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KOHLER 125 kW Generator

SKU: KG125R-QS1
Model: KG125R-QS1

$42,349.00

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.

Pickup and Delivery Available

Professional Installation, Right at Home.

Let a trusted local expert handle everything for you.

What to Expect

Reliable power starts here.

Whether you're preparing your home or protecting your business, our expert-recommended generators offer trusted backup when you need it most.

Expert help from start to finish.

Holly Companies provides full-service support—from helping you choose the right generator to professional installation, maintenance, and emergency service.

Shop with confidence.

Explore our curated selection of top-rated generator brands, compare specs, and get peace of mind with strong warranties and local support.

Reliable power for very large residential or small business needs. Built to weather the storms, our largest natural gas/liquid propane generators with industrial-grade engines keep your family comfortable and your business running when a utility failure or storm knocks out power.

Additional information

Weight 3340 lbs
Dimensions 138.8 × 45.4 × 65.5 in
Fuel Type

Liquid Propane or Natural Gas

Wattage

105 kW (LP) / 125 kW (NP)

Voltage

120/240 V Single-Phase

Noise Level (dB)

71 dB(A)

Transfer Switch Included

Sold Seperately

Monitoring Capabilities

Remote Monitor Sold Separately

Enclosure Material

Aluminum Steel

Certifications

EPACSAcUL Listed

Brand

Kohler

OVERVIEW

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.

THE POWER YOU NEED

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 provides delivers exceptional digital voltage and frequency regulation for smart appliances and electronics
Powered by Kohler KG6208THD industrial-grade engine; operation speed 1800 rpm

THE CONVENIENCES YOU EXPECT

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

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