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Powerhorse 4000 Spec Review

The Powerhorse 4000 is a compact open frame portable generator with a rated wattage of 3100 W and a starting wattage of 4000 W.

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Description

This Powerhorse Portable Generator provides clean, reliable electricity with less than 5% total harmonic distortion. 100% copper-wound generator head allows continuous operation without overheating. Features automatic voltage regulator with voltmeter and low oil shutdown.

Zoom on the Powerhorse 4000

In a nutshell, the Powerhorse 4000 is a compact portable generator mostly geared towards:

  • RV travellers looking for even more independence
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Handcrafting enthusiasts who wish to work on-the-go
  • Homeowners in need of an emergency backup power for their essentials

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 Powerhorse 4000 in use

The Powerhorse 4000

The Powerhorse 4000's engine, 212 cc OHV 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 3100W and reaches a peak wattage of 4000W.

With a noise rating of 95 dBA (which is pretty noisy), the generator features a conventional pull-start mechanism.

Thanks to a fuel capacity of 3.9 gallons, the 4000 can operate for around 10.6 hours at 50% load with a full tank (fuel consumption around 0.37 GPH).

Delicate electronics can be plugged in an AC outlets safely, as the 4000 generates a clean sine wave, reaching a <5% Total Harmonic Disruption (THD).

Outlets

The control panel features the upcoming 9 AC outlets:

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

Furthermore, it has 1 DC outlet: there's a 12V 8A (cigarette lighter style) receptacle allowing you to easily charge your batteries.

As it features a twist-lock L14-30R receptacle, the 4000 is transfer switch ready: in case of a power outage, you will be easily able to connect it to a breaker box and power your household.

Portability

The Powerhorse 4000 has the following dimensions: L25.4 x W18.8 x H19.8 in. In combination with its conventional, open frame design, they provide support and allow the generator to be raised above ground level. The generator is designed for ideal use outdoors and in rough environments.

Although this generator is technically considered 'portable' (in the sense that it can be moved), its 115 lbs make it incredibly difficult to manually lift and transport. 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 Powerhorse 4000

The 4000's control panel

The 4000 and its control panel include a handy voltmeter that allows you to easily monitor power output anytime. This feature comes handy when monitoring its status and activity.

In addition to this info, a light indicator shows you if the oil level is too low.

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

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

As for its accessories, apart from the previously mentioned features, the Powerhorse 4000 also comes with the basic documentation and an owner's manual (opens in a new tab), allowing you to start it right away.

Emissions

The Powerhorse 4000 is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor, which makes it suitable for use in forested areas.

Product Videos

The Powerhorse 4000 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Powerhorse 4000 compare to generators of similar power (between 2500 and 3500 W).

  • At a weight of 115 pounds, the Powerhorse 4000 places in the expected weight range of the generators in the 2500-3500 rated wattage range. In terms of weight, one of the champions in their power range is the WEN GN400i, standing at just 66.1 lbs.
  • Among the generators of a comparable running wattage, this generator with a lowest noise of 95 dBA can be judged as noisy. If noise emissions are one of your priorities, you may be interested in the Honda EU3000iS, one of the least noisy generators similarly powerful as this one, rated for 50 dBA.
  • The 4000, offering a run time of around 10.6 hours with a full tank at a 50% load, falls within the average autonomy range when compared to its peers. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Honda EB4000X, boasting with around 16 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 rather wasteful, compared to other devices within the aforementioned output range, when it comes to gasoline consumption, as it reaches roughly 0.37 GPH at a 50% load. If fuel consumption is your top priority, we suggest to check out the Westinghouse iGen4200, which has a fuel consumption of only 0.17 GPH and thus, is one of the most efficient devices in our database.

Price comparison

As you can see from this interactive chart, when compared to other 2500-3500W generators, the Powerhorse 4000 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
  • Clean sine wave
AVERAGE SPECS:
  • Decent weight (115 lbs)
  • Decent run time
WEAKNESSES:
  • No electric start
  • Not CARB-compliant
  • On the noisy side (95 dBA)
  • Low fuel efficiency

Do you own the Powerhorse 4000 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
Engine212 cc OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120/240V 60 Hz, DC: 12V
Running watts3100 W
Starting watts4000 W
Running amps (@120/240V)25.8/12.9 amps
Peaks amps (@120/240V)33.3/16.7 amps
Run time @50% load10.6 h
Run time @25% loadN/A
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 4x Duplex 120V 20A (5-20R)
  • 1x 120/240V 30A (L14-30R)
DC outlets1x 12V 8A (cigarette lighter style)
Data centerVoltmeter
IndicatorsLow oil
Fuel tankSteel, 3.9 gal
Fuel gaugeYes
Misc
Weight115 lbs
Approx. dimensions (L x W x H)25.4 x 18.8 x 19.8 in
Noise (lower limit)95 dBA
THD< 5%
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedNo
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.

About Powerhorse

Powerhorse is a trademarked brand name of gas-powered outdoor products owned and distributed by the Northern Tool & Equipment Company Inc. through their store locations and online. Powerhorse outdoor products include gas- and electric-powered tools including pressure washers, wood chippers/shredders, log splitters, electric generators and inverters. The product line also offers engines and water pumps. The brand's motto is "Power You Can Depend On".

Warranty Information

The Powerhorse 4000 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 Powerhorse generators, please contact the Powerhorse Customer Support: 1-866-443-2576.

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 homeElectric fry pan15001500
Refrigerator (energy star)1921192
Waffle iron750750
Cell phone charger2020
Total2462 W3462 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Toaster oven800800
Blender400850
Bug zapper8080
Total2470 W3060 W
For workGrinder14002500
Halogen work light10001000
Total2400 W3500 W

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