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Description
Zoom on the Generac XT8500EFI
In summary, the Generac XT8500EFI is a powerful portable generator especially useful for professionals in need of safely powering high-intensity work or lighting equipment.
In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed, including its emission compliance information.
Power & Run Time
The Generac XT8500EFI is powered by a 459 cc Generac OHV 4-stroke engine. It delivers 120/240V, runs on gasoline and offers a running wattage of 8500W as well as a peak wattage of 10000W.
This generator can be started thanks to a simple traditional pull-start mechanism, but also to a simple and elegant electric starter (battery included).
The Electronic Fuel Injection (EFI) system enhances the engine's reliability, lowers fuel consumption, improves startup, reduces servicing, boosts stale fuel resistance, and offers better altitude adaptability.
The fuel capacity of 8 gallons allows the XT8500EFI to operate for around 9 hours at 50% load with a full tank (fuel consumption around 0.89 GPH).
As the XT8500EFI produces a clean sine wave, with a <5% Total Harmonic Disruption (THD), sensitive electronics may be plugged in the AC outlets safely.
Outlets
The control panel features the upcoming 5 AC outlets:
Because the XT8500EFI is equipped with a twist-lock L14-30R receptacle, it is transfer switch ready: it can power your home during a power outage, as it can be easily connected to your breaker box to power your household.
Portability
With its dimensions of L31.4 x W20.5 x H26.5 in, the conventional, open frame design of the Generac XT8500EFI offers stability and allows the generator to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.
As the generator's weight is 214 pounds, manually moving it or transporting it may be challenging, despite the fact that it is technically considered 'portable' (movable). However, this lack of maneuverability is compensated by its wheel kit (⌀9.5") and its folding handle, with which you can conveniently shift it, once it's on the ground.
Features
The XT8500EFI's control panel
One of the many XT8500EFI's features is the data center, included in its control panel, which conveniently provides information on the lifetime run hours and thus, helps you monitor its activity and status.
Thanks to a built-in fuel gauge, the generator allows you to quickly, conveniently and easily check the gas level at a glance.
From a security standpoint, the product offers an automatic low oil shut-off and an overload protection (circuit breaker), allowing you to use it with a peace of mind.
The XT8500EFI also benefits from Generac’s COsense® carbon monoxide monitoring. This technology senses and manages CO output and shuts down the unit when necessary, to minitgate CO poisoning. It’s a welcomed additional security feature, but don’t forget to always take your generator outside (opens in a new tab).
With the basic documentation and an owner's manual (opens in a new tab), letting you start the generator quickly, the Generac XT8500EFI also comes with several accessories, including: battery charger, oil and funnel.
Emissions
The Generac XT8500EFI is EPA-approved and CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.
Moreover, it features a spark arrestor and thus, may be used in forested areas.
The Generac XT8500EFI versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Generac XT8500EFI compare to generators of similar power (between 8000 and 9000 W).
- At a weight of 214 pounds, the Generac XT8500EFI places in the expected weight range of the generators in the 8000-9000 rated wattage range. If weight is your top priority, one of the champions in this power category is the Dewalt DXGNR8000, weighing just 183 pounds.
- As far as autonomy is concerned, providing around 9 hours of runtime with a full tank at a 50% load, the XT8500EFI falls into the low end in comparison with other devices of a comparable power output. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Champion 100416, as it provides around 12.5 hours.
- Autonomy holds its importance, however, it is largely dependent on the generator’s fuel capacity and so, it is nonsensible to discuss it without mentioning fuel efficiency as well. This generator is not fuel efficient compared to devices of similar output: its estimated fuel consumption stands at 0.89 GPH at a 50% load. 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.
Price comparison
As you can see from this interactive chart, when compared to other 8000-9000W generators, the Generac XT8500EFI 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
- In the expected price range
- COsense® technology
- Several accessories included
- GFCI Outlets
- Electric start
- Clean sine wave
- Electronic Fuel Injection
- Decent weight (214 lbs)
- No remote start
- Relatively low run time
- Low fuel efficiency
Features and Specifications
| Inverter | No |
|---|---|
| Portable | Yes |
| Parallel capable | No |
| RV ready | No |
| Fuel | Gasoline |
| Engine | 459 cc Generac OHV 4-stroke |
| Starting system | Recoil, Electric |
| Voltage | AC: 120/240V 60 Hz |
|---|---|
| Running watts | 8500 W |
| Starting watts | 10000 W |
| Running amps (@120/240V) | 70.8/35.4 amps |
| Peak amps (@120/240V) | 83.3/41.7 amps |
| Run time @50% load | 9 h |
| Run time @25% load | Unknown |
| GFCI outlets | Yes |
|---|---|
| Covered outlets | Yes |
| Automatic Voltage Regulation | Yes |
| AC outlets |
|
| DC outlets | No |
| Data center | Lifetime run hours |
| Indicators | No |
| Fuel tank | Steel, 8 gal |
| Fuel gauge | Yes |
| Weight | 214 lbs |
|---|---|
| Approx. dimensions (L x W x H) | 31.4 x 20.5 x 26.5 in |
| Noise (lower limit) | Unknown |
| THD | < 5% |
| Emissions | CARB, EPA |
| Security | Low oil and overload protection, CO monitoring |
| Spark arrestor | Yes |
| Neutral | Bonded to frame |
| Accessories included | Oil, funnel, battery charger, battery, and wheel kit |
| Warranty | 3 years |
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.
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 XT8500EFI 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?
| Item | Running Watts | Starting Watts | |
|---|---|---|---|
| At home | Electric fry pan | 1500 | 1500 |
| Dish washer | 1500 | 3000 | |
| Microwave (1000 watts) | 1500 | 1500 | |
| AC (10,000 BTU) | 1500 | 2200 | |
| Refrigerator (energy star) | 192 | 1192 | |
| Coffee maker | 600 | 600 | |
| Total | 6792 W | 8292 W | |
| For camping | RV AC (11,000 BTU) | 1010 | 1600 |
| RV refrigerator | 180 | 600 | |
| Hair dryer | 1800 | 1900 | |
| Electric grill | 1650 | 1650 | |
| Electric fry pan | 1500 | 1500 | |
| Rice cooker | 650 | 650 | |
| Total | 6790 W | 7380 W | |
| For work | Table saw | 1800 | 4500 |
| Air compressor (1 hp) | 1600 | 6100 | |
| Grinder | 1400 | 2500 | |
| Paint sprayer | 600 | 600 | |
| Bug zapper | 80 | 80 | |
| Total | 5480 W | 9980 W |
What is the noise rating of the XT8500EFI?
Due to the lack of standardization in noise emission measurement, Generac does not provide their units' noise levels.
Hi. Does the battery need a charge in order to run the fuel injection system? Will it run without the battery??? (Asked July 15, 2020)
The battery does need a charge for the fuel pump and electronics to run. If the charge is not sufficient, the EFI fault indicator light will flash and the generator will not start.
Can the xt8500efi be connected to a transfer box to power a gas home furnace/AC? (Asked August 05, 2020)
It absolutely can. Best way would be through Generac's HomeLink transfer switch (opens in a new tab), but a licensed electrician should be able to do the connection to your existing transfer box.
The instructions and everywhere else I read say to change the oil filter. Where is the oil filter? (Asked September 30, 2020)
It is located near the dipstick. Look page 5 of the owner's manual. Make sure to check the PDF version (opens in a new tab), as it will allow you to zoom in.
Which Genertor cord should be used with XT8500EFI ? What should be the Amperage and gauge of the cord? (Asked October 18, 2020)
As a guideline, you can refer to the table below:
Does the Generac XT8500EFI automatically charge the starting battery used for it's electric starting system? If so, do I still have to employ a trickle charger when the generator is not in use?? (Asked October 24, 2020)
Running the generator automatically charges the battery. However, the engine will not start if there's not at least 10V at the battery connections, which can happen if the unit is left unused for too long. In that case, you'll need the trickle charger.
Given the aforementioned issues with the battery, can you simply use the pull cord to start it and then allow it to self charge or will it not start at all if the battery isn’t charged? (Asked November 01, 2020)
The unit cannot run if the battery isn't charged. The EFI engine contains electronics that need power from the battery in order to operate.
What is the life span of the generator? (Asked November 15, 2020)
Life expectancy of any generator is dependent on maintenance, conditions of operation, and overall care it receives.
Couldn't find the right answer for you? Ask your own question.
It Works flawlessly. For this price a reliable engine with EFI and <5% THD nobody has anything like it on the market except Honda @ $4000+. Only issue is the noise level seems a bit high. Call to Generac corporate to confirm the dBA rating was unsuccessful. Rep had me on hold and cane back and said Generac does not publish dBA ratings on any of their portable generators. If you can find one buy it
Had to use it for the first time a few days ago because of a power outage. Worked great. It ran just about everything in my house including the pump for the well and refrigerator and freezer. My only problem was the battery was dead after less than a month so I had to boost it from my truck to get it started
As far as I can tell, the battery issue is because it is not being trickle-charged when not in use. In order to maintain the freshness of the battery, and to have it ready to be used at 100% when it’s needed, please keep the charger on it at all times when it’s not in use.
Love this generator. For the $1k price, I couldn’t find another name-brand 240v generator with this much power that had <5% THD (clean power for sensitive electronics) and a relatively low noise level, both of which were my must-haves for home backup. It's much quieter than my neighbor's Troy-Bilt XP7000 but roughly the same as my Honda EG2800i inverter. (I registered 77db @ 23 feet on my phone's decibel meter app with no load). The battery does drain after a few weeks when the unit is off and the manual pull start doesn't work if the battery is less than 10 volts, so I keep the battery hooked up to a battery tender at all times when not in use. Works great. It's always ready to go and hasn't let me down yet.