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Customer reviews for Generac 8917 GP18000EFI 18,000-Watt Gas-Powered Electric-Start Portable Generator for
Generac 8917 GP18000EFI 18,000-Watt Gas-Powered Electric-Start Portable Generator
4.6 out of 5 stars
stars1,696 ratings1,696 reviews
  1. 5 stars79% (1,332)
  2. 4 stars14% (245)
  3. 3 stars2% (40)
  4. 2 stars1% (20)
  5. 1 star3% (59)

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Showing 371-380 of 1,696 reviews
Jul 30, 2023
Tom
1 out of 5 stars review

GP15500 EFI *DISAPPOINTED *

I purchased and received my GP15500 EFI on July 11, 2023. I purchased the unit to supply supplemental power to my home, as we experience frequent multi-day power outages due to severe weather. As of yesterday, 07/29/23, we were subject to severe weather and lost power. I fired the generator up and started supplying power to my home. The unit worked flawlessly for 10 hours, getting me through the night. Woke up this morning, 07/30/23, and shut the unit down to let it cool before refueling. Went to get more fuel and when I returned home (30 mins later) I found that the top portion of the fuel tank imploded and collapsed on itself. I am in complete disbelief. This was supposed to be a reliable piece of equipment and at $4,000.00 I expected more. Yes, the unit is covered under warranty. However, no Generac certified repair shop is open on a Sunday and I estimate not having my equipment back for several weeks, figuring new parts will have to be ordered. The unit was assembled and maintained according to the manufacturer's manual (i.e, oil level, fresh fuel, proper storage, etc.) And only has 11.2 hours of run time. I went with Generac because of their exceptional reputation but now regret my purchase, as I have a $4,000.00 paper weight and no power. I may update this review once my equipment is repaired but fear I will run into the same issue in the future. I tried to add photos but I am unable to do so.

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Sep 12, 2017
Jameskacz
5 out of 5 stars review

Great product

Purchased the gp6500e in case of power outages from hurricane Irma. Works exactly how you would expect. Instructions could be better but common sense goes a long way. The single quart of oil brings the unit just past the low mark on level ground, good thing I had backup oil on hand. Battery came with enough charge to start it right out of the box. Has been running constantly with no hiccups. 9/10 Would buy again!

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Jun 7, 2018
Walt
5 out of 5 stars review

Works great for emergency backup power

After several years of wanting a generator for backup power during utility power outages, and several years of putting it off, I finally bought a Generac GP8000E. I chose this model because it just happened to be available where I was shopping and because of Generac's overall good reputation. I also wanted a generator in this 7500 to 10,000 watt category. I added a third-party mechanical lock-out mechanism and a 40 amp double pole back-feed breaker to my main breaker panel, and fed it through a 30-amp power inlet box. The mechanical lock-out acts as a manual transfer switch, in compliance with electrical codes and safety regulations. This keeps me, my generator, my house, and power company personnel all safe. This arrangement allows me to power my entire house (except my central air conditioning) all on the GP8000E. My historical electrical usage data indicated that during non-A/C months, I never drew more that 5000 watts from the power company at any given time. Thus this 8000 watt -capable generator is perfect! I even measured the AC current with typical household loads all turned on (lights, refrigerator, basement freezer, computers, etc.) while running on this generator and I got a reading around 7 to 10 amps on each "hot" leg of the 240 volt 30 amp feed from the generator. Thus I still have a very comfortable "cushion" before I approach this generator's maximum power rating. I bought this generator about 2 years ago. I've only needed to use it a couple of times, but tonight I *needed* it! It started right up and ran continuously for about 7 hours straight. No problems. It provided all the power we needed for lights, refrigeration, TV, and computers all without a hiccup. I'm very pleased.

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Apr 5, 2021
tobi
5 out of 5 stars review

Great unit with Excellent customer support

bought this unit, and had a major issue with it before it even had any hours on. I contacted customer support and had the issue resolved with one phone call. They sent out the parts right away, without any problems. now the unit runs perfectly. very happy with this purchase.

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Jan 24, 2015
Dan5022
4 out of 5 stars review

Fired up on the first crank

Have been waiting for this model to go on sale for over a year. Finally found it at a local business for $150 less than the big box stores. Wanted a Generac as it has always been rated very good by Consumers Report. Haven't used it yet, but assembly instructions were very easy to follow. Started up on the first crank.

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Dec 25, 2013
C. J.
5 out of 5 stars review

A really fine product

Ordered my Generac GP17500E after researching on-line and talking with friends who have Generac generators. To my surprise, it was ready for delivery in 1 day. Uncrated and assembled it in about 2 hours (instructions were good but could be more user friendly) and was impressed with the quality of construction. The supplied oil, spare filter, spark plug, etc., were added value. Very pleased with this generator and have recommended Generac to family and friends.

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Oct 3, 2018
Plang0719
5 out of 5 stars review

Very useful

[This review was collected as part of a promotion.] This generator is easy to use and is very convenient. Yes, it takes up some room in your garage and you might not use it frequently, but in Houston hurricane season it is worth it to be prepared. This won’t power your whole house, but it will keep the refrigerator running and a couple other things powered in the event the electricity goes out.

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Jun 16, 2014
Wade13
5 out of 5 stars review

Competition cannot touch product features for the price!

I've owned three generators in the time I've resided in my current home for 27 years. My previous brand also contained a Generac generator module, still functional after 15 years! My new purchase of a GP7500 was based on my previous experience with Generac. I have nothing but good words for Generac as it has prevented numerous flooded basements, loss of food in refrigerators and freezers and comfort with running water, heat/AC and lighting for my family during days of power outages.

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Jun 11, 2021
Paul
5 out of 5 stars review

Electric Start, Quality, and local dealer support

i purchased a GP6500E as a replacement of a generator that was impossible to obtain parts for and was pull start. At 79 years old an electric start was necessary. Home Medical equipment makes it a requirement for power all the time. it is easy to move around and ready in a moment. the Generac dealer put some fuel in it and ran through the starting procedures warning me about safety issues.

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Dec 8, 2020
Jimbo1mcm
5 out of 5 stars review

Super reliable.

This unit has everything I need to power my house. The voltage and frequency is very, very stable and I have in house meters checking it. It runs my oil burner perfectly. The unit starts on the first 1/2 rotation each time. I have most of my home on this generator, except for central air conditioning, which, if I turned some other stuff off, would probably work. I highly recommend this product.

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