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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 buffs looking to enhance their experience
  • Amateur DIY lovers

The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from and any relevant emission compliance details.

Power & Run Time

The Generac GP1800 in use

The Generac GP1800

The Generac GP1800 houses a 163 cc Generac OHV 4-stroke engine, which provides 120V, consumes gasoline and delivers a running wattage of 1800W along with a peak wattage of 2050W.

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

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

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

Outlets

The control panel includes the following 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 design is ideal for rough environments and demanding outdoor use.

As the GP1800's weight is only 84 lbs, it can follow you and your power needs anywhere. Moreover, grabbing and moving this product is made even easier by its open frame design.

Features

Panel of the Generac GP1800

The GP1800's control panel

The fuel level of the generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.

From a security standpoint, the product offers an overload protection (circuit breaker) and an automatic low oil shut-off, allowing you to use it with a peace of mind.

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).

  • At a dry weight of 84 pounds, the Generac GP1800 is one of the heavier devices which can produce between 1500 and 2500 running watts. In terms of weight, one of the champions in their power range is the WEN 56202i, standing at just 38.6 lbs.
  • The GP1800 provides a higher run time than similarly powerful devices, reaching around 10.5 hours at 50% load. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Westinghouse WGen2000, reaching around 20 hours.
  • While the run time is an important parameter, it is dependent on the fuel tank’s capacity and thus, doesn’t say much on its own unless we consider 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 fuel consumption is your top priority, we suggest to check out the Westinghouse iGen2200, which has a fuel consumption of only 0.12 GPH and thus, is one of the most efficient devices in our database.

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.

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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