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Smarter Tools

Model # STGP-6500

Internet # 203425016

GP-6500 5,500-Watt Continuous Gasoline Powered Portable Generator

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

$599.99 /each



Model # STGP-6500

Internet # 203425016

Don't be without power. The Smarter Tools 6,500-Watt Gasoline Generator is a hardworking, dependable generator that adds comfort and possibility to any situation. This generator offers four 120-Volt 20A outlets, a 120/240-Volt 30A Twist-lock AC outlet (NEMA# L14-30R), a 120V 30A Twist-lock AC outlet (NEMA # L5-30R), and one 12-Volt 8A DC outlet for convenient connectivity. The powerful 11-HP 4-stroke/air cooled OHV engine runs smoothly and quietly on unleaded gasoline while providing dependable power when you need it the most. Use it for emergencies, job sites and off the grid locations where you need electricity. EPA and CARB approved.

California residents: see  Proposition 65 information

  • 6500 starting Watts, 5500 continuous Watts, easily run your refrigerator, well pump, microwave, heater blower and lights
  • 11 hours at 50% load on 6.2-gal. of gasoline-spend less time refueling
  • 338 4-stroke air cooled OHV motor, plenty of strength to produce the power you need
  • 4 120-Volt 20A outlets, a 120/240-Volt (NEMA L14-30R) 30A twist-lock outlet, a 120-Volt 30A twist-lock outlet (NEMA L5-30R), and (1) 12-Volt 8A DC-multiple options for providing power
  • Overload protection-protects the generator and your appliances
  • 72 dB noise level quiet operation
  • Low oil shutdown-prolongs the life of the generator
  • Volt meter-assuring correct voltage for your appliances
  • Hour meter-keeps track of runtime for scheduled maintenance
  • Fuel gauge-easily know when you need to add fuel
  • No-flat wheels and handle kit-easy portability
  • EPA and CARB approved
  • Click on the “more info” tab to download the specifications PDF to view the wattage requirement guide
  • Home Depot Protection Plan:

    Home Depot Protection Plan

Info & Guides

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Product Depth (in.) 
Product Height (in.) 
Product Length (in.) 
Product Width (in.) 
Built-in inverter 
CA (CARB) Compliant 
CARB Compliant 
Continuous Wattage 
Engine Displacement (cc) 
Engine Make 
OEM Branded 
Engine manufacturer 
Smarter Tools 
Fuel tank capacity (gallons) 
Fuel type 
Full load fuel consumption (gallons/hour) 
Generator Features 
Automatic Voltage Regulation,Fuel Gauge,Low Oil Shutdown,Wheel Kit 
Horsepower (hp) 
11 hp 
Number of circuits/outlets 
Operational volume (dB) 
Osha Required GFCI Outlets 
Peak Wattage 
Product Weight (lb.) 
167 lb 
Run time at 50% load (hours/tank) 
Voltage (volts) 
Wheel Kit Included 
Warranty / Certifications
Certifications and Listings 
No Certifications or Listings 
Manufacturer Warranty 
2 Year Limited Warranty 


Rated 4.4 out of 5 by 65 reviewers.
Rated 4.0 out of 5.0 by Easy set up instructions, started right up. Great! Easy to put together. Just a couple parts, handles tires, etc. and it started right up! Runs nice and smooth--no "hunting" when under light loads. I spent a little bit of time looking at the engine size (cc), run time, peak load, features (like a case iron sleeve), and price. I emailed the smarter tools folks with a question prior to purchasing and was delighted to get a real person and prompt response. I then settled on the Smarter Tools unit. I only gave it 4 stars because Ive only had it for 3 months. November 19, 2013
Rated 5.0 out of 5.0 by Helped us battle Sandy We were already out of power for 36 hours when I found out that the Downingtown Home Dept had received a shipment of 170 of these (no one else in a 50 mile radius had any generators). Got it home, took it out of the box, added the wheels, added oil, and then gas...and to my surprise it started on the first pull! My luck is always bad, so I figured it wouldn't work at all. I was able to run 2 fridges, 1 stand up freezer, a hot water tank, a 47 inch widescreen TV, DVD player, and a number of lights without any problems what-so ever. I have recommended this to friends and neighbors. November 2, 2012
Rated 5.0 out of 5.0 by Plenty of power, easy to start, and easy to maneuver. Easy to start, easy to maneuver, plenty of power. I only found one drawback and that like most lower priced generators it's on the noisy side. But I knew that going in.. June 24, 2015
Rated 5.0 out of 5.0 by A lot of features for a great price. I got one of these last week. I pulled it out of the box, added oil and gas, and it fired right up on the first couple of pulls. It has plenty of features that are not available on generator in this price range. I've hooked up a few items around the house (heater, refrigerator, window AC unit) and it handled them all without fail. I am confident that this unit will do the job when I need it. July 29, 2012
Rated 5.0 out of 5.0 by More than satisfied Started on second pull...Easy set up...Not as loud as other generators. December 25, 2013
Rated 5.0 out of 5.0 by This generator passed a rigid test durnig Hurricane Sandy This generator was used continuously for over 140 hours during Hurricane Sandy. We were out of power for 13 days with only recommended oil changes performed on this generator. Initially this generator was purchased to operate my sump pump only but it powered many appliances including our furnace during this outage. Kudos to Smarter Tools for manufacturing such a durable product. I now simply start it monthly to keep it ready for the next storm. September 19, 2013
Rated 5.0 out of 5.0 by Portable Generator This is my first generator that I have used or bought! I did alot of research before I made my purchase, I looked at a lot of different brands of generators and sizes. I was going to get a Generac, but the reviews that I read had a lot of negatives regarding the portable generators. So, my parents have a Powermate brand generator and it works really well, but I felt it was made a little cheap, but it works for what they needed for and I have a 4100 sqft home, so I know I had to get something that was going to accomadate my home. The reason that I did decide to purchase a portable generator is I have two small kids at home and wanted to make sure that they have heat and water and lights. I bought the Smarter Tools GP6500 generator after reading great reviews by other customers, and it was very inexpensive, but has high qaulity add-ons, that you find on your higher priced models! This is a well built machine and what I find amazing is that it starts on the first pull and is very quite about 72dba! I have not used it in a blackout situation yet, but I feel very comfortable that it will do the job without a hitch! I had a manual transfer switch install in my home and have hooked the generator up to it for a test and it runs my furnace blower, hot water hearter, sump pump, well pump, refrig, Family room and lights, cable, 50 inch flat screen, 42 inch flat screen, master bed and bath and walk in closet, both kids rooms and bathroom, bonus room, without a hitch.. and it also powers a 8000 watt portable A/C unit as well. I also ordered from Home Depot a 100ft power cord for my generator and the generator sits about 75 feet from my home and purchased a gentent, so that I don't have to worry about the outlets getting wet or the generator getting damaged. So, again very quite generator with lots of power! I defintely recommend this generator to others looking for a great buy, as well as a generator with awesom power and a well built american generator! So, go and pick one up! shipping is free and they get it to you fast and they delivered it right to my garage! Easy set up and they provide you with the oil! Put on the tires and handles 10 minutes add the oil and gas and it fires up on the first pull! Awesome Generator!! Go and pick this up today, I totally recommend this to everyone who is looking for a backup home generator! July 1, 2014
Rated 5.0 out of 5.0 by Excellent generator for the money. . Easy to assemble, Started right up on third pull. After that starts on first or second pull. Fairly quiet. Wish it had an electric starter. Great value. November 4, 2013
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Curbside Truck Shipping (By Appointment) includes delivery to receiving area/dock for businesses or curbside for residential orders. The carrier will contact you to make a delivery appointment with a 4 hour window once the items have arrived at the local hub in your area. Delivery appointments are required.

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