Generac 7678 GP3600 3,600 Watt Portable Generator
Generac 7678 GP3600 3,600 Watt Portable Generator
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Generac 7678 GP3600 3,600 Watt Portable Generator

4.6 stars out of 1734 reviews
(4.6)|
1,734 ratings
Size:8"-Out of stock

Key item features

  • Powerful Performance: Generac's PowerRush Advanced Technology delivers over 40% more starting capacity, enabling the generator to power more tools and appliances.
  • Engine Durability: Equipped with an OHV engine featuring splash lubrication, this generator ensures a long operational life.
  • Engine Protection: An automatic low-oil level shutdown mechanism safeguards the engine from potential damage.
  • Extended Operation: The large-capacity steel fuel tank includes an integrated fuel gauge, providing durability and extended run times.
  • Robust Construction: A hardened steel tube cradle offers added strength, enhancing the generator's overall durability.
  • Effortless Portability: Heavy-duty, never-flat wheels and a foldable handle facilitate easy transportation of the unit.
  • Compact Storage: The GP3600's compact size ensures it occupies minimal storage space in a garage.
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was $1,025.70
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Customer ratings & reviews

4.6 out of 5 stars
stars1,734 ratings1,712 reviews
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Reviews summary

Pros
  • : Assembly typically takes under 30 minutes.
  • : Offers great value at this cost.
  • : Simple and intuitive features require minimal effort.
  • : Built with durable materials for a long-lasting product.
  • : Provides sufficient power to run entire households and essential appliances.
Neutral
  • : Can be efficient, but also varies by driving conditions.
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Showing 1-3 of 1,712 reviews

Sep 10, 2025
TTom
5 out of 5 stars review

Weston Trawick's guys are awesome!

Bought my Generac from Weston Trawick and they set me up and tested it. 2 days later power went out for 6 hours. Cranked right up! Thank you, Weston Trawick,!

Review from generac.com
Helpful?5F2X8AKLUUKJ519335226
Sep 10, 2025
CMelectric
5 out of 5 stars review

Bad Features I am an Electrical Contractor

I had Purchased This Unit From CED in Hudson on May 14th 2025. Brought it home Installed proper gas and oil Tried to start it it started for a few seconds so I called Generac They told me to take it to be serviced at MacDaddy's Small engine repair in Land O lakes. They still have it there, It had faulty Parts. Your Company would not replace it.

Review from generac.com
Helpful?5F2X8AKLUUKJ519335226
Nov 24, 2024
BMUR
5 out of 5 stars review

Super impressed

Was part of the "Bomb Cyclone" that hit the PNW on 11/19/24 and lost all power. After two days, we decided to invest in a generator knowing that this could happen again. The set-up was easy, the controls were well labeled, the starting process was explained with help from stickers located above the fuel line and choke lever (but make sure to read the manual first). The unit started with ease and ran for 4 days straight as we were out 6 days total. I was able to plug in the chest freezer, mini fridge, floor heater, lights, cable with TV, recliners, computer, and was also able to charge phones and flashlight batteries. This is my first generator ever and now wondering why we didn't purchase sooner. Would have made those first two days way more tolerabe! As a suggestion, even though the unit comes with a 20' heavy duty cord with 3-plug-in capabilities, I stronly suggest having a 50' or 100' equivalent heavy gauge (12g minimum suggested) to run from the unit into the house. If there was one thing I would try and change, it would be the noise output which I know accompanies all generators and just something you and the neighbors will have to deal with unless you devise something that dappens the noise without hindering the exhaust in any way. Overall, I'm super impressed and would recommend to family and friends without hesitation.

Review from generac.com
Helpful?5F2X8AKLUUKJ519335226