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WEN GN875i Spec Review

The WEN GN875i is a powerful open frame inverter generator with a rated wattage of 7000 W and a starting wattage of 8750 W.

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Description

Keep your family safe during power outages and natural disasters with the WEN 8,750-Watt RV and Transfer-Switch Ready Inverter Generator. The onboard inverter provides clean energy, free of voltage spikes and drops. (source: WEN (opens in a new tab))

Zoom on the WEN GN875i

In a nutshell, the WEN GN875i is a powerful portable inverter generator mostly geared towards:

  • Food truck owners who want to ensure that their business is fully self-contained and does not rely on potentially unreliable external power
  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • RV travellers looking for even more independence

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 WEN GN875i's design includes a gasoline-fueled 420 cc OHV 4-stroke engine. With a 120/240V output, it gives a running wattage of 7000W and also a peak wattage of 8750W.

This inverter generator can be started thanks to a simple traditional pull-start mechanism, but also to a simple and elegant electric starter (battery included).

The fuel capacity of 4.2 gallons allows the GN875i to operate for around 6.7 hours at 50% load with a full tank (fuel consumption around 0.63 GPH).

As the GN875i produces a clean sine wave, with a <1.5% Total Harmonic Disruption (THD), sensitive electronics may be plugged in the AC outlets safely.

Outlets

The control panel provides the upcoming 6 AC outlets:

Two Duplexes 120V 20A (5-20R)
120V 30A (TT-30R) receptacle
120/240V 30A (L14-30R) receptacle

It also sports 2 DC outlets: there's two 5V USB ports with which you may charge electronics, for example mobile phones or tablets, conveniently.

With its TT-30R receptacle (TT as in 'Travel Trailer'), this WEN generator is RV Ready. In addition, because the GN875i is equipped with a twist-lock L14-30R receptacle, it is transfer switch ready: it can power your home during a power outage, as it can be easily connected to your breaker box to power your household.

Portability

With its dimensions of L26.8 x W26.4 x H23.2 in, the conventional, open frame design of the WEN GN875i offers stability and allows the generator to be raised above ground level. The device has been designed for tough environments and demanding outdoor use.

As the generator's weight is 136.7 pounds, manually moving it or transporting it may be challenging, despite the fact that it is technically considered 'portable' (movable). Nevertheless, it can still be moved quite conveniently with the help of its wheel kit and its folding handle, once it is placed on the ground.

Features

Panel of the WEN GN875i

The GN875i's control panel

The GN875i's status and activity may be monitored conveniently via the control panel, as it features a convenient meter showing you voltage, frequency and lifetime hours.

In addition to this info, some light indicators allow you to instantly see if the generator is overloaded, the generator is ready and the oil level is too low.

The inverter generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.

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.

Besides the classic documentation and an owner's manual (opens in a new tab) to get you promptly started, the WEN GN875i also comes with some accessories: 2 altitude kits and tool kit are included.

Emissions

The WEN GN875i 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, which makes it suitable for use in forested areas.

Product Videos

The WEN GN875i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the WEN GN875i compare to generators of similar power (between 6500 and 7500 W).

  • As for its weight, the WEN GN875i weighs only 136.7 pounds, making it one of the lighter generators in the 6500-7500 rated wattage category. If you are concerned by weight, one of the champions in the above mentioned power range is the Sportsman GEN85KIDF, with a dry weight of just 133 pounds.
  • Autonomy-wise, with around 6.7 hours on a full tank at a 50% load, the GN875i is on the low end when compared to other generators of a similar power output. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Generac XC6500, as it provides around 14 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. This inverter generator has an estimated fuel consumption of roughly 0.63 GPH (gallon per hour) at a 50% load, rendering it somewhat average compared to devices of a similar output. If you wish to further improve in the area of fuel efficiency, the Lifan ESI 7000iER-EFI, which boasts with a gas consumption of only 0.38 GPH, may be the right generator for you.

Price comparison

As you can see from this interactive chart, when compared to other 6500-7500W generators, the WEN GN875i 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
  • RV Ready
  • Electric start
  • Inverter
  • Lightweight for its kind (136.7 lbs)
AVERAGE SPECS:
  • Decent fuel efficiency
WEAKNESSES:
  • No remote start
  • No parallel ports
  • Relatively low run time

Do you own the WEN GN875i and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableNo
RV readyYes
FuelGasoline
Engine420 cc OHV 4-stroke
Starting systemRecoil, Electric
Power
VoltageAC: 120/240V 60 Hz, DC: 5V
Running watts7000 W
Starting watts8750 W
Running amps (@120/240V)58.3/29.2 amps
Peaks amps (@120/240V)72.9/36.5 amps
Run time @50% load6.7 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 2x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (TT-30R)
  • 1x 120/240V 30A (L14-30R)
DC outlets2x 5V USB port
Data centerVFT
IndicatorsLow oil, overload and output ready
Fuel tank4.2 gal
Fuel gaugeYes
Misc
Weight136.7 lbs
Approx. dimensions (L x W x H)26.8 x 26.4 x 23.2 in
Noise (lower limit)Unknown
THD< 1.5%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedTool kit, 2 altitude kits, battery, and wheel kit
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.

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About WEN

WEN Products, founded by Nick Anton in 1951, is an American power tool manufacturer and distributor, which claims to have a part in the development of modern chainsaw, soldering devices and wet sharpeners, through its research in random orbital technology. The Illinois based company expanded its distribution network to include various power tools, such as presses, drills and of course, power generators. As a distributor, WEN’s portfolio largely consists of branded products of different manufacturers, imported from Asia.

Warranty Information

The WEN GN875i 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 WEN generators, please consult WEN's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-847-429-9263.

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 sizer.
ItemRunning WattsStarting Watts
At homeAC (10,000 BTU)15002200
Dish washer15003000
Microwave (1000 watts)15001500
Sump pump (1/2 hp)10502150
Pair of small speakers4545
Total5595 W7095 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Toaster oven800800
Game console150150
Total5590 W6180 W
For workTable saw18004500
Air compressor (1 hp)16006100
Reciprocating saw730960
Bug zapper8080
Total4210 W8710 W

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