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Generac GP17500E Spec Review

Picture 1 of the Generac GP17500E
Picture 2 of the Generac GP17500E
Picture 3 of the Generac GP17500E

The Generac GP17500E (5735) is a powerful open frame portable generator with a rated wattage of 17500 W and a starting wattage of 26250 W.

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Description

The most powerful portable generator on the market is an exceptional value. Powerful enough to start many 5-ton air conditioning units and can provide power for up to 16 circuits. (source: Generac)

Zoom on the Generac GP17500E

In summary, the Generac GP17500E is a powerful portable generator especially useful for:

  • Professionals who want to ensure that a power failure will not prevent them from working
  • Prudent homeowners who want a backup power source in case of a power outage

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 GP17500E in use

The Generac GP17500E

The Generac GP17500E's build contains a gasoline-fueled 992 cc Generac OHVI 4-stroke engine. With a 120/240V output, it gives a running wattage of 17500W and also a peak wattage of 26250W.

The generator features a convenient and easy-to-use electric starter (battery included).

Thanks to a fuel capacity of 16 gallons, the GP17500E can operate for around 10 hours at 50% load with a full tank (fuel consumption around 1.6 GPH).

The powering of sensitive electronic devices with the GP17500E is not recommended due to its relatively high THD (<20%).

Outlets

The control panel features the following 8 AC outlets:

Duplex 120V 20A (5-20R) GFCI
Duplex 120V 20A (5-20R)
Two 120V 30A (L5-30R) receptacles
120/240V 30A (L14-30R) receptacle
120/240V 50A (14-50R) receptacle

Furthermore, it has 1 DC outlet: there's a 12V 10A receptacle with which you may charge your batteries with ease.

Even if this Generac generator isn't quite RV Ready, it still allows for an easy RV connection via an L5-30P to TT-30R adaptor, thanks to its L5-30R receptacle. Besides, since the GP17500E 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

The Generac GP17500E has a conventional, open frame design, of the following dimensions: L48.5 x W31 x H39.5 in, which offers support and allows it to be raised above ground level. This type of design is ideal for tough environments and heavy outdoor use.

Although this generator is technically considered 'portable' (in the sense that it can be moved), its 390 lbs make it incredibly difficult to manually lift and transport. However, its challenging mobility is solved by a wheel kit (⌀12.3") and a handle, which will ease its displacement, once it is on the floor.

The generator comes with an additional safety feature, a lift hook on the top of its frame, which is helpful during its transport, loading and unloading.

Features

Panel of the Generac GP17500E

The GP17500E's control panel

A digital data center, one of the features of the GP17500E’s control panel, gives you information on the lifetime run hours, and thus, is helpful for the monitoring of 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 point of view, the generator is equipped with an automatic low oil shut-off and an overload protection (circuit breaker), giving you a peace of mind during use.

Besides the usual set of documentation and user manual to get you promptly started, Generac also included a tool kit in the GP17500E's packaging.

Emissions

The Generac GP17500E is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

Moreover, it features a spark arrestor and therefore, can be used in forested areas.

Product Video

Video of the Generac GP17500E

The Generac GP17500E versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Generac GP17500E compare to generators of similar power (between 10000 and 17500 W).

  • With its weight of 390 lbs, the Generac GP17500E is one of the heavier generators in the 10000-17500 rated wattage category. If weight is your top priority, one of the champions in this power category is the A-iPower SUA13000EFI, weighing just 218 pounds.
  • With a run time of around 10 hours at 50% load, the GP17500E has one of the higher run times, compared to its similarly powerful peers. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Cat RP12000 E, reaching around 11.7 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. This generator is not fuel efficient compared to devices of similar output: its estimated fuel consumption stands at 1.6 GPH at a 50% load. If fuel consumption is your top priority, we suggest to check out the A-iPower SUA13000EFI, which has a fuel consumption of only 0.78 GPH and thus, is one of the most efficient devices in our database.

Price comparison

As you can see from this dynamic chart, when compared to other 10000-17500W generators, the Generac GP17500E 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
  • Electric start
  • High run time
WEAKNESSES:
  • No recoil back-up
  • No remote start
  • Not CARB-compliant
  • On the heavy side (390 lbs)
  • Low fuel efficiency

Do you own the Generac GP17500E 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
Engine992 cc Generac OHVI 4-stroke
Starting systemElectric

Power

VoltageAC: 120/240V 60 Hz, DC: 12V
Running watts17500 W
Starting watts26250 W
Running amps (@120/240V)145.8/72.9 amps
Peaks amps (@120/240V)218.8/109.4 amps
Run time @50% load10 h
Run time @25% loadN/A

Features

GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets1x Duplex 120V 20A (5-20R) GFCI
1x Duplex 120V 20A (5-20R)
2x 120V 30A (L5-30R)
1x 120/240V 30A (L14-30R)
1x 120/240V 50A (14-50R)
DC outlets1x 12V 10A receptacle
Data centerLifetime run hours
IndicatorsNo
Fuel tank16 gal
Fuel gaugeYes

Misc

Weight390 lbs
Dimensions (L x W x H)48.5 x 31 x 39.5 in
Noise (lower limit)N/A
THD< 20%
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedTool kit
Warranty2 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 GP17500E is covered under a warranty for up to 2 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. Alternatively, you can also contact their Customer Support: 1-888-GENERAC (888-436-3722).

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