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Powerhorse 27000 - 18000/27000W Portable Generator

The Powerhorse 27000 is a powerful open frame generator with a rated wattage of 18,000 W and a starting wattage of 27,000 W.

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Description

This Powerhorse Generator with Electric Start delivers professional power for jobsite trailers, air compressors, large electric welders, air conditioners and more, plus reliable home backup power in emergencies. Less than 5% THD allows for safely running sensitive electronics. Ruggedly built with a heavy-duty steel frame with 13in. flat-free tires and folding handles for easy portability.

Zoom on the Powerhorse 27000

In a nutshell, the Powerhorse 27000 is a powerful portable generator mostly geared towards:

  • Professionals in need of safely powering high-intensity work or lighting equipment
  • Small homeowners in search of a full power backup solution

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 27000 in use

The Powerhorse 27000

The Powerhorse 27000's core is the 999 cc OHV V-Twin engine, which runs on gasoline. With an output of 120/240V, it provides a running wattage of 18,000W and a peak wattage of 27,000W.

This generator features a convenient and easy-to-use electric starter (battery included).

Thanks to a fuel capacity of 17.2 gallons, the 27000 can operate for around 8 hours at 50% load with a full tank (fuel consumption around 2.15 GPH).

Delicate electronics can be plugged in an AC outlets safely, as the 27000 generates a clean sine wave, reaching a <5% Total Harmonic Distortion (THD).

Outlets

The control panel features the following 8 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
Two 120V 30A (L5-30R) receptacles
120/240V 30A (L14-30R) receptacle
120/240V 50A (14-50R) receptacle

Additionally, it features 1 DC outlet: there's a 12V 8A receptacle with which charging your batteries is made easy.

This Powerhorse generator features an L5-30R receptacle, enabling an easy RV connection via an L5-30P to TT-30R adaptor. However, it is still not quite RV ready. Besides, as the 27000 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 design of the Powerhorse 27000 is a typical, open frame, with the dimensions of L37.8 x W25.5 x H32.6 in, offering support and stability and enabling the possibility of raising it above ground level. The generator is designed for ideal use outdoors and in rough environments.

While the generator is considered to be technically 'portable' (in the sense that you can move it), manually lifting and transporting it may be challenging, due to its high weight of 510 lbs. Nevertheless, it can still be moved quite conveniently with the help of its wheel kit (⌀13") and its folding handle, once it is placed on the ground.

Further safety during transport, loading and unloading of the device is provided by a lift hook, which is placed on the top of the generator's frame.

Features

Panel of the Powerhorse 27000

The 27000's control panel

The 27000 and its control panel include a convenient meter, which displays voltage, frequency and lifetime hours. This feature comes handy when monitoring its status and activity.

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 and an overload protection (circuit breaker), allowing you to use it with a peace of mind.

Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the Powerhorse 27000 also is packed along with the following accessories: funnel and battery charging cables.

Emissions

The Powerhorse 27000 is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

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

Product Video

The Powerhorse 27000 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Powerhorse 27000 compare to generators of similar power (between 14000 and 20000 W).

  • At a dry weight of 510 pounds, the Powerhorse 27000 is one of the heavier devices which can produce between 14000 and 20000 running watts. In terms of weight, one of the champions in their power range is the Generac GP15000E, standing at just 363 lbs.
  • As far as autonomy is concerned, providing around 8 hours of runtime with a full tank at a 50% load, the 27000 falls into the low end in comparison with other devices of a comparable power output. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the Westinghouse WGen20000, which is able to run for around 11 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 2.15 GPH at a 50% load. If you wish to acquire one of the most gasoline efficient products of this power range, the Generac GP15500EFI, with a fuel consumption of 1.29 GPH could be in your good books.

Price comparison

As you can see from this interactive chart, when compared to other 14000-20000W generators, the Powerhorse 27000 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
  • Several accessories included
  • GFCI Outlets
  • Electric start
  • Clean sine wave
WEAKNESSES:
  • No recoil back-up
  • No remote start
  • Not CARB-compliant
  • On the heavy side (510 lbs)
  • Relatively low run time
  • Low fuel efficiency

Do you own the Powerhorse 27000 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
Parallel capableNo
RV readyNo
FuelGasoline
Engine999 cc OHV V-Twin
Starting systemElectric
Warranty2 years
Power
VoltageAC: 120/240V 60 Hz, DC: 12V
Running watts18,000 W
Starting watts27,000 W
Running amps (@120/240V)150/75 amps
Peak amps (@120/240V)225/112.5 amps
Run time @50% load8 h
Run time @25% loadUnknown
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 2x 120V 30A (L5-30R)
  • 1x 120/240V 30A (L14-30R)
  • 1x 120/240V 50A (14-50R)
DC outlets1x 12V 8A receptacle
Data centerVFT
IndicatorsNo
Fuel tankSteel, 17.2 gal
Fuel gaugeYes
Misc
Weight510 lbs
Approx. dimensions (L x W x H)37.8 x 25.5 x 32.6 in
Noise (lower limit)Unknown
THD< 5%
ComplianceEPA
SecurityLow oil and overload protection
Spark arrestorYes
Accessories includedFunnel, battery charging cables, battery, and wheel kit
Country of originChina
Other model numbers99932

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 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". Powerhorse generators are engineered, developed and tested in Minnesota, but manufactured in China or Vietnam.

Warranty Information

The Powerhorse 27000 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 sizing calculator.
ItemRunning WattsStarting Watts
At homeDish washer15003000
AC (10,000 BTU)15002200
Electric fry pan15001500
Microwave (1000 watts)15001500
Sump pump (1/2 hp)10502150
Refrigerator (energy star)1921192
Clothes dryer54006750
Electric grill16501650
Radio100100
Total14392 W15892 W
For workElectric welder90009000
Table saw18004500
Air compressor (1 hp)16006100
Grinder14002500
Drain cleaner250250
Electric fence (25 miles)250250
Bug zapper8080
Total14380 W18880 W
I just purchased this Powerhorse 18000w generator. I'm wanting to power up my home. Will I need an inverter? (Asked January 30, 2021)

The unit has a THD below 5%, which is considered safe for powering appliances that contain sensitive electronic components. You shouldn't need an inverter.

Are there any fuel conversion kits to allow for this unit to run tri-fuel? (Asked March 04, 2021)

There are no official conversion kits.

Can it be shipped in British Columbia Canada? (Asked May 21, 2021)

Absolutely. Northern Tool ships to most countries all over the world, including Canada.

I purchased the 27000/18000 watt Powerhorse what size cord do I needed for backup power to my home, all I see are cords rated for 12500 watts (Asked July 10, 2022)

It's quite normal to find cords only rated for 12500 watts, since you won't get more than 12kW from a single outlet (240V*50A=12000).

How much oil does the machine need (Asked April 17, 2023)

Engine oil capacity is 2.6 qt.

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