Generac XG8000E Review Electric Start Portable Generator

It might be tempting to attempt to use as many watts from an emergency generator as possible, but doing so could trip the circuit breaker. The PowerBar, a unique power meter found on the Generac Power Systems XG8000E Generator, warns when the generator is about to reach its maximum. A portable generator for home usage with 8000W of power is the Generac 5847 XG8000E.

Generac has been producing standby generators for residential use since 1959. These generators are powered by engines made especially for them. A wide range of generators for home, commercial, and industrial consumers are produced by Generac, which is recognized today for its generators. For house owners to utilize as a source of backup power for their residences, they make the XG8000E generator.

This generator’s OHVI Generac engine, created exclusively for generators with long service life, gives it a consistent power quality. I’m sure that you may use it as a portable generator anywhere you need electricity, such as for tailgating parties, camping, festivals, and job sites. In this article, I’ll discuss the features of the Generac generator, the pros and cons, and many more. So if you’re ready, let’s get started!

Generac XG8000E 8000 Watt Portable Generator Review

In addition to many of the standard features available in portable generators, the Generac XG8000E also has a few extra features that I believe you will appreciate (I will get to those in a second). The next time a power outage occurs in your neighborhood, purchasing this generator will save you a lot of hassle. Let us go into the specifics to determine if this generator is the perfect choice for you.

When a 10,000-watt generator is too large, and a small-size portable generator is not strong enough, Generac’s XG8000E offers an excellent middle ground. This reliable generator would be a contractor’s incredible friend or a great backup power source for a home.


Brand Generac
Wattage 8000 watt
Dimension 31.5 x 25.5 x 28 inches
Voltage 120/240
Color Black/orange
Weight 250 lbs
Type Power Generato2r


A Generac 410 cc OHVI engine, which is included with the Generac 5847 XG8000E gas-powered portable generator, enables it to continuously generate 8000 watts of electricity while also having a surge capacity of 10000 watts.

A single phase, 60 Hz electrical output at 3600 rpm. The battery for this model is a 12VDC 10Ah one, and it features an electronic start. You must manually connect a battery charger input to a special connector to use the generator to directly charge the battery because it does not charge when the generator is operating. In contrast to previous engines that use spray lubrication, this one works at a standard 3600 RPM and employs full-pressure lubrication. It also has an oil filter.

For operating temperature conditions over 40°F, pure 30W oil is advised. Synthetic oil and a 10W-30 down to 10°F are suggested below 40 degrees. When the oil level drops, the engine shuts off and waits to restart so that the oil pressure may increase.

The hour meter on this model also features a message that will let you know whenever the oil should be changed. This message appears an hour before and an hour after the predetermined time period.

Generac XG8000E 8000 Watt Portable Generator Review

Fuel Quality

Gasoline is used to power the portable Generac 5847 XG8000E generator. It features a large gasoline tank with up to 9 gallons of capacity. At 50% load, this generator can operate for up to ten hours on a single fuel tank.

E85, Methanol, or gas containing more than 10% ethanol should not be utilized, according to Generac. They advise against premium grade gasoline and suggest using a standard unleaded fuel instead.


The Generac 5847 XG8000E portable generator with Electric Start has a list price of more than $1700.00, yet it is frequently offered on Amazon for less with free delivery. You will likely want to purchase a few accessories for your Generac 5847 XG8000E portable generator. You may purchase a generator cover to shield it from the elements when it’s not in use.

Black, large Generator Cover, Classic Accessories 79537 Additionally, a safety canopy that covers the generator while running helps protect it from snow and rain.

Wen 4750 Generator quality and durability

WEN inverter generators are excellent, dependable, and reasonably priced. They are ideal for camping, barbecuing, other recreational activities, and emergency electricity. An inverter generator is an excellent backup power source in case of storm, wildfire, cyclone, or other manufactured or natural calamity.

The ultra-efficient 2.2-gallon tank delivers over 8.5 hrs of half-load run time, and the compact size, built-in wheels, and folded handle make for easy mobility.

  • It is a robust and dependable generator with a steady power output of 8000 watts and a surge capacity of 10000 watts.
  • It has a recoil start system in addition to an electric start system.
  • It can operate on 9 gallons of fuel for up to 10 hours.
  • You can check the power utilization thanks to the Power meter it includes.
  • It features a resetting hour meter that tells you how many hours have passed and when the generator needs to be serviced.
  • It has an engine-protecting automatic low oil shutoff.
  • With never-flat tires and a folding handle, it is simple to move.
  • It is unclear what the warranty covers.
  • Response times from Generac service assistance are lengthy.
  • We need an external charger connector to recharge the battery because it lacks a seamless battery charging method.



What Will 8000-watt Generator Run?

You need to know the items your 8,000-watt generator can power before you dash to your garage and connect it to your electrical grid. Although this big generator can handle a lot, you should manage your electricity use to avoid the possibility of overloading it. The equipment may get damaged and catch fire if the generator is overloaded.

Your fridge, oven, coffee machine, television, lamps, and even your range may all be powered by an 8,000-watt generator. An 8,000-watt generator will have enough power to run almost every appliance in your house, so if you control the load correctly, you could use it as a whole house generator.

Why Should You Need To Buy Generac XG800E Generator?

One of the more powerful generators is the Generac 5846 XG8000E 8,000 Watt OHVI Gas Powered Portable Generator. With its effective OHVI engine and CARB compliance, it can run for roughly 10 hours on just 9 gallons of fuel.

The PowerBar and hour meter on the control panel allow you to monitor your energy consumption closely. Although the generator is somewhat hefty, its heavy-duty wheels make moving it much simpler. Because of its unique feature, you need to buy this generator.

Generac XG8000E Review – FAQs

Are Generac generators a good brand?
Yes! Users view Generac as the most reputable and well-liked brand regarding generators. Since it was founded in 1959, the business has earned a reputation for making reliable emergency power generation systems for commercial and domestic use. With an estimated 75% market share, Generac Generators is the leading residential generator manufacturer. The output of a Generac generator can be anywhere between 800 and 9 megawatts. They also have industrial generators that offer energy solutions to hospitals, data centers, schools, petrol stations, supermarkets, hotels, and restaurants. Water pumps and pressure washers are some of Generac’s additional offerings.
Are Generac generators reliable?
According to surveys, the typical standby generator system on the market has a reliability rate of about 98%. This level of generator dependability, in the opinion of Generac Power Systems, is unacceptable. Generac has made it a goal to build standby generators that are more reliable than the industry average. Through superior product design, Generac has overcome the following major reliability challenges.
Are Generac engines any good?
Most likely, if you’ve been looking for a generator, you’ve heard of Generac Power Systems. One of the most well-known generator manufacturers, Generac, provides generators of all capacities to meet various requirements. Generac engines are incredibly good. Due to its reputation for supplying electricity in a variety of circumstances, its brand may be found on commercial generators almost everywhere. It is among the most well-known names in the generator sector and provides generators of all capacities to meet various purposes.


Our Verdict

The Generac 5847 XG8000E portable generator is extremely dependable and is driven by an engine designed specifically for heavy-duty generation, the Generac OHVI. The constant output of this generator is 8000 watts, while its peak output is 10000 watts.

With a 50% load, it has reasonable fuel efficiency and can run for ten hours on a single tank of petrol. It is an excellent source of backup power for your house and is capable of meeting the majority of your electrical requirements during power outages.

It may be utilized anywhere electrical power is needed because it is portable. You may bring it to your lodge or special occasions and use it securely there to power electrical appliances, as well as at your job site to operate power tools. Given that it is quite loud, you should keep it away from crowded areas or protect it to lower the noise level.

Although it is heavier and more clumsy than the smaller versions, which may be more suited for your purposes, you may also bring it in your RV to power your equipment.

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