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Honda EB4000X Spec Review

The Honda EB4000X is a portable open frame generator with a rated wattage of 3500 W and a starting wattage of 4000 W.

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Honda EB4000XHonda EB4000XHonda EB4000XHonda EB4000X

Get this unit while stock lasts, because Honda discontinued its production.

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Description

Zoom on the Honda EB4000X

In a nutshell, the Honda EB4000X is a portable generator mostly geared towards:

  • RV travellers who wish to upgrade their experience to another level
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • DIYers who wish to improve their efficiency with tools
  • Homeowners in need of an emergency backup power for their essentials
  • Professionals who want to ensure that a power failure will not prevent them from working

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 Honda EB4000X in use

The Honda EB4000X

The Honda EB4000X is powered by a 270 cc Honda iGX270 OHV 4-stroke engine. It delivers 120/240V, runs on gasoline and offers a running wattage of 3500W as well as a peak wattage of 4000W (and even up to 5000 W thanks to the iAVR technology).

The generator is rated for a noise of 61 dBA (just slightly more noisy than an office). Its starting mechanism is based on a simple traditional pull-start mechanism.

Thanks to a fuel capacity of 6.2 gallons, the EB4000X can operate for around 16 hours at 50% load with a full tank (fuel consumption around 0.39 GPH).

Outlets

The control panel features the upcoming 6 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle
120/240V 20A (L14-20R) receptacle

Even if this Honda generator isn't quite RV Ready, it still allows for an easy RV connection via an L5-30P to TT-30R adaptor, thanks to its L5-30R receptacle.

Portability

The design of the Honda EB4000X is a typical, open frame, with the dimensions of L41.9 x W27.2 x H29.2 in, offering support and stability and enabling the possibility of raising it above ground level. The design is ideal for rough environments and demanding outdoor use.

Although this generator is technically considered 'portable' (in the sense that it can be moved), its 185 lbs make it incredibly difficult to manually lift and transport. 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.

A lift hook located on the top of the frame offers an additional safety feature while facilitating the transport, loading and unloading of the generator.

Features

Panel of the Honda EB4000X

The EB4000X's control panel

A built-in fuel gauge allows for a quick, easy and convenient check of the fuel level of the generator.

Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off (Oil Alert®), which gives you a complete peace of mind when using it.

As for its accessories, apart from the previously mentioned features, the Honda EB4000X also comes with the basic documentation and an owner's manual (opens in a new tab), allowing you to start it right away. An official storage cover is available, as a separate purchase.

iAVR Technology

Honda’s iAVR (opens in a new tab) (Intelligent Automatic Voltage Regulation) reduces voltage fluctuation by up to 50% over current AVR systems.

In conventional generators, when a load is applied, the engine’s rpm drops, which causes the voltage and frequency to drop as well, until the rpm recovers.

iAVR is a combination of the DAVR (opens in a new tab) technology and the iGX (opens in a new tab) engine technology, which serves to provide advanced and instantaneous engine rpm control when a load is applied.

As a result, voltage and frequency are precisely regulated and the EB4000X is able to produce a starting wattage above the maximum rating, for up to 10 seconds. Therefore, thanks to iAVR, the EB4000X is able to “overclock” itself above its 4000 starting watts and provide up to 5000 W.

Emissions

The Honda EB4000X 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.

The Honda EB4000X versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Honda EB4000X compare to generators of similar power (between 3000 and 4000 W).

  • As its dry weight is 185 pounds, the Honda EB4000X is one of the heavier of the products which can generate 3000 to 4000 running watts. If weight is your top priority, one of the champions in this power category is the WEN GN400i, weighing just 66.1 pounds.
  • With a lowest possible noise of 61 dBA, this generator places itself amongst the more quiet of the products delivering similar power. For those who are looking for a less noisy device, we suggest the Cat INV4000E. With just 51 dBA, it is one of the most quiet devices in this power range.
  • Since the EB4000X boasts with a run time of around 16 hours at 50% load, it can be safely judged as one of the devices with the highest run time among those of a comparable output.
  • 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 generator is not fuel efficient compared to devices of similar output: its estimated fuel consumption stands at 0.39 GPH at a 50% load. If you wish to further improve in the area of fuel efficiency, the Westinghouse iGen4200, which boasts with a gas consumption of only 0.17 GPH, may be the right generator for you.

Price comparison

As you can see from this interactive chart, when compared to other 3000-4000W generators, the Honda EB4000X is on the average side of the price range.

Therefore, this generator nicely fits in the expected budget for this kind of product.

The bottom line

STRENGTHS:
  • In the expected price range
  • GFCI Outlets
  • iAVR technology
  • Quiet for its power (61 dBA)
  • High run time
WEAKNESSES:
  • No data center
  • No electric start
  • On the heavy side (185 lbs)
  • Low fuel efficiency

Do you own the Honda EB4000X 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
Engine270 cc Honda iGX270 OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120/240V 60 Hz
Running watts3500 W
Starting watts4000 W
Running amps (@120/240V)29.2/14.6 amps
Peaks amps (@120/240V)33.3/16.7 amps
Run time @50% load16 h
Run time @25% loadUnknown
Features
GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationiAVR
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
  • 1x 120/240V 20A (L14-20R)
DC outletsNo
Data centerNo
IndicatorsNo
Fuel tank6.2 gal
Fuel gaugeYes
Misc
Weight185 lbs
Approx. dimensions (L x W x H)41.9 x 27.2 x 29.2 in
Noise (lower limit)61 dBA
THDUnknown
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedWheel kit
Warranty3 years
SeriesIndustrial
Other model numbersEB4000XAT1

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 Honda

Founded in 1948, the Japanese Honda Motor Company has gained notoriety for consistently producing top quality engines, motor-powered vehicles and devices. Over the years, the company has gained a strong reputation in the motorcycle, automobile, but also power tool industry. Honda’s power tool division has been producing power tools since 1953, including tillers, mowers, blowers, sprayers and of course, power generators. While the company has expanded globally and moved a majority of its production out of Japan into other Asian countries, Honda is to this day known as a legend among the generator manufacturers.

Warranty Information

The Honda EB4000X is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Honda generators, please consult Honda's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-770-497-6400.

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 homeElectric fry pan15001500
Sump pump (1/2 hp)10502150
Refrigerator (energy star)1921192
Set of 5 LED light bulbs5555
Total2797 W3897 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Microwave (1000 watts)15001500
Radio100100
Total2790 W3380 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W
What is the difference between the EB4000, the EB4000X and the EB4000XAT1?

These model numbers refer to the same unit, but simply include more or less information regarding its specs, production batch, etc. Read how Honda name their generators.

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