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Generac GP8000E - 8000/10000W Portable Generator

The Generac GP8000E (7686) is a portable open frame generator with a rated wattage of 8000 W and a starting wattage of 10000 W.

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Description

Zoom on the Generac GP8000E

In summary, the Generac GP8000E is a portable generator especially useful for:

  • Food van owners who know that just a short power outage could lose them hundreds of dollars
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Professionals in need of safely powering high-intensity work or lighting equipment

The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from, and any relevant emission compliance details.

Power & Run Time

The Generac GP8000E houses a 420 cc Generac OHV 4-stroke engine, which provides 120/240V, consumes gasoline and delivers a running wattage of 8000W along with a peak wattage of 10000W.

This generator can be started thanks to a conventional pull-start mechanism, but also to a convenient and easy-to-use electric starter (battery included).

With a full tank, the GP8000E can operate for around 11 hours at 50% load (fuel consumption around 0.72 GPH), thanks to its fuel capacity of 7.9 gallons.

The quite high THD (<20%) of the GP8000E makes it unsuitable for powering sensitive electronic devices.

Outlets

The control panel features the upcoming 5 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120/240V 30A (L14-30R) receptacle

Due to the featured twist-lock L14-30R receptacle, the GP8000E is transfer switch ready: you may connect it to a breaker box to power your household during a power outage.

Portability

The Generac GP8000E has the following dimensions: L27.2 x W27 x H26.5 in. In combination with its conventional, open frame design, they provide support and allow the generator to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.

While the generator is considered to be technically 'portable' (in the sense that you can move it), manually lifting and transporting it may be challenging, due to its high weight of 198 lbs. However, its challenging mobility is solved by its wheel kit (⌀9.5") and its folding handle, which will ease its displacement, once it is on the floor.

Features

Panel of the Generac GP8000E

The GP8000E's control panel

The control panel of the GP8000E includes a digital data center, which assists you in monitoring its status and activity, as it provides information on the lifetime run hours.

The generator allows for a quick, easy and convenient assessment of its gas level, as it is equipped with a built-in fuel gauge.

As for its security measures, the device features an automatic low oil shut-off and an overload protection (circuit breaker), letting you use it with a peace of mind.

Besides the usual set of documentation and owner's manual (opens in a new tab) to get you promptly started, Generac also included some oil in the GP8000E's packaging.

Emissions

The Generac GP8000E is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor, making it usable in forested areas.

The Generac GP8000E versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Generac GP8000E compare to generators of similar power (between 7500 and 8500 W).

  • Weight-wise, the Generac GP8000E has only 198 lbs, which renders it one of the lighter generators which produce 7500 to 8500 rated watts. In terms of weight, one of the champions in their power range is the Dewalt DXGNR8000, standing at just 183 lbs.
  • Thanks to an impressive running time of around 11 hours at 50% load, the GP8000E benefits from a higher run time than many generators of a similar output. If you consider autonomy on a single full tank as one of the deciding factors, one of the generators in the same power range that offers the highest run time is the Champion 100416, with around 12.5 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. This generator has an average fuel consumption among comparably powerful devices, as it reaches 0.72 GPH (gallon per hour) at a 50% load. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.55 GPH, the Pulsar PG10000B16 is a device you could look out for.

Here's a list of the most popular specific comparisons:

Price comparison

As you can see from this interactive chart, when compared to other 7500-8500W generators, the Generac GP8000E is on the average side of the price range.

Therefore, this generator nicely fits in the expected budget for this kind of product.

The bottom line

STRENGTHS:
  • In the expected price range
  • GFCI Outlets
  • Electric start
  • Lightweight for its kind (198 lbs)
  • High run time
AVERAGE SPECS:
  • Decent fuel efficiency
WEAKNESSES:
  • No 50-amp output
  • No remote start
  • Not CARB-compliant

Do you own the Generac GP8000E and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine420 cc Generac OHV 4-stroke
Starting systemRecoil, Electric
Power
VoltageAC: 120/240V 60 Hz
Running watts8000 W
Starting watts10000 W
Running amps (@120/240V)66.7/33.3 amps
Peak amps (@120/240V)83.3/41.7 amps
Run time @50% load11 h
Run time @25% loadUnknown
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 30A (L14-30R)
DC outletsNo
Data centerLifetime run hours
IndicatorsNo
Fuel tankSteel, 7.9 gal
Fuel gaugeYes
Misc
Weight198 lbs
Approx. dimensions (L x W x H)27.2 x 27 x 26.5 in
Noise (lower limit)Unknown
THD< 20%
ComplianceEPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil, battery, and wheel kit
Warranty3 years
Other model numbers7686
UPC696471074598

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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About Generac

Generac Power Systems is an American based generator and power equipment manufacturer, founded in 1959. As its name suggests, the main focus of Generac are power generators, and other related electric equipment, such as switches, paralleling systems and small engines. The company has several manufacturing facilities based in the US, thus, their products are made in the USA. However, the company provides no information about the origin of their components.

Warranty Information

The Generac GP8000E is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Generac generators, please consult Generac's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-888-GENERAC (888-436-3722).

Questions & Answers

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our wattage calculator.
ItemRunning WattsStarting Watts
At homeMicrowave (1000 watts)15001500
Electric fry pan15001500
Dish washer15003000
AC (10,000 BTU)15002200
Refrigerator (energy star)1921192
Mixer200200
Total6392 W7892 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Microwave (1000 watts)15001500
Satelite receiver250250
Total6390 W6980 W
For workTable saw18004500
Air compressor (1 hp)16006100
Grinder14002500
Paint sprayer600600
Bug zapper8080
Total5480 W9980 W
What is the noise rating of the GP8000E?

Due to the lack of standardization in noise emission measurement, Generac does not provide their units' noise levels.

What grade fuel for 8000 watt generator (Asked November 11, 2021)

Gasoline should be clean, fresh, and unleaded with a minimum octane rating of 87.

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