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Powerhorse 4000 Spec Review

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

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Set an alert for the Powerhorse 4000 - Current lowest price: $499.99
Price History
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Price history for the Powerhorse 4000
Latest updates:
  • $499.99 - May 6, 2021
  • $469.99 - March 11, 2021
  • $519.99 - February 18, 2021
  • $499.99 - January 14, 2021
  • $469.99 - January 12, 2021
  • $499.99 - December 17, 2020
  • $519.99 - November 24, 2020
Data source: northerntool.com
Since: November 24, 2020
  • Highest Price: $519.99 - November 24, 2020
  • Lowest Price: $469.99 - January 12, 2021

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 summary, the Powerhorse 4000 is a compact portable generator especially useful for:

  • RV travellers wishing to enhance their freedom and nomad lifestyle
  • People occasionally participating in outdoor fairs, festivals or events
  • Handcrafting enthusiasts who wish to work on-the-go
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout

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 Powerhorse 4000 in use

The Powerhorse 4000

The Powerhorse 4000's design includes a gasoline-fueled 212 cc OHV 4-stroke engine. With a 120/240V output, it gives a running wattage of 3100W and also a peak wattage of 4000W.

At a noise rating of 95 dBA (which is pretty noisy), the generator is started via a simple traditional pull-start mechanism.

With a fuel capacity of 3.9 gallons, the 4000 may run for around 10.6 hours at 50% load with a full tank (fuel consumption around 0.37 GPH).

Sensitive electronics can be safely plugged in the AC outlets, as the 4000 produces a clean sine wave, with a <5% Total Harmonic Disruption (THD).

Outlets

The control panel provides the upcoming 9 AC outlets:

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

It also sports 1 DC outlet: there's a 12V 8A (cigarette lighter style) receptacle with which you may charge your batteries with ease.

As the 4000 holds a twist-lock L14-30R receptacle, it is transfer switch ready: you'll easily be able to connect it to your breaker box to power your home during a power outage.

Portability

The Powerhorse 4000 has a conventional, open frame design, of the following dimensions: L25.4 x W18.8 x H19.8 in, which offers support and allows it to be raised above ground level. The design is ideal for rough environments and demanding outdoor use.

Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 115 pounds. However, its challenging mobility is solved by its wheel kit and its folding handle, which will ease its displacement, once it is on the floor.

Features

Panel of the Powerhorse 4000

The 4000's control panel

The 4000's control center features a handy voltmeter that allows you to easily monitor power output anytime to aid you with the monitoring of its status and activity.

In addition to this info, a light indicator serves to show you when the oil level is too low.

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

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

Along with the aforementioned features, from an accessory standpoint, the Powerhorse 4000's box includes the typical documentation and an owner's manual (opens in a new tab), which will help you start your generator promptly.

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, making it usable 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).

  • Having a dry weight of 115 lbs, the Powerhorse 4000 belongs in the expected weight range for generators which produce 2500 to 3500 rated watts. If weight matters to you, one of the champions in this power range is the Generac GP3300i with only 59.5 pounds.
  • When compared to devices able to produce a similar running wattage, this generator and its lowest emitted noise of 95 dBA is on the noisier side. 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.
  • As the 4000 offers around 10.6 hours run time on a full tank at a 50% load, it falls within the average autonomy range among the generators of a similar power. 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.
  • 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 0.37 GPH at a 50% load. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Westinghouse iGen4200. With a fuel consumption of as little as 0.17 GPH, it is one of the most efficient generators currently on the market.

Price comparison

As you can see from this interactive chart, when compared to other 2500-3500W generators, the Powerhorse 4000 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
  • 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
Peak amps (@120/240V)33.3/16.7 amps
Run time @50% load10.6 h
Run time @25% loadUnknown
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 includedWheel kit
Warranty2 years
Other model numbers750138

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 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 generator sizer.
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
How many hours to run before changing oil (Asked October 11, 2020)

Oil change schedule is detailed page 40 of the owner's manual (opens in a new tab).

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

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Powerhorse 4000
7.5 Total Score
1 review
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Price
7
Value
6
Quality
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Performance
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1 Review
  1. 3.75
    Price
    70
    Value
    60
    Quality
    80
    Performance
    90

    During a recent arctic blast the temperatures dropped to 2°- 4° F. Grid power went out. I could not get my 4000 to start. I even brought it indoors (50°F and falling) to warm it up…53 hours later, the power came back. The generator was useless. It had a total of 4.5 hours run time and meticulously maintained.

    + PROS:
    • Lots of plugs,easy to use.
    - CONS:
    • Extremly sensitive to cold temperatures. It wont start in sub freezing temperatures.
    Helpful(0) Unhelpful(0)You have already voted this

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