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Starting at $36,635* MSRP

  • Model Number: KG125R
  • Fuel Type: Natural Gas, LPG
  • Phase: Single Phase or Three Phase
  • ATS: Sold Separately
  • Remote Monitoring: Sold Separately
  • Specifications Sheet

Why KOHLER generators?

Extreme Durability.

Every KOHLER® KGR generator undergoes rigorous durability and reliability testing, ensuring longevity. The heavy-duty industrial liquid-cooled engine performs exceptionally well during long runs in extreme heat conditions.

Smart.

You get steady, high-quality power that protects your electronics from damage.

Advanced.

The APM402 controller with patented software is compatible with optional accessories that let you monitor your system remotely through your PC.

Premium Warranty.

We've got you covered with 5-year, 2,000-hour protection.

A popular choice for light commercial applications. System is NFPA 110, level 1 approved when equipped with the necessary accessories and installed per NFPA standards.

Excellent peak motor-starting capacity: KG125R: 440kVA at 240V.

Premium power quality Fast-Response™ permeant magnet excitation delivers exceptional digital voltage and frequency regulation for smart appliances and electronics.

Powered by Kohler KG6208THD industrial-grade engine; operation speed 1800 rpm.

The APM402 controller provides advanced control, system monitoring and system diagnostics with remote-monitoring capability.

Quiet, neighborhood-friendly operation with sound similar to a typical central air conditioner.

Standard steel enclosure with automotive-grade paint.

Optional corrosion-resistant aluminum enclosure.

Runs on either natural gas or liquid propane (LPG); simple switching between natural gas and LPG in the field.

KG125R Home Generator
Ownership Materials

Installation Manual

Step-by-step instructions for installation of our backup generators.

Operation Manual

Instructions for operating and troubleshooting our backup generators.

Assembly Drawing

Detailed schematics to help you with maintenance and component replacement.

Product Warranty Registration

Register your generator for faster warranty response and additional product updates.

Maintenance

Instructions about the maintenance schedule and general procedures for your generator.

Frequently Asked Questions

Find answers to your most commonly asked questions.

Power in the Palm
of Your Hand

Our OnCue® Plus app allows you to monitor your generator from your computer or mobile device. You can check the status of your generator, start or stop an exercise, check the oil temperature, contact your dealer, and so much more.

App Store Google Play

Product Warranty Registration

Register your generator for faster warranty response and additional product updates.

Frequently Asked Questions

Find answers to your most commonly asked questions.

Connected Home

OnCue Plus Guide

OnCue Plus Manual

Updating Firmware for RDC/DC2 Controllers

Get a KOHLER Home Generator.

  1. Contact - Fill out this form or call 844-844-1732 to request a FREE consultation from your local KOHLER dealer.
  2. Consult - Your local KOHLER dealer will provide a comprehensive power evaluation and quote.
  3. Install - Once you’ve chosen your generator, your local dealer will install it.
Get a Free Quote

Need help with a home generator?

Home Energy
Help & Support

Call Our Team
1-800-544-2444

Kohler Home Energy Customer Care Center

Monday–Friday 7:30am–5pm (CT)
Email: generator.feedback@kohler.com

* Starting price in U.S. dollars. Does not include installation, automatic transfer switch, accessories, or costs to export outside the U.S.