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Gas-Powered (49 State) Portable Generator w/COsense 8125 Starting / 6500 Running Watt Gasoline Single fuel Portable Generator

Ratings & Reviews for Generac Gas-Powered (49 State) Portable Generator w/COsense 8125 Starting / 6500 Running Watt Gasoline Single fuel Portable Generator

4.3
1350
Review
 4.3 out of 5
1350 Reviews


85% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The generator is described as powerful, reliable, and able to power a variety of household appliances during outages. Many users praise its easy starting and ability to run for extended periods on a full tank. However, some experienced issues with the GFCI breaker, CO2 sensor, and insufficient power output. A few also found the generator to be too loud and had difficulties with assembly. Overall, the generator appears to be a capable and generally positive performer, but customers should carefully consider their power needs and be prepared to troubleshoot any potential issues.

Customer review summary generated by AI, including incentivized reviews.
1350 Customer Reviews

Generac?

Would Not Recommend

GP6700EDF, Gasoline 8250W, Propane 7425W. I picked up the generator on Tuesday 16 Dec 25. My last step was to connect to my 200 pound propane system. Since it was a quick disconnect fitting. I was looking to order another propane regular to use the fitting on the existing supply. Talked to a lady at Generac. She could not find the model number . I could not give the serial number as it was printed at a 45 degree angle. The manual did not have a list of parts Then I looked at the web site. T...

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Response from Generac

Thank you for sharing your experience and for pointing out the details about your new generator. For the GP6700E DF, we recommend only using standard... Read More

GeneracJanuary 22, 2026

Generac

Defective out of the box

Would Not Recommend

Did not work out of box and Lowe's refused to take back a defective product within a 48 hour window. How are you suppose to know if a product is defective without opening the box? This has happen to multiple people and Lowe's continues to sell products they know are defective.

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Response from Generac

We’re sorry to hear about your experience and understand how frustrating it can be to discover an issue only after opening and attempting to use the ... Read More

GeneracDecember 19, 2025

Generac

Outstanding Performance

Would Recommend

This is a great multi fuel electric start generator at a very reasonable price.

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It is easy to start! It has a battery to start it

Would Recommend

It was a brand name and a great price! It has a bigger tank than most. It will run for 11 hours at 50% load.

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Absolute worst generator ever! Don't Do It!

Would Not Recommend

Right out of the box, brand new and this generator ran for maybe thirty min and then shut off and couldn't ever get it started again. I have worked with a lot of generators in my life and thought this 6500 watt was reasonably priced, but now I know why. It is very very loud also. Absolute piece of junk. Don't waste your time, don't wast your money.

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Response from Generac

Thank you for taking the time to share your feedback. We are sorry to hear about your experience, as this is not what we expect from our products. Fo... Read More

GeneracDecember 15, 2025

Generac

Open delivered items immediately for Lowes backing

Would Not Recommend

Defective right out of the box, but I didn't open it for 3 days, leaked gasoline everywhere.

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Response from Generac

We’re very sorry to hear about your negative experience with your new generator. A fuel leak is not something we expect from our products, and we und... Read More

GeneracDecember 8, 2025

Generac

It shuts off by itself after about 30-40sec

Would Not Recommend

The generator doesn’t work out of the box, I had to take it for a warranty service already.

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Response from Generac

We’re sorry to hear your generator didn’t perform as expected right out of the box. That’s not the experience we want for our customers. With a robus... Read More

GeneracDecember 8, 2025

Generac

Not impressed / fuel leak/ lack of customer serv

Would Not Recommend

After assembling opened fuel valve only to discover a fuel leak. Generac "customer service" not helpful at all, tried registering product on their website unable too. Customer service said they did it over the phone, only to find out later Genera " customer service" did not actually register my generator. The closest authorized Generac company told me it would be at least 4 weeks before they could even look at my generator. Tried to file a claim under my Lowes protection plan only to be to...

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Response from Generac

We are sorry to hear about the trouble you experienced with your generator and the inconvenience it caused. A fuel leak after setup is not expected a... Read More

GeneracNovember 25, 2025

Generac

Defective and won't help replace. Buyer beware.

Would Not Recommend

I purchased the product and found the propane fuel would not work. I then tested the tank, tested the hose, and followed all Generac guides for troubleshooting. Support told me to take it to a shop for repair but this unit is 175lbs and there is no way I could transport that. I will never buy from Lowe's or Generac again. Terrible product and terrible service. DO NOT BUY Generac or from Lowe's.

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Response from Generac

We’re truly sorry to hear about the experience you’ve had. What you've described does not align with the product reliability or robust support we... Read More

GeneracNovember 24, 2025

Generac

Factory defect at the gasket for gas line

Would Not Recommend

Defective gasket on gas line. Returned product for refund and did not replace.

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Response from Generac

Hello Sheryl, thank you for letting us know about the issue you experienced. We are sorry to hear about your negative experience and appreciate you t... Read More

GeneracNovember 20, 2025

Generac

won't start from the get go

Would Not Recommend

[will not run] returning and buying a different brand

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Response from Generac

Thank you for taking the time to share this feedback. This is not the experience we want for any Generac owner, especially right out of the box. A ne... Read More

GeneracNovember 17, 2025

Generac