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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
stars
1,715 ratings1,715 reviews
  1. 5 stars78% (1,346)
  2. 4 stars15% (250)
  3. 3 stars2% (40)
  4. 2 stars1% (20)
  5. 1 star3% (59)

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Showing 521-530 of 1,715 reviews
Feb 26, 2013
Reviewer name: Chris
5 out of 5 stars
5 out of 5 stars review

Quick Start, solidly built

I live in the Northeast corridor and have decided this wacky weather is no fun w/o electricity. Purchased the GP6500E w/ manual transfer kit. Assembly was easy. Started right up w/ the electric ignition. Contracted a local electrician to install the transfer box. Straight forward and no surprises, other than needing a 60 amp main breaker. Electrician commented on the box and said the set-up was pretty slick. Prepared and waiting for Mother Natures next haymaker.

Review from generac.com
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Jan 8, 2025
Reviewer name: Warrior Fan
5 out of 5 stars
5 out of 5 stars review

Great and reliable product to purchase.

2 of my friends, my sister and I brought the GP6500 Generator 2 days after Hurricane Helene hit our hometown in Georgia September 2024. I assisted 1 of my friend with the assembly process and I assembled both mine and my sister's generator by myself. It was a simple process. Once gas was added to the fuel tank, all of them cranked up on the first pull and stayed running until they either ran out of gas or was turned off manually. The generators was a life saver. They supplied power to what we needed and never failed to perform perfectly. They were used for 6 days before the utility company was able to provide us electricity again. I am now in the process of trying to get a manual transfer switch and power inlet box installed so that I can be more prepared for the next power outage. Thanks Generac.

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Nov 9, 2024
Reviewer name: Generac Portable
3 out of 5 stars
3 out of 5 stars review

Let me down during the storm

Helene came through, purchased this generator and it ran for less that 25 hours and wouldn't keep running. Took it to the local services center and had to pay $40 for them to evaluate it for repair. Makes me leery of investing in a whole home system through generac.

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Sep 7, 2018
Reviewer name: Papasan
5 out of 5 stars
5 out of 5 stars review

Great Quality

This is the third Generac I have owned and it is the very best. The electric start is wonderful and all the features can't be beat.Glad to see solid tires no more flat tires. Very reliable and the heavy duty chord that comes with it it is very handy.

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Feb 3, 2021
Reviewer name: BP
4 out of 5 stars
4 out of 5 stars review

Big enough for the job.

Shaky start with this machine. Dead battery out of the box and loose contacts in the outlets. Wheels adequate for concrete, but wish they were larger and fatter for moving through gravel. Starts easily. Noise is at 73 DB as stated. Factory Service center took care of the battery problem, but wasn't concerned about loose contacts in outlets. Duh. Sometimes no juice comes out of the 110v side. Have to fiddle with the plugs to make contact. Had a short power failure after purchasing and debugging the generator. Decided to wait for daylight before hooking up generator, but by then power was back on. Because of the garage door design, I will make a shed for the generator's outside storage next to the 220V receptacle. Secondary purpose for the generator is to power the community well in our plat, if needed; hence the need for wider tires when moving the generator through the gravel to the pump house. I think the generator is worth the cost, but am sorry the Factory quality control was sloppy. I wish the factory would actually run the machine and completely test it prior to shipping. A little odor in the gas tank at the store is a small price to pay for enhanced reliability. Nice to have features: a battery feedback circuit, and an output meter advising how much wattage is being drawn by the system being supported by the generator. Best advice I can offer to a buyer is buy the generator in June or July. I didn't get around to purchasing my generator until winter, and there was no selection available in two Counties. This machine was literally the only generator of this class available. I went looking for an 11,000 watt machine and had to settle for this 8,000 watt machine. I think it will run the pumphouse. Maybe I'll never have to find out.

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Sep 15, 2018
Reviewer name: Bluecollarworker
5 out of 5 stars
5 out of 5 stars review

This product has all the features needed to supply comfort backup power

I would recommend Generac to anyone. I am very pleased with its performance and features. Wish I had of bought this alot sooner and not suffered discomfort during any power outages before now. Dont wait buys yours today! Portable so it has so many uses of ease and convenient.

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Dec 28, 2015
Reviewer name: InTheDark
5 out of 5 stars
5 out of 5 stars review

The Power Came on Just Before We Fired It Up!

We were into a two day power outage and the temperature was in the 20's. Called ahead and paid over the phone - picked Generac because of the name and quality. Drove 70 miles and picked it up and by the time I got home I was too tired to put it together. It got down to 13, but our propane stove kept us warm - put our food outside! Got the generator put together and the power came on! Took a break, added oil and cranked w/o gas to make sure everything was oiled good and it started! Filled with gas and started on the first crank. Plugged in 2 space heaters and the truck engine heater and let it run for an hour and a half to break it in for next time. Plugged in the battery charger and charged for 24 hours to make sure it is ready to go - really like the battery start feature! Great purchase for us - we have been wanting to get one. (Your program won't let me post a 4 X 6 photo.)

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Nov 27, 2015
Reviewer name: Bob
5 out of 5 stars
5 out of 5 stars review

Great Value

Easy to set up. Large wheels makes it a almost effortless to move around. The extension that comes with the unit is handy when I move it off site. Normally we use this generator as a standby unit in case of storms and other power outages. We connect it to our transfer switch with a 50 ft. very heavy twist lock extension cord. Easy to start and relatively quiet. Great value for the money.

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Jan 10, 2014
Reviewer name: ACE
3 out of 5 stars
3 out of 5 stars review

This generator has about average features

I purchased this generator as a back up for my home, and used it only 5 hrs and I haven't found it to be any better or worse to setup or features it offers. It is not as quiet as I had hoped. I have owned or own 6 generators. Size of those units have ranged from 2000w-15,000watts. The gas cap was very difficult to remove to fill with gas. Attaching the battery cables was not easy at all and I have some mechanical ability. Battery location could be better. Oil that comes with the unit does not give a 30W, 10W-30 label and does not indicate the size of the container, 32oz, 24oz, 42oz.. I did enjoy the ease of transporting it from the house where I assembled it to the shed in several inches of snow, where it is stored. That distance is 125 ft. The Generac brand has been around for years so I hope to get 1000 hrs + of use with no mechanical service issues.

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Oct 29, 2019
Reviewer name: JB
5 out of 5 stars
5 out of 5 stars review

Best helper at the worst time!

I am not a big fan of generators running in the nights disturbing our good neighbors. But, due to the increased power shutdowns, it became an essential part of our daily life. All the features of this generator are excellent, other than its sound level in our quiet neighborhood.

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