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Generac GP3300 Spec Review

The Generac GP3300 (6432) is an open frame portable generator with a rated wattage of 3300 W and a starting wattage of 3750 W.

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Picture 1 of the Generac GP3300
Picture 2 of the Generac GP3300
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Description

An affordable solution for recreational applications. Perfect size for tailgating,camping and power tool use. (source: Generac (opens in a new tab))

Zoom on the Generac GP3300

In a nutshell, the Generac GP3300 is a portable generator mostly geared towards:

  • RV travellers who wish to upgrade their experience to another level
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Handcrafting enthusiasts who wish to work on-the-go
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • 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 GP3300 in use

The Generac GP3300

The Generac GP3300's engine, 163 cc (208 hp) Generac OHV 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 3300W and reaches a peak wattage of 3750W.

Its starting mechanism is based on a conventional pull-start mechanism.

With a full tank, the GP3300 can operate for around 10.3 hours at 50% load (fuel consumption around 0.33 GPH), thanks to its fuel capacity of 3.35 gallons.

The quite high THD (<25%) of the GP3300 makes it unsuitable for powering sensitive electronic devices.

Outlets

The control panel features the upcoming 5 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120/240V 20A (L14-20R) receptacle

Portability

The dimensions of the Generac GP3300, which are L24.2 x W22.5 x H21 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. The device has been designed for tough environments and demanding outdoor use.

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 101.5 lbs. Nevertheless, it can still be moved quite conveniently with the help of its wheel kit (⌀8") and its folding handle, once it is placed on the ground.

Features

Panel of the Generac GP3300

The GP3300's control panel

The control panel of the GP3300 includes a digital data center, which assists you in monitoring its status and activity, as it provides information on the lifetime run hours.

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

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.

Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the Generac GP3300 also is packed along with the following accessories: oil and RV adapter.

Emissions

The Generac GP3300 is CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

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

Product Video

The Generac GP3300 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Generac GP3300 compare to generators of similar power (between 2500 and 3500 W).

  • As its weight is 101.5 pounds, the Generac GP3300 falls in the expected weight range of the devices in the 2500-3500 rated wattage category. If you are concerned by weight, one of the champions in the above mentioned power range is the WEN GN400i, with a dry weight of just 66.1 pounds.
  • The GP3300, falls within the average autonomy range compared to generators of a roughly same power, with a run time of around 10.3 hours at a 50% load and a full tank. 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.
  • 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 has an average fuel consumption among comparably powerful devices, as it reaches 0.33 GPH (gallon per hour) at a 50% load. 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 GP3300 vs Generac GP3250.

Price comparison

As you can see from this interactive chart, when compared to other 2500-3500W generators, the Generac GP3300 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
  • Several accessories included
  • GFCI Outlets
AVERAGE SPECS:
  • Decent weight (101.5 lbs)
  • Decent run time
  • Decent fuel efficiency
WEAKNESSES:
  • No electric start

Do you own the Generac GP3300 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
Engine163 cc Generac OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120/240V 60 Hz
Running watts3300 W
Starting watts3750 W
Running amps (@120/240V)27.5/13.8 amps
Peaks amps (@120/240V)31.3/15.6 amps
Run time @50% load10.3 h
Run time @25% loadN/A
Features
GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 20A (L14-20R)
DC outletsNo
Data centerLifetime run hours
IndicatorsNo
Fuel tankSteel, 3.35 gal
Fuel gaugeYes
Misc
Weight101.5 lbs
Approx. dimensions (L x W x H)24.2 x 22.5 x 21 in
Noise (lower limit)Unknown
THD< 25%
EmissionsCARB
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil and RV adapter
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 GP3300 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 generator size 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
Pair of small speakers4545
Total2635 W3225 W
For workGrinder14002500
Disc sander12001200
Total2600 W3700 W

Couldn't find the right answer for you? Ask your own question.

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Generac GP3300
6.8 Total Score
1 review
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Value
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1 Review
  1. 3.4
    Price
    80
    Value
    70
    Quality
    60
    Performance
    60

    I haven’t used it much. Works as advertised but it’s unbearably loud.

    + PROS:
    • Starts easily
    - CONS:
    • It’s louder than a jet engine
    Helpful(1) Unhelpful(2)You have already voted this

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