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KOHLER PRO9.0 Spec Review

The KOHLER PRO9.0 is a portable open frame generator with a rated wattage of 7200 W and a starting wattage of 9000 W.

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Description

Zoom on the KOHLER PRO9.0

In summary, the KOHLER PRO9.0 is a portable generator especially useful for:

  • Food van owners who know that just a short power outage could lose them hundreds of dollars
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Professionals who want to ensure that a power failure will not prevent them from working

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.

Power & Run Time

The KOHLER PRO9.0's design includes a gasoline-fueled 429 cc KOHLER Command PRO® OHV 4-stroke engine. With a 120/240V output, it gives a running wattage of 7200W and also a peak wattage of 9000W.

The generator features a simple traditional pull-start mechanism. It is rated for a noise of 78.2 dBA (less noisy than a dishwasher).

With a full tank, the PRO9.0 can operate for around 11 hours at 50% load (fuel consumption around 0.73 GPH), thanks to its fuel capacity of 8 gallons. Refilling the fuel tank is facilitated by KOHLER’s Accu-Fill™ technology. It offers a 45% larger angled fuel inlet, which allows for an easier and safer pouring of gasoline as well as less spilling.

As the PRO9.0 has a relatively high THD (<6%), it is not recommended to use it to power sensitive electronic devices.

Outlets

The control panel provides the upcoming 6 AC outlets:

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

This KOHLER 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, because the PRO9.0 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 dimensions of the KOHLER PRO9.0, which are L29.4 x W21.4 x H22.3 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. The device has been designed for tough environments and demanding outdoor use.

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 202 lbs. However, its challenging mobility is solved by its wheel kit (⌀10") and its folding handle, which will ease its displacement, once it is on the floor.

Features

Panel of the KOHLER PRO9.0

The PRO9.0's control panel

One of the many PRO9.0's features is the data center (Maintenance Minder), included in its control panel, which conveniently provides information on the lifetime run hours and thus, helps you monitor its activity and status.

In addition to this info, the device’s light indicator will display if its oil levels are insufficient.

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 Sentry™ technology), which gives you a complete peace of mind when using it.

As for its accessories, apart from the previously mentioned features, the KOHLER PRO9.0 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 KOHLER PRO9.0 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 KOHLER PRO9.0 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the KOHLER PRO9.0 compare to generators of similar power (between 6500 and 7500 W).

  • Having a dry weight of 202 lbs, the KOHLER PRO9.0 belongs in the expected weight range for generators which produce 6500 to 7500 rated watts. If weight is your top priority, one of the champions in this power category is the Sportsman GEN85KIDF, weighing just 133 pounds.
  • As this generator has its lowest possible noise of 78.2 dBA, it should be considered noisier compared to its peers of a comparable running wattage. If you’d prefer a less noisy device, one of the most quiet devices, which share the same power range with this one, is the Powerhorse 7500i, whose lowest noise levels reach just 55 dBA.
  • The PRO9.0, offering a run time of around 11 hours with a full tank at a 50% load, falls within the average autonomy range when compared to its peers. 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 Generac XC6500, with around 14 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 somewhat less fuel efficient than devices of comparable output: its estimated fuel consumption reaches 0.73 GPH at a 50% load. If you wish to acquire one of the most gasoline efficient products of this power range, the Lifan ESI 7000iER-EFI, with a fuel consumption of 0.38 GPH could be in your good books.

Price comparison

As you can see from this interactive chart, when compared to other 6500-7500W generators, the KOHLER PRO9.0 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
AVERAGE SPECS:
  • Decent weight (202 lbs)
  • Decent run time
WEAKNESSES:
  • No electric start
  • On the noisy side (78.2 dBA)
  • Low fuel efficiency

Do you own the KOHLER PRO9.0 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
Engine429 cc KOHLER Command PRO® OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120/240V 60 Hz
Running watts7200 W
Starting watts9000 W
Running amps (@120/240V)60/30 amps
Peak amps (@120/240V)75/37.5 amps
Run time @50% load11 h
Run time @25% loadUnknown
Features
GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 30A (L14-30R)
  • 1x 120V 30A (L5-30R)
DC outletsNo
Data centerLifetime run hours
IndicatorsLow oil
Fuel tank8 gal
Fuel gaugeYes
Misc
Weight202 lbs
Approx. dimensions (L x W x H)29.4 x 21.4 x 22.3 in
Noise (lower limit)78.2 dBA
THD< 6%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedWheel kit
Warranty3 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.

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About KOHLER

Kohler Co., founded in 1873 by John Michael Kohler, has been one of the leading US manufacturing companies for over a century, with its products ranging from furniture to power generators. Its American based Kohler Power division focuses on the latter, scaling from portable generators to industrial-scale devices. Its rich history and great reputation serve as a testament to the quality of their products. The company has in recent years outsourced some of its production overseas, to China, but US made generators can still be found among their product selection.

Warranty Information

The KOHLER PRO9.0 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 KOHLER generators, please consult KOHLER's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-544-2444.

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 homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Electric range21002100
Electric fry pan15001500
Fan40120
Total5757 W7232 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Toaster oven800800
Total5730 W6150 W
For workTable saw18004500
Air compressor (1 hp)16006100
Concrete vibrator (1 hp)10801080
Total4480 W8980 W

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