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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 who wish to upgrade their experience to another level
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • DIYers who wish to improve their efficiency with tools
  • 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 is powered by a 208 cc Generac OHV 4-stroke engine. It delivers 120/240V, runs on gasoline and offers a running wattage of 3250W as well as a peak wattage of 3750W.

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

With a fuel capacity of 3.5 gallons, the GP3250 may run for around 9.7 hours at 50% load with a full tank (fuel consumption around 0.36 GPH).

As the GP3250 has a relatively high THD (<20%), it is not recommended to use it to power sensitive electronic devices.

Outlets

The control panel provides the upcoming 3 AC outlets:

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

Portability

With its dimensions of L22.75 x W22 x H21 in, the conventional, open frame design of the Generac GP3250 offers stability and allows the generator to be raised above ground level. The generator is designed for ideal use outdoors and in rough environments.

While the generator is considered to be technically 'portable' (in the sense that you can move it), manually lifting and transporting it may be challenging, due to its high weight of 110 lbs. Nevertheless, thanks to its wheel kit (⌀8") and its folding handle (a decent solution to its lack of maneuverability), the generator can be easily moved, once placed the ground.

Features

Panel of the Generac GP3250

The GP3250's control panel

A built-in fuel gauge allows for a quick, easy and convenient check of the fuel level of the generator.

Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off, which gives you a complete peace of mind when using it.

Besides the features previously mentioned, accessory-wise, the Generac GP3250 comes with the usual documentation and owner's manual (opens in a new tab) needed to get you promptly started.

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).

  • Having a dry weight of 110 lbs, the Generac GP3250 belongs in the expected weight range for generators which produce 2500 to 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. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Honda EB4000X, as it provides 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. As this generator uses an estimated 0.36 GPH (gallon per hour) at a 50% load, it finds itself in the average gasoline consumption range of similar products. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Westinghouse iGen4200. With a fuel consumption of as little as 0.17 GPH, it is one of the most efficient generators currently on the market.
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% loadN/A
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 includedNo
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 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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