Power the fun stuff or cover an emergency with a GP Series portable generator. Affordable reliability and features not usually found on basic portable models make these a favorite for home use, camping, job sites or outdoor events.
We’ve found pros and cons of the product. But overall, It’s a supreme product and we are well recommend it! When you however want to know more details on this product, so read the reports of those who have already used it.
The Generac 5939 GP5500 5,500 Watt 389cc OHV Portable Gas Powered Generator is one of the best-selling Product available in the market today, you can compare it easily in online and offline store. You can also see this product in Best Buy, Walmart, Costco, Ebay and AMAZON. But We just recommend you to purchase from AMAZON Online Store.
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Generac 5939 GP5500 5,500 Watt 389cc OHV Portable Gas Powered Generator is so well-made. And it is not only you are going to please with this good conception and also you are going to satisfy with the reasonable cost in case you compare with the other similar item which is on the internet around the world.
Most helpful customer reviews
250 of 261 people found the following review helpful.
By Joe’s Garage
We bought this Generac GP5500 as part of a deal with our electrician when he installed a transfer switch in out home.I was impressed by the solid construction of this genset and the strong build of the frame/cage. The power generated is as advertised. It is not unduly loud either, and is held down to a reasonable sound level when the windows in the house are closed and the unit is running out in the driveway.Anyway, I dutifully exercised this generator every month for a 15 minute run under load. It provided enough power to keep my essentials on in my home. I put about 5-6 oz. of fresh fuel with stabilizer in it for each run. After about 15 minutes under load, I switched off the load, and then ran it until the fuel ran out. I then turned off the fuel valve and put it back in the garage. I also changed the oil when it first hit 2.0 hours of run time.After about 5 months of owning this machine, it suddenly started spewing fuel all over the ground during the monthly maintenance run. I contacted Generac for warranty service and the referred me to a local dealer. After transporting the generator to them, they had it for about a week. They said that the float in the carburetor was stuck open due to some corrosion. They claimed that this was due to bad fuel or fuel contaminated with water, or leaving the machine idle for too long without exercise. This boggled my mind since I have been very careful to prevent just this sort of issue.They refused to even attempt to go get Generac to cover the cost of the repair and billed me $300.00. I explained to them that I followed all maintenance recommendations. The unit was kept in a dry garage without any fuel in the system between test runs. It had 2.1 total hours of run time — all of it for monthly test runs. Essentially brand new. And yet they refused to even attempt going to Generac for warranty coverage since they explained it was a failure of maintenance by the owner. I told them my maintenance routine, but they said that and corrosion like that is simply not covered.I am extremely disappointed with this response from the local Generac dealer. It was also very expensive to repair when compared to the overall cost of the unit (nearly 50%). I suspect that the valve was stuck or was of inferior quality and that it had nothing to do with corrosion. perhaps there was a metal flake or burr in there since everything was brand new. But without filming the entire repair and taking parts to inspect them, it is impossible to know and prove what exactly was truly wrong.If I had to buy over again, I would choose a Honda. And if something goes wrong with the Generac again while I still own it, I will fix it myself instead of taking it in for warranty service. Coverage for repairs is completely at the discretion of your Generac dealer/service people and there is no way to prove that you, as the owner, followed all the proper maintenance and still encountered a part failure — and are thus stuck with a bill. It is not worth paying $300 to clean a float value for a generator that costs about $700.00.
79 of 81 people found the following review helpful.
Generac 389cc Fuel Leak Problem Solved
By ken vann
I have solved my fuel leak problem. I own a two year old Generac GP 5500 (model 005623-1) that had this problem. It only has about 20 hours run time, but I keep fuel in it year round. I start and run for 30 minutes every 14 days.Carburetor leaks are caused by a float stuck in the lower position. This can be caused by dirty/old fuel, or Ethanol and water mixing in the fuel. Temporary repairs can be made by lightly taping the carburetor, or by removing and shaking it to free up the float.Inspection of the float needle showed it to be made of bright aluminum, with a synthetic tip. This needle had corrosion and pitting on it’s body, while the synthetic tip had minor wear. It did not have an anodized coating for protection from corrosion. I believe this to be an engineering problem.Mine has a Huayi Standard of Japan carburetor. Huayi Model #: P27-1, P23 and or P20-1. Not sure which model.Internal carburetor parts are not available from Huayi or the generator manufacturers. The Huayi design is a clone of certain Honda carburetors, used on some models of GX-240, GX-340 & GX-390 engines. Honda parts or generic equivalents can be used for repairs. See Honda parts manuals for detailed drawings.I recommend to use Honda Part #16011-ZA0-931 Float Valve, or equivalent, for all repairs to these carburetors. The Honda part is made of synthetic material. The generic parts appear to be made of Aluminum or Zinc with a dull finish. This finish may or may not resist corrosion. All examples came with a spring.Here is a list of part numbers that are generic equivalents to the Honda part.Prime Line:7-02343, Rotary:22-10475, Stens:525-554 Needle Valve HONDA/16011-ZAO-931, Oregon:49-997 Oregon 49-997, Carburetor Needle Valve HI installed the Rotary part in August of 2012, and will keep an eye on it to see if it holds up to the 10% Ethanol fuel. Cannot get pure gas in my area.Also I changed fuel treatment. Quit using Sta-Bil and went to Star Tron. Star brite Star Tron Enzyme Fuel Treatment Gas Additive (8 oz)I replaced the Solenoid Fuel Valve mounting screws. They were Philips head and I stripped them out. Used hex bolt in 5mm x 12mm, 0.80 thread pitch, grade 8.8. Had to use a thinwall socket to put them in but it works great.Generator starts with one or two pulls and runs great with the Rotary part.Found generic air filter that fits. Try Oregon 30-963 Pre-Oiled Foam Air Filter For Honda 17211-899-000 or Air Filter HONDA/17211-899-000. These replace the two piece filter that came with the generator.My generator came with a fuel filter. It not listed in the Generac parts list, so I have been testing a KOHLER 25 050 07-S Engine Fuel Filter 75 Micron With 3/16-Inch & 1/4-Inch Fuel Line Inside Diameter. It fits 3/16 and 1/4 ID fuel line.I will edit this review in the future and post the long term results of the carburetor repair.One last thing, always check back with the Generac website to see if they have revised the parts list or owners manual for your model. When I checked, the parts list went from Revision B (when I purchased it) to Revision D this August. More parts are now available for this 389cc engine.And yes, this fuel leak problem should be solved by Generac. It’s an engineering problem.===============================================Revised: October 6, 2012Search for Ken’s Generator Resources for more information on how to fix this fuel leak.============================Revised: February 18, 2013Be sure to read the comments on this post for more information on how to fix this fuel leak. This problem is an easy fix.
46 of 49 people found the following review helpful.
Generac is a rip-off!!
Do not buy a Generac GP5500!. You will get a gas leak from the carb and they will not warranty. it is easy to fix and someone on youtube posted how to fix but the problem will recur over and over. Generac knows this is a bad carb problem by the manufacturer but refuse to help customers.Do yourself a favor and stay away from a Generac.
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