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WEN DF402iX - 3500/4000W Dual Fuel Open Frame Inverter Generator

The WEN DF402iX is a compact and lightweight open frame dual fuel inverter generator with a rated wattage of 3,500 W and a starting wattage of 4,000 W.

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Price History
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Price history for the WEN DF402iX
Latest updates:
  • $536.75 - March 14, 2023
  • $537.83 - February 2, 2023
Data source: walmart.com
Since: February 2, 2023
  • Highest Price: $537.83 - February 2, 2023
  • Lowest Price: $536.75 - March 14, 2023

Description

Zoom on the WEN DF402iX

In summary, the WEN DF402iX is a compact and lightweight portable inverter generator especially useful for:

  • RV travellers looking for even more independence
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • DIYers who wish to improve their efficiency with tools
  • 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

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 dual-fuel technology of the WEN DF402iX allows for an output of 120V and provides superb power and versatility. If gasoline-powered, the device provides a running wattage of 3,500W and a starting wattage of 4,000W. If propane-powered, it gives 3,200 rated watts and 3,600 starting watts. Moreover, since it is parallel capable (GNA50i parallel kit (opens in a new tab) not included), its power may be increased if linked to a second compatible unit.

This inverter generator is started via a simple traditional pull-start mechanism.

As for its running time, the DF402iX, along with its 1.85 gallon fuel capacity, can run for around 7 hours at 50% load with a full tank filled with gasoline (fuel consumption around 0.26 GPH). If propane is used, it can operate for around 9.5 hours (on a 20 lbs tank - propane consumption around 0.49 GPH).

Sensitive electronics can be safely plugged in the AC outlets, as the DF402iX produces a clean sine wave, with a <1.2% Total Harmonic Distortion (THD).

Outlets

The control panel includes the following 3 AC outlets:

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

Additionally, it features 2 DC outlets: there's two 5V USB ports (USB-A) allowing you to conveniently charge electronics such as mobile phones and tablets.

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

Portability

With its dimensions of L19.8 x W13.8 x H18.9 in, the conventional, open frame design of the WEN DF402iX offers stability and allows the generator to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.

With a dry weight of 66.1 lbs, the DF402iX can easily follow you wherever your power needs are. Furthermore, the open frame of the generator further helps when holding and moving it to a different place.

Features

Panel of the WEN DF402iX

The DF402iX's control panel

Several light indicators serve to show you when the generator is on overload, the generator is ready and the oil level is too low.

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

From a security point of view, the generator is equipped with a low fuel automatic shutdown, an overload protection (circuit breaker) and an automatic low oil shut-off, giving you a peace of mind during use.

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.

While the standard documentation and an owner's manual (opens in a new tab), helpful for starting the device promptly, come with the WEN DF402iX, the following accessories are also included: 2 altitude kits, propane hose, tool kit and funnel. An official storage cover is also available, as a separate purchase.

Emissions

The WEN DF402iX is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.

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

The WEN DF402iX versus other generators

The following charts are provided to give you an idea of how some of the key specs of the WEN DF402iX compare to inverter generators of similar power (between 3000 and 4000 W).

  • As for its weight, the WEN DF402iX weighs only 66.1 pounds, making it one of the lighter inverter generators in the 3000-4000 rated wattage category. If weight is your top priority, one of the champions in this power category is the Pulsar PGD40iSCO, weighing just 46 pounds.
  • As for its autonomy, the DF402iX, with an autonomy of around 7 hours at a 50% load, is placed on the low end among the generators of its kind. 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 iGen4500DF, with around 15 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. With an estimated gasoline consumption of 0.26 GPH (gallon per hour) at 50% load, this inverter generator is among the more fuel efficient of the products in the above-mentioned wattage range. If you wish to further improve in the area of fuel efficiency, the Pulsar PGD40iSCO, which boasts with a gas consumption of only 0.22 GPH, may be the right generator for you.

Price comparison

As you can see from this interactive chart, when compared to other 3000-4000W dual fuel inverter generators, the WEN DF402iX 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
  • Dual Fuel
  • Inverter
  • Lightweight (66.1 lbs)
  • Fuel efficient
WEAKNESSES:
  • No data center
  • No electric start
  • Relatively low run time

Do you own the WEN DF402iX 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
FuelDual Fuel (gasoline/propane)
Engine212 cc OHV 4-stroke
Starting systemRecoil
Warranty2 years
VoltageAC: 120V 60 Hz, DC: 5V
Power
GasolinePropane
Running watts3,500 W3,200 W
Starting watts4,000 W3,600 W
Running amps29.2 amps26.7 amps
Peak amps33.3 amps30 amps
Run time @50% load7 h9.5 h
Run time @25% loadUnknownUnknown
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 tank1.85 gal
Fuel gaugeYes
Misc
Weight66.1 lbs
Approx. dimensions (L x W x H)19.8 x 13.8 x 18.9 in
Noise (lower limit)Unknown
THD< 1.2%
ComplianceCARB, EPA
SecurityLow oil, overload and low fuel protection, CO monitoring
Spark arrestorYes
NeutralFloating
Accessories includedFunnel, tool kit, propane hose, and 2 altitude kits
UPC044459994022

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.

Spec Improvement×

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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 DF402iX 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 sizing calculator.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Hair dryer18001900
Freezer8101750
Set of 5 LED light bulbs5555
Cell phone charger2020
Total2877 W3877 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
DVD player350350
Cell phone charger2020
Total2860 W3450 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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