Zoom on the Generac GP6500
In a nutshell, the Generac GP6500 is a portable generator mostly geared towards:
- 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 who want to be able to deliver results, even during a power failure
Power & Run Time
The Generac GP6500's engine, 389 cc Generac OHV 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 6500W and reaches a peak wattage of 8125W.
The generator features a conventional pull-start mechanism.
The fuel capacity of 6.9 gallons allows the GP6500 to operate for around 10.5 hours at 50% load with a full tank (fuel consumption around 0.66 GPH).
Since the GP6500 has a somewhat high THD (<20%), it is advisable to not use it for the powering of sensitive electronic devices.
The control panel features the upcoming 5 AC outlets:
Since the GP6500 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.
The Generac GP6500 has a conventional, open frame design, of the following dimensions: L27.2 x W27 x H26.5 in, which offers support and allows it to be raised above ground level. The design is ideal for rough environments and demanding outdoor use.
Although this generator is technically considered 'portable' (in the sense that it can be moved), its 172 lbs make it incredibly difficult to manually lift and transport. Still, once it is on the ground, its wheel kit (⌀9.5") and its folding handle can easily solve the issue of low mobility and allow for easy relocation of the device.
One of the many GP6500'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.
The generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.
As far as security is concerned, the generator can be used with a peace of mind, as it features an automatic low oil shut-off and an overload protection (circuit breaker).
The GP6500 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).
While the standard documentation and an owner's manual (opens in a new tab), helpful for starting the device promptly, come with the Generac GP6500, the following accessories are also included: funnel and oil.
The Generac GP6500 is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.
However, it features a spark arrestor and therefore, can be used in forested areas.
The Generac GP6500 versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Generac GP6500 compare to generators of similar power (between 6000 and 7000 W).
- As for its weight, the Generac GP6500 weighs only 172 pounds, making it one of the lighter generators in the 6000-7000 rated wattage category. If weight matters to you, one of the champions in this power range is the Sportsman GEN85KIDF with only 133 pounds.
- The GP6500, offering a run time of around 10.5 hours with a full tank at a 50% load, falls within the average autonomy range when compared to its peers. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Generac XC6500, reaching around 14 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. Compared to its peers, this generator is not exactly fuel efficient, compared to similarly powerful devices, with an estimated fuel consumption of 0.66 GPH at a 50% load. If you wish to acquire one of the most gasoline efficient products of this power range, the A-iPower SUA7000L, with a fuel consumption of 0.36 GPH could be in your good books.
Here's a list of the most popular specific comparisons:
As you can see from this interactive chart, when compared to other 6000-7000W generators, the Generac GP6500 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
- Lightweight for its kind (172 lbs)
- Decent run time
- No electric start
- Not CARB-compliant
- Low fuel efficiency
Features and Specifications
|Engine||389 cc Generac OHV 4-stroke|
|Voltage||AC: 120/240V 60 Hz|
|Running watts||6500 W|
|Starting watts||8125 W|
|Running amps (@120/240V)||54.2/27.1 amps|
|Peak amps (@120/240V)||67.7/33.9 amps|
|Run time @50% load||10.5 h|
|Run time @25% load||Unknown|
|Automatic Voltage Regulation||Yes|
|AC outlets|| |
|Data center||Lifetime run hours|
|Fuel tank||Steel, 6.9 gal|
|Approx. dimensions (L x W x H)||27.2 x 27 x 26.5 in|
|Noise (lower limit)||Unknown|
|Security||Low oil and overload protection, CO monitoring|
|Neutral||Bonded to frame|
|Accessories included||Oil, funnel, and wheel kit|
|Other model numbers||7680|
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.
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.
The Generac GP6500 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||Microwave (1000 watts)||1500||1500|
|AC (10,000 BTU)||1500||2200|
|Electric fry pan||1500||1500|
|Refrigerator (energy star)||192||1192|
|Total||5192 W||6192 W|
|For camping||RV AC (11,000 BTU)||1010||1600|
|Set of 5 LED light bulbs||55||55|
|Total||5195 W||5785 W|
|For work||Table saw||1800||4500|
|Air compressor (1 hp)||1600||6100|
|Total||3480 W||7980 W|
What is the noise rating of the GP6500?
Due to the lack of standardization in noise emission measurement, Generac does not provide their units' noise levels.
What model of carburetor for the generac generator 5500? (Asked July 04, 2020)
The carburetor part number is 0J2451. You can easily buy it online here on Amazon (opens in a new tab).
How many decibels does this put out (Asked August 09, 2020)
Unfortunately, Generac do not provide information regarding their units' noise rating.
Can it be converted to natural gas , if so where can I get the converter (Asked September 05, 2020)
There are no official conversion kits.
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