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WEN GN400iX - 3500/4000W Open Frame Inverter Generator

The WEN GN400iX is a compact and lightweight open frame inverter generator with a rated wattage of 3,500 W and a starting wattage of 4,000 W. (Read full specs)

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Price History
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Price history for the WEN GN400iX
Latest updates:
  • $451.13 - September 8, 2024
  • $446.66 - August 11, 2024
  • $440.67 - July 7, 2024
  • $436.31 - June 3, 2024
  • $435.44 - June 1, 2024
  • $436.31 - April 5, 2024
  • $431.99 - February 6, 2024
  • $432.86 - January 5, 2024
Data source: homedepot.com
Since: November 14, 2023
  • Highest Price: $451.13 - September 8, 2024
  • Lowest Price: $431.99 - February 6, 2024

Description

Zoom on the WEN GN400iX

The WEN GN400iX is the newer version of the GN400i. It's a compact and lightweight portable inverter generator mostly geared towards:

  • RV travellers looking for even more independence
  • People occasionally participating in outdoor fairs, festivals or events
  • Handcrafting enthusiasts who wish to work on-the-go
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Camping and tailgating hobbyists looking for a portable power source

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device.

Power & Run Time

The WEN GN400iX is powered by a 212 cc OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 3,500W as well as a peak wattage of 4,000W. In addition, the parallel capability (WEN Parallel Connection Kit (opens in a new tab) not included) empowers increasing of power output when linked to another similar or compatible unit, ensuring expanded energy capacity and reliability for various applications.

With a noise rating of 67 dBA (less noisy than an office), the inverter generator's ignition is facilitated by a standard recoil pull-rope starting mechanism.

Featuring a 1.85 gallon fuel tank, the GN400iX can provide power for around 7 hours at 50% load on a full tank (with fuel consumption averaging 0.26 gallons per hour).

The GN400iX generates a clean sine wave with <1.2% Total Harmonic Distortion (THD), ensuring minimal electrical noise and fluctuations. This feature makes it ideal for powering sensitive electronics, providing stable and reliable AC power through the outlets.

Outlets

The control panel includes the following 3 AC outlets:

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

Furthermore, it showcases 2 DC outlets: there's two 5V USB ports (USB-A) enabling convenient charging of devices like mobile phones and tablets.

Thanks to its TT-30R receptacle (TT stands for 'Travel Trailer'), this WEN generator is RV Ready.

Portability

With its L19.8 x W13.8 x H18.9 in dimensions, the open frame structure of the WEN GN400iX guarantees stability, simplified maintenance access to components, and better air cooling than enclosed units. The featured design is ideal for the outdoors and all tough environments.

As the GN400iX's weight is only 70 lbs, it can follow you and your power needs anywhere. Furthermore, the generator's open frame construction allows for easy grabbing and movement.

Features

Panel of the WEN GN400iX

The GN400iX's control panel

Several light indicators serve to show you when the generator is ready, the generator is on overload and its oil levels are insufficient.

Equipped with a built-in fuel gauge, the inverter generator facilitates swift gas level checks.

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

The unit also benefits from WEN's CO Watchdog carbon monoxide detection. This system measures the accumulation of poisonous CO gas while the generator is running. If the level of CO gas gets too high, the CO Watchdog system will automatically shut down the generator.

Apart from the standard documentation and an owner's manual (opens in a new tab) to facilitate setup, the WEN GN400iX features extra accessories: tool kit, funnel and 2 altitude kits. An official storage cover is also available, as a separate purchase.

The WEN GN400iX versus other generators

The following charts are provided to give you an idea of how some of the key specs of the WEN GN400iX compare to inverter generators of similar power (between 3000 and 4000 W).

  • When it comes to weight, the WEN GN400iX tips the scales at just 70 pounds, making it one of the lighter inverter generators in the 3000 to 4000 rated wattage range. If you are concerned by weight, one of the champions in the above-mentioned power range is the Pulsar PGD40iSCO, with a dry weight of just 46 pounds.
  • If compared to generators capable of producing a similar running wattage, this inverter generator with a lowest emitted noise of 67 dBA can be considered somewhat noisy. If noise emissions are important to you, one of the least noisy generators of this power range is the Westinghouse iGen4500DF with only 52 dBA.
  • In terms of autonomy, the GN400iX offers around 7 hours at a 50% load, placing it at the lower range within its type and power range. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Westinghouse iGen4500DF, boasting with around 15 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. This inverter generator has a better fuel efficiency than other units in the aforementioned output range, consuming approximately 0.26 GPH (gallon per hour) at 50% load. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.22 GPH, the Pulsar PGD40iSCO is a device you could look out for.

Price comparison

As you can see from these interactive charts, when compared to other 3000-4000W inverter generators, the WEN GN400iX 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
  • CO Watchdog
  • Several accessories included
  • RV Ready
  • Parallel capable
  • Inverter
  • Lightweight (70 lbs)
  • Fuel efficient
WEAKNESSES:
  • No data center
  • No electric start
  • On the noisy side (67 dBA)
  • Relatively low run time

Do you own the WEN GN400iX and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
Parallel capableYes, cable not included
RV readyYes
FuelGasoline
Engine212 cc OHV 4-stroke
Starting systemRecoil
Warranty2 years
Power
VoltageAC: 120V 60 Hz, DC: 5V
Running watts3,500 W
Starting watts4,000 W
Running amps29.2 amps
Peak amps33.3 amps
Run time @50% load7 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (TT-30R)
DC outlets2x 5V USB port (USB-A)
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tankSteel, 1.85 gal
Fuel gaugeYes
Misc
Weight70 lbs
Approx. dimensions (L x W x H)19.8 x 13.8 x 18.9 in
Noise (lower limit)67 dBA
THD< 1.2%
ComplianceEPA
SecurityLow oil, overload and low fuel protection, CO monitoring
Spark arrestorYes
NeutralFloating
Accessories includedFunnel, tool kit, and 2 altitude kits
UPC044459014003

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 GN400iX 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 size calculator.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Hair dryer18001900
Toaster oven800800
Total2792 W3792 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
Slow cooker270270
Cell phone charger2020
Total2780 W3370 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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