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The Generac gp8000e - 8000 watt electric start portable generator has been discontinued and is not available for purchase at this time.

Generac GP8000E - 8000 Watt Electric Start Portable Generator

(Based on expert analysis, manufacturer ratings and customer reviews)
4.3 out of 54.3 out of 54.3 out of 54.3 out of 54.3 out of 5
20 Reviews
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(as of 06:07 CST - Details)
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  • Features
  • Specs
  • 7
  • 20
  • Articles
  • Accessories

Run Watts
Rated Watts
Surge Watts
Starting Watts

Product Video Disclaimer: "PED is not responsible for any variances from the product in this video and the item you purchase. Please review all product specs prior to purchase."

Portable Emergency Generator
Ideal for restoring power during a power outage

Electric Start
Start the generator with the press of a button (battery included)

Generac OHVI« Engine
Full pressure oil lubrication system w/spin-on oil filter
OHVI = Overhead Valve Industrial engine design for long life

Low Oil Pressure Safety Shutdown
Protects the engine and generator from lack of lubrication

Steel Gas Tank w/ Fuel Gauge
Durable gas tank with offset filler tube to minimize spillage

Heavy-Duty Cradle
1-1/4" diameter hardened steel frame to protects from damage

Portability Kit
Oversized wheels with Never-flat technology
Heavy-duty fold-down handles that lock

Hour Meter
Built-in resets remind you of scheduled maintenance

Low Tone Muffler
Minimizes noise levels and maintains neighborhood sanity
  Model Number:5681
 Brand:Generac OHVI
 Starting System:12-Volt Button Start w/ Recoil
 HP/CC:410 cc
 Consumer Engine Warranty:2 Years
 Commercial Engine Warranty:1 Year
 Engine RPM:3600 RPM
 Low Oil Alert/Shutdown:Yes
 Cast Iron Sleeve:Yes
Product Specs
 Voltage120/240 Single-Phase
 Frequency:60 Hertz
 Auto Voltage Regulation:Yes
 Fuel TypeGasoline
 Rated Amps:33 Amps @ 240 Volts (Single Phase)
 Portability Kit:NeverFlat
 Tank Size:8 Gallons
 Run Time (50% Load):8 Hours
 Fuel Tank Material:Metal
 Fuel Gauge:Yes
 Decibel Rating @ 7m:Not Measured by Manufacturer 
 Idle Control:No
 Hour Meter:Yes
 Voltage Meter:No
 Lifting Eye:No
 Weight:205 Lbs. (92.99 kilograms)
 Dimensions:33.5L x 26.5W x 27.5H
(85.09 x 67.31 x 69.85 cm)
 Consumer Warranty:2 Years
 Commercial Warranty:1 Year
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NEMA 5-20R (Wall-Type)
NEMA 5-20R (Wall-Type)

NEMA L14-30R
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How To Library
  7 Questions
Q: I am look for Generator that as at least 6500 w with a db(A) of 65 or less.
by Carl Chmielewski from North Carolina on May 06, 2011

A: Hi Carl,
The only machine that we offer that meets your needs is the Honda EU6500Is. $3799 is the cost on this model. If you would like to know more, please see the following page or call us -

thank you -
by Mike, Product Expert

Q: Do you have any payment plans?
by Sheri Wilkinson from Alabama on May 05, 2011

A: Hi Sheri,
We do offer Bill Me Later as payment option. For qualifying items there is a 6 month payment period where no interest is charged if the total bill is paid in full at the end of the term. You can read more by clicking on the "special services" tab on the bottom of our web page, then selecting BILL ME LATER.

by Mike, Product Expert

Q: I own a GP8000E. Which cover should I purchase?
by Ron from Michigan on March 02, 2011

A: The Classic Accessories Large Generator Cover fits very good over the Generac GP8000E portable generator.
by Mike, Product Expert

Q: Jim: I want to buy a protective cover for my Generac 5623 6500W portable generator (33.5" x 26.5" x 27.5"). Any recommendations for a cover that will fit this model of generator?
by John G. Smith from Maryland on February 27, 2011

A: The Classic Accessories Large Cover will fit up to 8000 watts. We have tested these covers on all of the Generac GP model generators and other manufacturers.

Note: It is important to not include the wheels when measuring the width as the generator covers are not meant to cover them.

Large Cover

by Mike, Product Expert

Q: What is the difference between the generac 5747 and the generac 5681 besides the price? Also what is max kw and running kw on both. thanks need answer before ordering.
by John Maurer from Illinois on February 19, 2011

A: In regards to your question, the XG8000E (5747) is designed mainly for construction site use but can be used in residential applications. The GP8000E (5681) is designed for the homeowner. Both models have the exact same engine and alternator with the only difference being the frame construction and the looks. Both units offer 8,000 watts running and 10,000 watts surge capacity.

A higher rated generator will operate comfortably at approximately 80% of its full capacity and will provide a margin of flexibility if the load increases in the future.
Note: A certified electrician should be consulted for proper sizing and installation of any generator.

by Mike, Product Expert

Q: Where do I go to get a new battery?
by Diane Yellen from New York on January 21, 2011

A: You will need to visit a local Generac dealer who can supply you with the battery you require. You can find a local dealer from the following link:

Dealer List

by Mike, Product Expert

Q: How does this generator start in cold weather with the electric start? What is the difference between OHV engine & Generac's OHVI engine?
by Daryl Hammond from Ohio on January 17, 2011

A: Portable generators are normally stored inside and the B&S 30471 comes with a float style battery charger which is plugged into the generator when not in use. This allows the generator battery to have a sufficient charge when the generator is needed to start.

An OHV (Overhead Valve) engine is compact designed and generally makes the unit operate quieter. The Generac OHVI (Overhead Valve Industrial) engine is built robustly with premium power and high performance and comes with a fully pressurized oil lubrication system and spin-on filter.
by Mike, Product Expert

Generac 5681 Reviews & Ratings
20 Reviews  Sort by 
Goffstown, NH
5 out of 55 out of 55 out of 55 out of 55 out of 5
Awesome Generator
Bought this generator 2 yrs ago because of multiple extended power outages. Just experienced a power outage that lasted 4 days and this generator ran flawlessly. Generator is hooked up to breaker panel by an electrician with a breaker-interlock-switch so I have use of my whole panel.

Generator was able to handle my whole house (2400 sq ft). Ran my well pump, gas water heater, gas furnace, gas dryer, gas stove, and multilple lights,outlets etc. Did loads of laundry and dishwasher loads.... more
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Troy, NY
Purchased from Electric Generators Direct
Purchased 9/25/10
Total Reviews
3 Reviews
Total Helpful Votes
20 Helpful Votes
5 out of 55 out of 55 out of 55 out of 55 out of 5
Gp8000e Generator
I purchased it from ElectricGeneratorsDirect around Oct 16 2010 and it was drop shipped within 3 days. It has an issue with the gas gauge. It does not register the existence of gas in the tank but there are no leak issues. The battery and electric start work well. The unit starts easily with the rope as well.

I placed a wall timer to feed a charge to the battery through the supplied charger for one hour per day. I have used it twice for two outages I've experienced for two hours per outage... more
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Mike Provo
Woburn, MA
Purchased from Electric Generators Direct
Purchased 11/9/10
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Quality Really Made In U.s.
I am very happy with everything about this generator. I bought it about 3 months ago from Generators Direct here. Shipping was great. Assembly was easy. It starts really easy on one or two pulls max. Also the electric start works great.

Battery was even charged when I got it, so no problems. Construction is very sturdy. I've got about 10 hours on it, just testing it out and it works as advertised. I feel good helping support American workers, and product is great.

Idles like a... more
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John P
Springfield, OH
Purchased from Electric Generators Direct
Purchased 8/5/10
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Generator, Great Price & Great Company
I bought this generator in August 2010 to protect against power outages. In 2009 we were without electricity for over 100 hours. With a business being run from my home, I can't afford to be "out of business" for that long of a period. After receiving this generator, had an electrician wire a transfer switch for the house. Ran this generator about 10 minutes every month since I have had it. Always started right up and ran very well.

During the "Storm of the Century"... more
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Redfield, AR
5 out of 55 out of 55 out of 55 out of 55 out of 5
My Second Generac
This generator replaced a ten year old 5k Generac that still works great but it's old and has provided me with many hours of electricity.

When I picked up the new generator at the shippers dock there was no pallet under the generator and the bottom was pretty much in tatters but the generator was no worse for wear minus a bit of missing paint on the bottom.

The only assembly required was installing the handles, front bumper and the wheels and that only took about fifteen minutes.
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Brooke Anderson
Redmond, WA
Purchased from Electric Generators Direct
Purchased 11/24/10
4 out of 54 out of 54 out of 54 out of 54 out of 5
I Would Buy It Again. Very Happy.
My Generac GP8000E runs my furnace blower (for 3600 sq ft house), refrigerator, 240V 2 HP lifter pump (sump for pumping sewage up to sewer line), and many lights all at the same time, with no problem with the starting current of those devices, even on the lifter pump. I'm very happy with that.

It's compact, easy to maneuver around on the wheels, runs well, and looks very well built. Noise is about like a gas lawn mower, and it was about as easy to start with the pull cord as a lawn mower... more
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Frank Milligan
Hoagland, IN
Purchased from Electric Generators Direct
Purchased 9/1/10
4 out of 54 out of 54 out of 54 out of 54 out of 5
Pretty Good Generator
My only disappointment was that the battery was dead when I got the generator.

It started fairly easily with the rope once I got gas in the carburetor, but then I had to find a dealer to get a new battery from (which Generators Direct did reimburse me for).

I had to use this generator during a recent power outage and it worked perfectly and held a very steady 120 volts
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John Pursel
Bremerton, WA
Purchased from Electric Generators Direct
Purchased 8/16/10
Total Reviews
2 Reviews
5 out of 55 out of 55 out of 55 out of 55 out of 5
Gp8000e Performance- Very Pleased
When the generator arrived, I ran it a few hours for break in, then with the "assistance" of an electrician friend, we shut down the power, started up the generator (always started right away with the electric start), hooked it into the power panel and started to throw switches.

It easily ran everything (excepting heat pump, dryer, and stove) and we turned on lots of lights, TV, etc. Even cycled the microwave just to see what it would handle.

One confusing factor was the... more
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Dickinson, TX
5 out of 55 out of 55 out of 55 out of 55 out of 5
Back-up Power For Hurricanes
Wanted enough power to run an aquarium, refrigerator, TV, computer, lights, a fan and a room AC. I think this will work.

I was a little concerned about ordering online and shipping, but no one in the area handled the unit I wanted.

This has been a great experience. Easy to order, delivered to my driveway in about a week and arrived in perfect condition.

Following instructions, very easy set-up and start-up. Unit looks top quality in every way (I like that it has a steel gas tank)... more
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Randy Denney
Tombstone, AZ
Purchased from Electric Generators Direct
Purchased 7/14/10
5 out of 55 out of 55 out of 55 out of 55 out of 5
A Gem!
Took a while to receive as the delivery company was an interline carrier and my phone number did not make it through the billing process.

But once received, I pulled it out of the box, set it up, put oil in it, and it fired on the first pull and started on the second.

I have used it a couple of times so far constructing our new home. No issues, works fine, a gem!
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Harvey Prochnau
Hamilton, MI
Purchased from Electric Generators Direct
Purchased 7/9/10
5 out of 55 out of 55 out of 55 out of 55 out of 5
Highly Recommend Product And Egd
I was talked into buying a Generac generator by conversing with a sales representative at a big box store.

Your price was $50 better and you didn't charge me shipping. The item was delivered right to my shop with lift-gate service.

I did the test run on it last week and it works like it's supposed to. Highly recommend this product and this distributor to others. Delivery was 3 days after purchase.
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Shop for the Generac GP8000E - 8000 Watt Electric Start Portable Generator at Electric Generators Direct. Research Generac 696471056815 portable generators online. Find Generac 5681 portable generators & GP 8000 E Portable Generator features and specifications.