Generac 5939 GP5500 5,500 Watt Portable Generator, 49 State, 5939 at Tractor Supply Co.
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Generac 5939 GP5500 5,500 Watt Portable Generator, 49 State, 5939

SKU # 100792199
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Product Rating is 4.7
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An affordable solution for recreational applications. Perfect size for tailgating,camping and power tool use.

  • Generac's OHV engine with splash lubrication provides a long engine life
  • Low-oil level shutdown automatically safeguards engine from damage
  • Large-capacity steel fuel tank with incorporated fuel gauge provides durability and extended run times
  • Hardened 1-1/4" steel tube cradle for added durability and strength
  • Hour meter tracks maintenance intervals
  • Fold-down, locking handle for sturdy portability and compact storage
  • Heavy-duty, never-flat wheels for reliable portability
  • Covered, circuit breaker protected outlets
  • 7.2 Gallon fuel tank

Specification Description
CountryofOrigin: Imported
Run Time at 50% Load: 10 hr.
Start Type: Recoil Pull Start
Duty: 5500 W
Running Watts: 5,500 W
Warranty: 2 year limited residential; 1 year limited commercial
Power Type: Gas
Brand: Generac
Horsepower: 7.37 HP
Decibel Rating: 0 n/a - not measured
Product Height: 25 in.
Part Number: 5939
Voltage: 120/240 VAC
Product Width: 27 in.
Fuel Type: Gasoline
Engine Displacement: 389 cc
Run Time at Full Load: 0 n/a - not measured
Surge Watts: 6,875 W
Type: Portable Generator
Amperage: 45.8 A
Special Feature(s): Generac OHV engine, Large-capacity steel fuel tank, low-oil level shutdown, hardened 1.25 in. steel tube cradle, fold-down, locking handle, hour meter, heavy-duty, never flat wheels, covered outlets
Product Weight: 170.9 lb.
Engine Brand: Generac
Outlet Receptacles: (1) 120/240 V 30 A L14-30R Twist Lock Outlet; (2) 120 V 20 A 5 - 20 R Duplex Outlets
Product Length: 27.25 in.
Number of Circuits: 0 n/a - not measured
Manufacturer Part Number 5939
Generac 5939 GP5500 5,500 Watt Portable Generator, 49 State, 5939 is rated 4.7 out of 5 by 798.
Rated 5 out of 5 by from Generac Generator is TOP notch! We finally bought a generator after years of living in the country! Our Generac 5500 watt generator handled our recent 3 day power outage beautifully! Easy to start and easy to use!!
Date published: 2019-08-12
Rated 5 out of 5 by from My Generac GP5500 saved my bacon (and a lot of other food too) We lost power around 7:20 PM on Friday, July 19, 2019. The cause was a violent thunderstorm that ripped across southeast Michigan in the span of less than one hour. I decided, at 5:00 AM, that if I wanted to keep my food from spoiling, that I would need to purchase a generator - pronto. Looking online, I saw that one of the big box stores had the Generac GP5500 on sale. Unfortunately, my local store did not show one in stock, but a store 50 miles away had 14 of them. I promptly placed my online order and headed to the store. When I got there, the store had only been open 15 minutes and my order hadn’t been pulled yet. The store’s staff manage to get a hi-lo operator snd he promptly fetched my generator. Understand, we were in the middle of a tremendous heat wave, and this was going to be one of the hottest days of the year, with heat index reaching 105 degrees. I hurried home with my new generator as the sun began to rise in my rear-view mirror. Arriving at home, I quickly assembled the wheels, rubber feet and handle, added the quart of included oil, put a couple of gallons of gas in the tank and two pulls later that baby was singing the sweetest music one could imagine. The Friday storm took out power to 72,000 DTE Energy customers. Saturday afternoon, an even larger storm came through southeast Michigan and left 800,000 customers in the dark. I was so thankful I had purchased my generator early that morning. I ran the generator all day/evening Saturday, shutting it off st 11:00 PM and resuming running at 7:00 AM the following morning. This routine was repeated Sunday and Monday. In all this time the machine ran flawlessly, powering two full refigerator-freezers, one upright freezer, the 60” tv, the coffee maker, and an electric griddle for pancakes on Sunday morning. It seemed the harder I pushed that generator the more it gave. Power was finally restored at 2:35 AM Tuesday morning. When we began coiling up all the heavy-duty extension cords and putting the house back in order, in the morning,I decided to check the oil level before putting the generator away. After 50 hours of HARD running, it had used about 1/2 pint of oil. Understand this was a brand-new engine that had not been broken in, was run hard for 16 hours per day for three days immediately after taking it out of the box. Now that is what I call outstanding performance. I am a retired automotive engineer and I want to go on record that I am extremely impressed with the quality, reliability and performance of this generator. Thank you, Generac, you literally saved my bacon!
Date published: 2019-07-23
Rated 5 out of 5 by from Quick setup and powerful During a recent power outage we purchased a GP5500. Assembly was quick and easy; within an hour we had it up and running, powering 2 refrigerators, sump pump, washer and dryer, TV and internet router. The fuel tank is large enough to allow it to run for 15 or so hours between refills. All in all a good experience and very satisfied.
Date published: 2019-07-22
Rated 4 out of 5 by from Great Feature Opened the box and found everything well protected. As I pulled everything out, I was looking for the op’s manual so as to identify parts. Luckily, everything was there. The assembly instructions are short and to the point - perfect. Added the oil and a little gas for a test run. First pull and it started right up. The one feature I can really appreciate is the “low oil shutdown.” When you go through seven to ten days without power due to hurricane damage, the last thing you need is a burned up generator. Overall I’m satisfied.
Date published: 2019-07-17
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For home use will this run 3 refrigerators, a 51 inch tv, a portable a/c unit, and a couple small fans?  I have no clue when it comes to a generator..I am a female

Asked by: DonnaJohn
Generac's GP5500 portable generator, model number 5939, features an continuous AC rated output of 5500 running watts and a rated VAC amperage of 45.8 amps at 120V and 22.9 amps at 240V. We would recommend ensuring your connected loads not exceed these particular ratings. If you are unsure of the power output requirements of the loads you have specified, we would recommend working with a certified electrician in your local area to ensure you are able to acquire the right generator for your needs. For help locating a certified party near you, please contact us directly at 888-GENERAC (436-3722).
Answered by: Generac
Date published: 2018-05-01

does this model come with a on/off valve so the gas can be shut off and not go into the carburetor

Asked by: willys1948
The generator's fuel shutoff mechanism is located on the unit's fuel tank.
Answered by: Generac
Date published: 2018-05-01

Can this generator be in the weather outdoor while running?

Asked by: 12misty
During inclement weather, please be advised that we don't recommend running the unit in a downpour or storm. However if you need to run it in rain or snow, there are a few steps that should be taken. Please note that any damage to the unit due to running it in the rain/snow is not covered under the warranty. 1. The unit needs to be properly grounded. Local codes will dictate what that means for your area. 2. The alternator end and the control panel should be facing away from the prevailing winds to prevent water entering the alternator or control panel. 3. The unit should never be run indoors or in an enclosed area. The unit does need to be outside with a minimum distance of five feet all around the unit (including the top) for airflow.
Answered by: Generac
Date published: 2018-08-27

Can this be set to start via hard wired remote switch?

Asked by: Bunnyhuntintoby
According to Generac, yes it can be done but it will void the warranty.
Answered by: DanielB
Date published: 2017-10-29

does it have a hour meter

Asked by: butch72
Yes, the GP5500 is equipped with an hour meter that tracks maintenance intervals.
Answered by: Generac
Date published: 2019-01-09

Can this product run a 220v small welder

Asked by: Jgar
As we are unfamiliar with the power output requirements of the load to which you are referring, we are unable to confirm compatibility. We would recommend ensuring any product you intend on operating with Generac's GP5500 portable generator, model number 5939, not exceed the unit's power output ratings (5500 running watts and rated VAC amperage of 45.8 amps at 120V / 22.9 amps at 240V) or the power output capabilities of the unit's featured receptacles. To ensure you are able to acquire the proper product for your personal needs, we would recommend working with a certified electrician in your local area. For help locating a certified party near you, call us directly at 888-GENERAC (436-3722).
Answered by: Generac
Date published: 2017-10-29

Will this generator automatically idle down when no power is being used? In the past I had another brand that would do so to save on fuel.

Asked by: Scrappy2016
Generac's GP5500 portable generator, model number 5939, does not feature idle control.
Answered by: Generac
Date published: 2017-09-08

How much does it weigh? I want to know so I can see if I can use it for camping trips.

Asked by: Sparky995
Per the product's spec sheet, Generac's GP5500 portable generator, model number 5939, weighs 171 lbs.
Answered by: Generac
Date published: 2017-09-08
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