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Generac GP3250 Spec Review

The Generac GP3250 (5982) is an open frame portable generator with a rated wattage of 3250 W and a starting wattage of 3750 W.

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Picture 1 of the Generac GP3250
Picture 2 of the Generac GP3250
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Description

An affordable solution for recreational applications. Perfect size for tailgating,camping and power tool use.

Zoom on the Generac GP3250

In summary, the Generac GP3250 is a portable generator especially useful for:

  • RV travellers looking for even more independence
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Amateur DIY lovers
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures

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 GP3250 in use

The Generac GP3250

The Generac GP3250's engine, 208 cc Generac OHV 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 3250W and reaches a peak wattage of 3750W.

This generator gets running thanks to a simple traditional pull-start mechanism.

The GP3250 can operate for around 9.7 hours at 50% load with a full tank (fuel consumption around 0.36 GPH), due to its fuel capacity of 3.5 gallons.

Since the GP3250 has a somewhat high THD (<20%), it is advisable to not use it for the powering of sensitive electronic devices.

Outlets

The control panel features the upcoming 3 AC outlets:

Duplex 120V 20A (5-20R)
120/240V 20A (L14-20R) receptacle

Portability

The Generac GP3250 has the following dimensions: L22.75 x W22 x H21 in. In combination with its conventional, open frame design, they provide support and allow the generator to be raised above ground level. This type of design is ideal for tough environments and heavy outdoor use.

Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 110 pounds. Still, once it is on the ground, its wheel kit (⌀8") and its folding handle can easily solve the issue of low mobility and allow for easy relocation of the device.

Features

Panel of the Generac GP3250

The GP3250's control panel

The generator allows for a quick, easy and convenient assessment of its gas level, as it is equipped with a built-in fuel gauge.

As for its security measures, the device features an automatic low oil shut-off and an overload protection (circuit breaker), letting you use it with a peace of mind.

Along with the aforementioned features, from an accessory standpoint, the Generac GP3250's box includes the typical documentation and an owner's manual (opens in a new tab), which will help you start your generator promptly.

Emissions

The Generac GP3250 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.

Product Video

The Generac GP3250 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Generac GP3250 compare to generators of similar power (between 2500 and 3500 W).

  • With a dry weight of 110 pounds, the Generac GP3250 finds itself in the expected weight range for generators able to produce between 2500 and 3500 rated watts. If weight matters to you, one of the champions in this power range is the WEN GN400i with only 66.1 pounds.
  • As far as autonomy is concerned, providing around 9.7 hours of runtime with a full tank at a 50% load, the GP3250 falls into the low end in comparison with other devices of a comparable power output. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the Honda EB4000X, which is able to run for around 16 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 reaches an estimated fuel consumption of 0.36 GPH (gallon per hour) at a 50% load, making it average, for the previously mentioned wattage range. If fuel consumption is your top priority, we suggest to check out the Westinghouse iGen4200, which has a fuel consumption of only 0.17 GPH and thus, is one of the most efficient devices in our database.
According to our stats, the following comparison is pretty popular: Generac GP3250 vs Generac GP3300.

Price comparison

As you can see from this interactive chart, when compared to other 2500-3500W generators, the Generac GP3250 is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget generator.

The bottom line

STRENGTHS:
  • Inexpensive
AVERAGE SPECS:
  • Decent weight (110 lbs)
  • Decent fuel efficiency
WEAKNESSES:
  • No data center
  • No electric start
  • Not CARB-compliant
  • Relatively low run time

Do you own the Generac GP3250 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
Engine208 cc Generac OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120/240V 60 Hz
Running watts3250 W
Starting watts3750 W
Running amps (@120/240V)27.1/13.5 amps
Peaks amps (@120/240V)31.3/15.6 amps
Run time @50% load9.7 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationNo
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120/240V 20A (L14-20R)
DC outletsNo
Data centerNo
IndicatorsNo
Fuel tankSteel, 3.5 gal
Fuel gaugeYes
Misc
Weight110 lbs
Approx. dimensions (L x W x H)22.75 x 22 x 21 in
Noise (lower limit)Unknown
THD< 20%
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedWheel 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.

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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 GP3250 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 (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 wattage calculator.
ItemRunning WattsStarting Watts
At homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Radio100100
Set of 5 LED light bulbs5555
Total2272 W3747 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
Radio100100
Total2590 W3180 W
For workGrinder14002500
Milk cooler11001800
Bug zapper8080
Total2580 W3680 W
What is the gap setting on the valves on a Generac 3250 engine? (Asked May 25, 2020)

Valve clearances are the following: Intake 0.10mm ± 0.02/0.004" ± 0.0008 (cold) — Exhaust 0.15mm ± 0.02/0.006" ± 0.0008 (cold)

Is the output a pure sine wave? (Asked August 25, 2020)

No. This unit's THD is <20%.

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