Generac 800-Watt Gasoline Powered Portable Generator-5791 - The Home Depot


Model # 5791

Internet # 202048579

800-Watt Gasoline Powered Portable Generator

Generac 800-Watt Gasoline Powered Portable Generator

This item has been discontinued.
The Home Depot no longer carries this specific product.

$319.00 / each


Model # 5791

Internet # 202048579

The lightweight and compact design of the Generac iX800 800-Watt Gasoline Powered Portable Generator is great for easy portability. This generator delivers a powerful punch capable of powering camping, tailgating and recreational equipment. This generator offers low harmonic distortion ideal for running sensitive electronic devices, such as computers and DVD players, and can be run on high mode for large loads and eco-mode to save fuel.

  • 850-Watt peak and 800-Watt running power provides reliable power to run household appliances, camping equipment and more
  • 1.5 gal. fuel tank runs the generator continuously for approximately 3-1/2 hours
  • 38 cc engine runs on gasoline to provide dependable power
  • Two 5-15R outlets provide consistent output with less than 3% total harmonic distortion
  • FlexPower feature offers a high mode of operation for large loads or battery charging and an eco-mode to save fuel and reduce noise
  • Muffler provides quiet operation
  • Automatic shut off when oil levels are low to help prevent engine damage
  • LED lights on control panel indicate unit status at a glance
  • Lightweight and compact design with built-in handle for easy transport
  • Click on the “More Info” tab to download the specifications pdf to view the wattage requirement guide
  • Carrying handle
  • This item cannot be returned

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.


Assembled Depth (in.)  18 in  Assembled Height (in.)  15 in 
Assembled Width (in.)  10 in  Product Height (in.)  15.0 
Product Length (in.)  18  Product Width (in.)  11.3 
Auto idle control  Yes  Automatic Voltage Regulation  Yes 
Built-in inverter  Yes  CA (CARB) Compliant  Not CARB Compliant 
Continuous Wattage  800  Engine Displacement (cc)  38 
Engine Make  OEM Branded  Fuel Gauge  No 
Fuel tank capacity (gallons)  0.5  Fuel type  Gasoline 
Full load fuel consumption (gallons/hour)  0.28  Horsepower (hp)  0 hp 
Low oil shutdown  Yes  Muffler  Yes 
Number of circuits/outlets  Operational volume (dB)  0.0 
Osha Required GFCI Outlets  No  Peak Wattage  850 
Product Weight (lb.)  29 lb  Returnable  30-Day 
Run time at 50% load (hours/tank)  3.5  Voltage (volts)  120 
Wheel Kit Included  No 
Warranty / Certifications
Certifications and Listings  1-UL Listed,ETL Listed  Manufacturer Warranty  2-year 


Rated 3.8 out of 5 by 12 reviewers.
Rated 2.0 out of 5.0 by I had to fix a brand new generator Picked it up at the HD in perfect condition. We opened the box in the parking lot to check for damage. A very strong odor of gasoline came out of the box. I thought the item might be used but not the case it was new. I pulled the spark plug to check condition. The plug is OK but the gap is incorrect. I set the gap to .030. Added oil and started up after 3 pulls. The voltage output is good @ 122.4 -122.7 volts. The engine is not running correctly, it is surging without a load. let run for awhile still surging. Shut down and let cool. Pulled the air box off and sprayed carb with Gumout carb cleaner, closed choke and let it soak for 20 minutes. Sprayed more carb cleaner and closed choke. put the airbox back on. Restarted and after a few minutes it ran nice. Voltage remained the same. Operated TV (220w) for about an hour no static, very clean power. Ran a string trimmer (500w) on Econ, RPM takes a dive and then recovers to operate the trimmer with plenty of Power. After 4 hrs I changed the oil. I notice plastic shavings in side the supplied funnel. How sad, they shipped it from China with gas in the Carb. How hard is it to gap the plug correctly. What else is screwed up. Definitely no QC. I am holding my breath because we need this to run our pellet stove during the winter. May 31, 2014
Rated 2.0 out of 5.0 by Works but not great ECO mode barely changes anything on my new one, my old one just like this worked better for about 3 weeks then it stopped making electric all together so i exchanged it. Although it was replaced with the same type of generator they run different the old one ran smooth the new vibrates heavily while on either mode loaded or not. I would not recommend this generator and will be returning this one to get my money back. November 3, 2012
Rated 4.0 out of 5.0 by Good little unit This is all the power I needed to keep my camper batteries charged. It's a little loud when not running in eco mode, tolerable though. Fuel seems to last forever in eco. August 21, 2013
Rated 4.0 out of 5.0 by This generator serves it's purpose and is super quiet Was a skeptic but once i fired it up at the Bama game it was as quiet as the higher priced Hondas. I reccomend you try this one out before you spend the extra dough on the name espeially when you get the same quality and value for the need. I would reccomend this to all can't wait for the power to go out so I can watch the TV and not have to listen to the roar of the generator I ha before I purchased the Generac brand. This unit is lightweight and user friendly just turn the gas on and plug the cord(s) in and you are ready for a quiet and peaceful tailgate at your favorite teams campus. November 10, 2012
Rated 2.0 out of 5.0 by limited use Fired this generator up at home and ran a tank of fuel through it.It ran fine.Took it up north (where it was to be used )and couldn't keep it running.If it won't run at 6,000 or higher,it is of little use to me. June 10, 2013
2 >>


Standard Shipping includes delivery by small parcel service. Processing time varies by product.

If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.