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Generac GP1800 Spec Review

Picture 1 of the Generac GP1800
Picture 2 of the Generac GP1800
Picture 3 of the Generac GP1800
Picture 4 of the Generac GP1800

The Generac GP1800 (5981) is a compact open frame portable generator with a rated wattage of 1800 W and a starting wattage of 2050 W.

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Description

An affordable solution for recreation applications. Perfect size for tailgating,camping and power tool use. (source: Generac)

Zoom on the Generac GP1800

In a nutshell, the Generac GP1800 is a compact portable generator mostly geared towards:

  • Camping and tailgating hobbyists looking for a portable power source
  • DIYers who wish to improve their efficiency with tools

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 GP1800 in use

The Generac GP1800

The Generac GP1800's engine, 163 cc Generac OHV 4-stroke, fueled by gasoline, can deliver 120V. It provides a running wattage of 1800W and reaches a peak wattage of 2050W.

The generator features a conventional pull-start mechanism.

The fuel capacity of 3.5 gallons allows the GP1800 to operate for around 10.5 hours at 50% load with a full tank (fuel consumption around 0.33 GPH).

The GP1800 is unsuitable for the powering of sensitive electronic devices due to its relatively high THD (<25%).

Here are a few examples of what this generator could allow you to simultaneously power:Note: The above mentioned examples presume a maximum load of 75% and use wattage estimates. In addition, the items might not be able to start simultaneously. With our wattage calculator, you can predict if the product can fulfill your requirements.

Outlets

The control panel features the upcoming 2 AC outlets:

Duplex 120V 20A (5-20R)

Portability

The dimensions of the Generac GP1800, which are L22.8 x W16.8 x H17.3 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. The generator is designed for ideal use outdoors and in rough environments.

The GP1800 can be taken anywhere with you, thanks to its weight of 84 lbs. Furthermore, the open frame of the generator further helps when holding and moving it to a different place.

Features

Panel of the Generac GP1800

The GP1800's control panel

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 funnel in the GP1800's packaging.

Emissions

The Generac GP1800 is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

Moreover, it features a spark arrestor, which makes it suitable for use in forested areas.

The Generac GP1800 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Generac GP1800 compare to generators of similar power (between 1500 and 2500 W).

  • Considering its dry weight of 84 pounds, the Generac GP1800 is one of the heavier generators producing between 1500 and 2500 running watts. If you are concerned by weight, one of the champions in the above mentioned power range is the WEN 56202i, with a dry weight of just 38.6 pounds.
  • The GP1800 provides a higher run time than similarly powerful devices, reaching 10.5 hours at 50% load. If you consider autonomy on a single full tank as one of the deciding factors, one of the generators in the same power range that offers the highest run time is the Westinghouse WGen2000, with 20 hours .
  • The run time is important, but also hugely depends on the capacity of the fuel tank and doesn't mean much if we don't talk about fuel consumption as well. In fact, this generator is not among the most fuel efficient, within the aforementioned wattage range : its estimated gasoline consumption at 50% load is around 0.33 GPH. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.12 GPH, the Westinghouse iGen2200 is a device you should look out for.

Price comparison

As you can see from this dynamic chart, when compared to other 1500-2500W generators, the Generac GP1800 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
  • High run time
WEAKNESSES:
  • No data center
  • No electric start
  • Not CARB-compliant
  • On the heavy side (84 lbs)
  • Low fuel efficiency

Do you own the Generac GP1800 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Where to buy the Generac GP1800?

You can easily buy your Generac generator online. You will benefit from a convenient delivery and avoid carrying the heavy package yourself. Here are a few reliable online sellers:
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Features and Specifications

General

InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine163 cc Generac OHV 4-stroke
Starting systemRecoil

Power

VoltageAC: 120V 60 Hz
Running watts1800 W
Starting watts2050 W
Running amps15 amps
Peaks amps17.1 amps
Run time @50% load10.5 h
Run time @25% loadN/A

Features

GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets1x Duplex 120V 20A (5-20R)
DC outletsNo
Data centerNo
IndicatorsNo
Fuel tankSteel, 3.5 gal
Fuel gaugeYes

Misc

Weight84 lbs
Dimensions (L x W x H)22.8 x 16.8 x 17.3 in
Noise (lower limit)N/A
THD< 25%
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedFunnel
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 GP1800 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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