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KOHLER PRO12.3EFI Spec Review

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The KOHLER PRO12.3EFI is a powerful open frame portable generator with a rated wattage of 10500 W and a starting wattage of 12300 W.

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Description

Zoom on the KOHLER PRO12.3EFI

In a nutshell, the KOHLER PRO12.3EFI is a powerful portable generator mostly geared towards:

  • Professionals who want to ensure that a power failure will not prevent them from working
  • Prudent homeowners who want a backup power source in case of a power outage

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 KOHLER PRO12.3EFI in use

The KOHLER PRO12.3EFI

The KOHLER PRO12.3EFI is powered by a 694 cc KOHLER Command PRO® EFI OHV 4-stroke engine. It delivers 120/240V, runs on gasoline and offers a running wattage of 10500W as well as a peak wattage of 12300W.

Enjoying a noise rating of 79.9 dBA (less noisy than a dishwasher), this generator can be started thanks to a conventional pull-start mechanism, but also to a simple and elegant electric starter (battery included). To add further convenience, the PRO12.3EFI can be remotely started (separate purchase).

Thanks to a fuel capacity of 8.7 gallons, the PRO12.3EFI can operate for around 10 hours at 50% load with a full tank (fuel consumption around 0.87 GPH). 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.

The PRO12.3EFI produces a clean sine wave: thanks to a <5% Total Harmonic Disruption (THD), your sensitive electronics can be safely plugged in the AC outlets.

The generator will allow you to simultaneously power various devices, for example:Note: All of these devices might not start simultaneously. Provided examples are based on a maximum load of 75 % and estimated wattages. With the help of our wattage calculator you can find out if this product suits your requirements.

Outlets

The control panel provides the upcoming 7 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle
120/240V 30A (L14-30R) receptacle
120/240V 50A (SS2-50R) receptacle

Furthermore, it has 1 DC outlet: there's a 12V 8A receptacle with which you may charge your batteries with ease.

Even if this KOHLER 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, due to the featured twist-lock L14-30R receptacle, the PRO12.3EFI is transfer switch ready: you may connect it to a breaker box to power your household during a power outage.

Portability

The design of the KOHLER PRO12.3EFI is a typical, open frame, with the dimensions of L35.2 x W22.4 x H30.3 in, offering support and stability and enabling the possibility of raising it above ground level. The design is ideal for rough environments and demanding outdoor use.

Since the generator weighs 306 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). However, its challenging mobility is solved by a wheel kit, which will ease its displacement, once it is on the floor.

Features

Panel of the KOHLER PRO12.3EFI

The PRO12.3EFI's control panel

An illuminated data center, one of the features of the PRO12.3EFI’s control panel, gives you information on the lifetime run hours, and thus, is helpful for the monitoring of its activity and status.

The generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.

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

Regarding its accessories, besides the aforementioned features, the KOHLER PRO12.3EFI's box includes the typical documentation and a user manual, letting you start it right off the bat.

Emissions

The KOHLER PRO12.3EFI is EPA-approved and CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

The KOHLER PRO12.3EFI versus other generators

The following charts are provided to give you an idea of how some of the key specs of the KOHLER PRO12.3EFI compare to generators of similar power (between 10000 and 11000 W).

  • Considering its dry weight of 306 pounds, the KOHLER PRO12.3EFI is one of the heavier generators producing between 10000 and 11000 running watts. In terms of weight, one of the champions in their power range is the A-iPower SUA13000EFI, standing at just 218 lbs.
  • This generator, with its lowest possible noise rated at 79.9 dBA falls into the more noisy category, compared to other devise of a similar running wattage. For those who are looking for a less noisy device, we suggest the A-iPower SUA13000EFI. With just 69 dBA, it is one of the most quiet devices in this power range.
  • The PRO12.3EFI provides a higher run time than similarly powerful devices, reaching 10 hours at 50% load.
  • 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 At an estimated fuel consumption 0.87 GPH (gallon per hour) at 50% load, this generator is a rather fuel efficient one within its wattage category. If you wish to acquire one of the most gasoline efficient products of this power range, the A-iPower SUA13000EFI, with a fuel consumption of 0.78 GPH could be in your good books.

Price comparison

As you can see from this dynamic chart, when compared to other 10000-11000W generators, the KOHLER PRO12.3EFI 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:
  • Remote start capable
  • Clean sine wave
  • High run time
  • Fuel efficient
WEAKNESSES:
  • On the expensive side
  • No spark arrestor
  • On the heavy side (306 lbs)
  • On the noisy side (79.9 dBA)

Do you own the KOHLER PRO12.3EFI and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Where to buy the KOHLER PRO12.3EFI?

You can easily buy your KOHLER generator online. You will benefit from a convenient delivery and avoid carrying the heavy package yourself. Here is a reliable online seller:
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Features and Specifications

General

InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine694 cc KOHLER Command PRO® EFI OHV 4-stroke
Starting systemRecoil, Electric, Remote

Power

VoltageAC: 120/240V 60 Hz, DC: 12V
Running watts10500 W
Starting watts12300 W
Running amps (@120/240V)87.5/43.8 amps
Peaks amps (@120/240V)102.5/51.3 amps
Run time @50% load10 h
Run time @25% loadN/A

Features

GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets2x Duplex 120V 20A (5-20R) GFCI
1x 120V 30A (L5-30R)
1x 120/240V 30A (L14-30R)
1x 120/240V 50A (SS2-50R)
DC outlets1x 12V 8A receptacle
Data centerLifetime run hours
IndicatorsNo
Fuel tank8.7 gal
Fuel gaugeYes

Misc

Weight306 lbs
Dimensions (L x W x H)35.2 x 22.4 x 30.3 in
Noise (lower limit)79.9 dBA
THD< 5%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorNo
NeutralBonded to frame
Accessories includedNo
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.

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 PRO12.3EFI 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. Alternatively, you can also contact their Customer Support: 1-800-544-2444.

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