verified Buyer– Top 5 Reviewer

Great item, fast delivery, easy to assemble, very happy with purchase.

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Susan from Fairfield, CT– Verified Buyer

Great price and easy delivery. Use it as a back up to our whole house generator.

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jack be nimble

Robert from Wyncote, PA– Verified Buyer

Delivery and physical placement went smoothly. Instructions are clear and concise. Devise runs well with easy start. Output is as stated. All I need is a storm.

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naseem from milton, GA– Verified Buyer– Top 500 Reviewer

Great piece of furniture, well made, beautiful and will last forever!

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Great Generator

Brian S from Newton, MA

When the power goes down for any amount of time, this generator has been a life saver. I never have to worry about being in the dark.

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Andre Vanhalen from West Nyack, NY– Verified Buyer

Bought it because of Consumers Reports recommendation. Works Great, starts easily, loud, but most of them are, good value. Good running capacity.

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Patrick Kelty from Williston Park, NY– Verified Buyer

Started up on the first pull. My neighbor recommended that it does whole house. Only negative is noise level. Easy assembly.

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Excellent Purchase

Richard Oppedisano from Cortlandt Manor, NY– Verified Buyer

The Generac 5500 was an excellent value from Wayfair and it was delivered well before they estimated it would be. They also had the unit when many other storeswebsites did not.

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Easy to operate

Anastasia from Avon, CT– Verified Buyer

great to this after having no power for 11 days

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Portable 5,500 Watt Generator is also sometimes listed under the following manufacturer numbers: 5939