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Honda EM5000SX Spec Review

The Honda EM5000SX is an open frame portable generator with a rated wattage of 4500 W and a starting wattage of 5000 W.

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Description

Zoom on the Honda EM5000SX

In summary, the Honda EM5000SX is a portable generator especially useful for:

  • RV travellers wishing to enhance their freedom and nomad lifestyle
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Professionals in need of safely powering high-intensity work or lighting equipment

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 Honda EM5000SX in use

The Honda EM5000SX

The Honda EM5000SX's engine, 389 cc Honda iGX390 OHV 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 4500W and reaches a peak wattage of 5000W.

The generator is rated for a noise of 63 dBA (just slightly more noisy than background music). Its starting mechanisms include a conventional pull-start mechanism and a convenient and easy-to-use electric starter (battery included). Moreover, to offer you even more convenience, the EM5000SX can also be remotely started (separate purchase).

With a full tank, the EM5000SX can operate for around 11.2 hours at 50% load (fuel consumption around 0.55 GPH), thanks to its fuel capacity of 6.2 gallons.

Outlets

The control panel features the following 6 AC outlets:

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

Additionally, it features 1 DC outlet: there's a 12V 8A output allowing you to easily charge your batteries.

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. Besides, because the EM5000SX 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

The design of the Honda EM5000SX is a typical, open frame, with the dimensions of L41.1 x W27.8 x H28.3 in, offering support and stability and enabling the possibility of raising it above ground level. The device has been designed for tough environments and demanding outdoor use.

Since the generator weighs 232 lbs, it will be incredibly difficult to manually lift it and transport it, even though it is technically considered to 'be portable' (in the sense that it is movable). Still, once it is on the ground, its wheel kit and its folding handle can easily solve the issue of low mobility and allow for easy relocation of the device.

Features

Panel of the Honda EM5000SX

The EM5000SX's control panel

Thanks to a built-in fuel gauge, the generator allows you to quickly, conveniently and easily check the gas level at a glance.

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

Regarding its accessories, besides the aforementioned features, the Honda EM5000SX's box includes the typical documentation and an owner's manual (opens in a new tab), letting you start it right off the bat.

CO Minder (new model)

Panel of the Honda EM5000SX with CO Minder

The control panel of the CO Minder version is slightly different

Note: The CO Minder is a new feature introduced in 2020 that is not yet present in all EM5000SX units. Make sure to select the "With CO Minder" tab above our retailers list if you wish to benefit from this feature.

Honda's CO Minder is a system that monitors the ambient carbon monoxide concentration, and automatically stops the engine if the sensor detects a CO level of or exceeding 800 parts per million (ppm) at a given time, or an average of 400 ppm for 10 minutes.

A CO alarm indicator will flash for about five minutes, during which it will be impossible to restart the engine.

While it’s a welcomed additional security feature, remember to always take your generator outside (opens in a new tab).

Honda My Generator App (new model)

Honda My Generator App

Honda My Generator helps you monitor your unit

The Honda My Generator App (available on iOS and Android) makes owning the EM5000SX (new version, with CO-Minder) even more flexible and convenient, whether you are depending on it at home during a power outage, or enjoying an adventure at a remote campsite.

The app connects your unit and your phone via Bluetooth, across a 75-foot line of sight, giving you valuable information about your generator's operation and many additional features in the palm of your hands.

With it, you can easily monitor a range of information such as output power, lifetime run hours, oil life, or estimated remaining runtime. You’ll also receive warnings and notifications to remind you of routine maintenance.

Even better, the app allows you to control multiple, compatible Honda generators from a single mobile device, and to remotely start and stop the EM5000SX without a key fob.

Emissions

The Honda EM5000SX is EPA-approved and CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

Moreover, it features a spark arrestor, making it usable in forested areas.

Product Videos

The Honda EM5000SX versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Honda EM5000SX compare to generators of similar power (between 4000 and 5000 W).

  • As its dry weight is 232 pounds, the Honda EM5000SX is one of the heavier of the products which can generate 4000 to 5000 running watts. If you are concerned by weight, one of the champions in the above mentioned power range is the Pulsar PG5250, with a dry weight of just 99.5 pounds.
  • As its lowest possible noise is rated at 63 dBA, this generator qualifies as one of the more quiet of the products of similar power. If noise emissions are important to you, one of the least noisy generators of this power range is the Yamaha EF4500iSE with only 58 dBA.
  • As the EM5000SX features an autonomy of around 11.2 hours at 50% load, it has a higher run time than an average generator of its power range. 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 Dewalt DXGN4500, with around 15 hours.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. This generator is somewhat less fuel efficient than devices of comparable output: its estimated fuel consumption reaches 0.55 GPH at a 50% load. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.33 GPH, the Pulsar PG5250B is a device you should look out for.

Here's a list of the most popular specific comparisons:

Price comparison

As you can see from this interactive chart, when compared to other 4000-5000W generators, the Honda EM5000SX is on the expensive side of the price range.

While certainly not the cheapest of its kind, purchasing it would most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • GFCI Outlets
  • Remote start capable
  • CO Minder (according to model)
  • Mobile app (according to model)
  • Quiet for its power (63 dBA)
  • High run time
WEAKNESSES:
  • On the expensive side
  • On the heavy side (232 lbs)
  • Low fuel efficiency

Do you own the Honda EM5000SX 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
Engine389 cc Honda iGX390 OHV 4-stroke
Starting systemRecoil, Electric, Remote
Power
VoltageAC: 120/240V 60 Hz, DC: 12V
Running watts4500 W
Starting watts5000 W
Running amps (@120/240V)37.5/18.8 amps
Peaks amps (@120/240V)41.7/20.8 amps
Run time @50% load11.2 h
Run time @25% loadN/A
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 30A (L14-30R)
DC outlets1x 12V 8A output
Data centerNo
IndicatorsNo
Fuel tank6.2 gal
Fuel gaugeYes
Misc
Weight232 lbs
Approx. dimensions (L x W x H)41.1 x 27.8 x 28.3 in
Noise (lower limit)63 dBA
THDUnknown
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedBattery
Warranty3 years
SeriesDeluxe
Other model numbersEM5000SXK3AT1, EM5000SX31, EM5000X3AG

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 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 EM5000SX 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 wattage calculator.
ItemRunning WattsStarting Watts
At homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Clothes iron12701270
Radio100100
Total3487 W4962 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Slow cooker270270
Pair of small speakers4545
Total3595 W4015 W
For workTable saw18004500
Electric fence (25 miles)250250
Bug zapper8080
Total2130 W4830 W
What is the difference between the EM5000S, the EM5000SX, the EM5000SXK3AT1, the EM5000SX31 and the EM5000X3AG?

The final "G" in "EM5000X3AG" indicates that the unit includes the CO Minder technology. Regarding the rest of the model names, as a rule of thumb, they refer to the unit itself, but simply include more or less information regarding its specs, production batch, etc. Read how Honda name their generators.

Did the Honda EM5000 are inverter? Silent? (Asked July 01, 2020)

The Honda EM5000 is not an inverter generator. It is rated at 63 dB(A).

Couldn't find the right answer for you? Ask your own question.

Your name and email address will not be publicly published. We only need them to be able to answer you directly.


Honda EM5000SX
9.3 Total Score
1 review
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Value
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1 Review
  1. 4.65
    Price
    70
    Value
    100
    Quality
    100
    Performance
    100

    Had this generator 4 years. Usually lose power about 3-5 hours once a month, winter time I usually lose power at least once for multiple days. Have a 1300sq.ft home, electric hot water, oven, and stove top, and water well. Never had an issue with output. Clean power. With it hooked up, its almost as if the power never went out. All my lights are LED, so that helps. I am mindful of what’s running at the same time. When taking a shower, you’ll hear the furnace fan and pellet stove fan have a little bit of drone to it until the hot water tank and well kick off, just too much demand. You can use a burner/oven/coffee pot/microwave (not all at the same time) and there is zero drone. If you’re mindful of what your doing and not running everything that’s high output at the same time, it’s a great machine, and it’s fantastic on gas usage. With it had a display or simple meter for wattage output. Fuel gauge is simple and easy to read, oil change is a breeze.

    + PROS:
    • Run time, easy quick start, noise, 7000 peak starting wattage.
    - CONS:
    • Price, no display for output
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