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Generac GP3300i - 2500/3300W Inverter Generator

The Generac GP3300i (7154) is a compact and lightweight inverter generator with a rated wattage of 2,500 W and a starting wattage of 3,300 W.

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Price history for the Generac GP3300i
Latest updates:
  • $769.99 - January 31, 2023
  • $849.99 - September 24, 2022
Data source: tractorsupply.com
Since: September 24, 2022
  • Highest Price: $849.99 - September 24, 2022
  • Lowest Price: $769.99 - January 31, 2023

Description

The GP3300i inverter featuring advanced PowerRush™ technology delivers over 50 percent more starting capacity so you can do more with less. (source: Generac (opens in a new tab))

Zoom on the Generac GP3300i

In summary, the Generac GP3300i is a compact and lightweight portable inverter generator especially useful for:

  • Camping and tailgating buffs looking to enhance their experience
  • Handcrafting enthusiasts who wish to work on-the-go
  • Homeowners in need of an emergency backup power for their essentials
  • RV travellers who wish to upgrade their experience to another level

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.

Power & Run Time

The Generac GP3300i in use

The Generac GP3300i

The Generac GP3300i houses a 149 cc Generac OHV 4-stroke engine, which provides 120V, consumes gasoline and delivers a running wattage of 2,500W along with a peak wattage of 3,300W. Additionally, as the generator is parallel capable (parallel kit (opens in a new tab) not included), it can be linked to a second unit for more power.

This inverter generator features a simple traditional pull-start mechanism. It features Generac's PowerDial™, an easy-to-use dial with three operation settings.

The fuel capacity of 1.06 gallon allows the GP3300i to operate for up to 7 hours with a full tank (fuel consumption around 0.15 GPH).

The GP3300i produces a clean sine wave: thanks to a <3% Total Harmonic Distortion (THD), your sensitive electronics can be safely plugged in the AC outlets.

Outlets

The control panel features the upcoming 3 AC outlets:

Duplex 120V 20A (5-20R)
120V 30A (L5-30R) receptacle

In addition, it provides 2 DC outlets: there's two 5V USB ports with which charging of electronics like mobile phones and tablets is made convenient.

Even though this Generac generator isn't quite RV Ready, its L5-30R receptacle allows an easy RV connection via an L5-30P to TT-30R adaptor.

Portability

The Generac GP3300i is an inverter generator and has an encased design of the following dimensions: L22.2 x W13.3 x H18.4 in. Thus, it is more aesthetical than conventional, open frame products. The design follows the contemporary trends and is perfect for recreationally generating power.

The 59.5 lbs of the GP3300i's dry weight enables you to use it anywhere you will ever need. In addition, its nifty handle (molded in the case) improves your grip, allowing for an easy transport of the GP3300i from place to place.

Features

Panel of the Generac GP3300i

The GP3300i's control panel

The light indicators show you if the oil level is too low, the generator is on overload and the generator is ready.

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

Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the Generac GP3300i also is packed along with the following accessories: oil, funnel and tool kit.

Emissions

The Generac GP3300i is EPA-approved and CARB-compliant. It can therefore be sold and purchased in all 50 states, including California.

Moreover, it features a spark arrestor, so it is adequate for use in forested areas.

Product Videos

The Generac GP3300i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Generac GP3300i compare to inverter generators of similar power (between 2000 and 3000 W).

  • In terms of its dry weight, the Generac GP3300i stands at only 59.5 lbs, meaning that is one of the lighter inverters of the 2000-3000 rated wattage category If weight matters to you, one of the champions in this power range is the Westinghouse iGen2500 with only 46.3 pounds.
  • As far as autonomy is concerned, providing up to 7 hours of runtime with a full tank at a 25% load, the GP3300i falls into the low end in comparison with other inverters 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 EU3000iS, as it provides up to 20 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 inverter generator, with an estimated fuel consumption of just 0.15 GPH (gallon per hour) at 25% load, is one of the more fuel efficient generators, for the previously mentioned wattage range. If you wish to further improve in the area of fuel efficiency, the Cummins Onan P2500i, which boasts with a gas consumption of only 0.1 GPH, may be the right generator for you.

Price comparison

As you can see from this interactive chart, when compared to other 2000-3000W inverter generators, the Generac GP3300i 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
  • Several accessories included
  • Parallel capable
  • Inverter
  • Lightweight (59.5 lbs)
  • Fuel efficient
WEAKNESSES:
  • No data center
  • No electric start
  • Relatively low run time

Do you own the Generac GP3300i and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyNo
FuelGasoline
Engine149 cc Generac OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz, DC: 5V
Running watts2,500 W
Starting watts3,300 W
Running amps20.8 amps
Peak amps27.5 amps
Run time @50% load4.5 h
Run time @25% load7 h
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (L5-30R)
DC outlets2x 5V USB port
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tank1.06 gal
Fuel gaugeNo
Misc
Weight59.5 lbs
Approx. dimensions (L x W x H)22.2 x 13.3 x 18.4 in
Noise (lower limit)Unknown
THD< 3%
ComplianceCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedOil, funnel, and tool kit
Warranty3 years
SeriesGP
Other model numbers7154
UPC696471082753

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 GP3300i 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?
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 homeRefrigerator (energy star)1921192
Hair dryer18001900
Total1992 W2992 W
For campingRadiant heater13001300
RV refrigerator180600
Blender400850
Radio100100
Total1980 W2430 W
For workGrinder14002500
Electric fence (25 miles)250250
Drain cleaner250250
Bug zapper8080
Total1980 W3080 W
What is the noise rating of the GP3300i?

Due to the lack of standardization in noise emission measurement, Generac does not provide their units' noise levels.

Can a 3300i be used on a RV that has a surge guard that is hard wired. (Asked June 23, 2021)

The unit has a floating neutral. Your surge guard protection device may detect this as an open ground condition and not allow power to pass through. In that case, you may need to bond the neutral.

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