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Generac GP8000E - Spec Review

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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Generac GP8000EGenerac GP8000EGenerac GP8000E
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Price history for the Generac GP8000E
Latest updates:
  • $1,069.00 - November 11, 2021
  • $999.00 - August 23, 2021
Data source: northerntool.com
Since: August 23, 2021
  • Highest Price: $1,069.00 - November 11, 2021
  • Lowest Price: $999.00 - August 23, 2021

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 in need of an emergency backup power for their essentials
  • Professionals who want to ensure that a power failure will not prevent them from working

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 is powered by a 420 cc Generac OHV 4-stroke engine. It delivers 120/240V, runs on gasoline and offers a running wattage of 8000W as well as a peak wattage of 10000W.

This generator features a conventional pull-start mechanism and also a convenient and easy-to-use electric starter (battery included).

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

The powering of sensitive electronic devices with the GP8000E is not recommended due to its relatively high THD (<20%).

Outlets

The control panel provides the upcoming 5 AC outlets:

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

Since the GP8000E bears a twist-lock L14-30R receptacle, it is transfer switch ready: it is easily connectible to a breaker box and can power your home in case of a power outage.

Portability

With its dimensions of L27.2 x W27 x H26.5 in, the conventional, open frame design of the Generac GP8000E offers stability and allows the generator to be raised above ground level. The design is ideal for rough environments and demanding outdoor use.

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. Nevertheless, it can still be moved quite conveniently with the help of its wheel kit (⌀9.5") and its folding handle, once it is placed on the ground.

Features

Panel of the Generac GP8000E

The GP8000E's control panel

To help you monitor the GP8000E's status and activity, its control panel is equipped with a digital data center, giving you information on the lifetime run hours.

Thanks to a built-in fuel gauge, the generator allows you to quickly, conveniently and easily check the gas level at a glance.

As for its security measures, the device features an overload protection (circuit breaker) and an automatic low oil shut-off, 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).

  • Regarding its weight, the Generac GP8000E only weighs in at 198 pounds, which means it's one of the lighter generators in the 7500-8500 rated wattage range. If weight matters to you, one of the champions in this power range is the Dewalt DXGNR8000 with only 183 pounds.
  • With a run time of around 11 hours at 50% load, the GP8000E has one of the higher run times, compared to its similarly powerful peers. 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.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. Standing at an estimated 0.72 GPH (gallon per hour) at a 50% load, this generator is somewhat average in this area compared to other devices, within the aforementioned wattage range. If you wish to acquire one of the most gasoline efficient products of this power range, the Pulsar PG10000B16, with a fuel consumption of 0.55 GPH could be in your good books.

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 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%
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil, battery, and wheel kit
Warranty3 years
Other model numbers7686

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 generator sizer.
ItemRunning WattsStarting Watts
At homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Electric range21002100
Hair dryer18001900
Slow cooker270270
Radio100100
Total6387 W7862 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
RV AC (11,000 BTU)10101600
Blender400850
Set of 5 LED light bulbs5555
Total6395 W6985 W
For workTable saw18004500
Air compressor (1 hp)16006100
Grinder14002500
Drill600900
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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