Kohler KG125R-QS4 125KW 277/480V 3-Phase Standby Generator Steel New

Manufacturer: Kohler


Kohler KG125R-QS4 125KW 277/480V 3-Phase Standby Generator Steel New
Kohler KG125R-QS4 125KW 277/480V 3-Phase Standby Generator Steel New


(888) 999-1522

$ 35,900.00

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Kohler KG125R-QS4 125KW 277/480V 3-Phase Standby Generator Steel New

Kohler KG125R-QS4 125KW 277/480V 3-Phase Standby Generator Steel New

Product Overview

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.

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5 year comprehensive warranty


Remote Monitoring


Brand new in box


Free shipping


Works with liquid propane or natural gas


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  • Kohler® 125kW Light Commercial Emergency Generator
  • For commercial buildings with 277/480V 3-Phase service
  • Premium 5-Year / 2000 Hour Limited Warranty
  • Backed by Kohler's extraordinary reliability & performance
  • Runs on Clean Burning Natural Gas & LP Vapor
  • Simple field conversion, while maintaining emission certification
  • Industrial-Grade, Kohler® 6.2L Liquid-Cooled Engine
  • Powerful, reliable Industrial-Grade design w/ hydraulic valve lifters
  • Runs at 1800 RPM for fuel efficient and quieter operation
  • Remarkable Power Quality
  • Exceptional voltage & frequency regulation w/ ultra-low THD
  • Clean power for even the most sensitive electronics
  • Fast-Response® X Excitation System
  • Easily handle full loads within 10 seconds
  • Kohler® APM402 Controller
  • Provides advanced control, system monitoring & system diagnostics
  • Integrated hybrid voltage regulator with +/- 0.5% regulation
  • Remote communication thru a PC via network / serial configuration
  • Digital Display & Menu Control
  • Provides easy to read local data access
  • Sound-Attenuating Steel Enclosure
  • Fade, scratch, & corrosion-resistant powder-baked finish
  • Internal silencer & acoustic insulation keeps dB under 70 @ 7M
  • Local Emergency Stop Switch
  • Provides added safety when generator is operating
  • Includes Pre-Installed Block Heater
  • Provides easier generator starting & quicker warm up times
  • Not Compatible For Off-Grid Applications
  • Approved for stationary standby applications in locations served by a reliable utility source
  • Please Note - Requires Loading Dock, Forklift or Crane For Delivery


Rated Amps 188 Amps
Decibel Rating @ 7m 71 dbA
Transfer Switch Automatic (Not Included)
Battery Not Included (650 CCA)
Enclosure Steel
Mounting Pad Concrete (Not Included)
Cooling System Liquid Cooled
UL Listed Yes
Grade Type Emergency
Wi-Fi Remote Monitoring Sold Separately
Engine Brand Kohler
Starting System 12v Auto Start
CC 6200 CC
Engine RPM 1800 RPM
Low Oil Alert/Shutdown Yes
Product Category Generator - Standby
Weight 3562 Pounds
Made in USA Yes
Consumer Warranty 5 Years
Commercial Warranty 5 Years
Product Style Standby Generator
Product Length 138.8 Inches
Product Width 45.4 Inches
Product Height 65.5 Inches
Voltage 277/480 Three-Phase
Frequency 60 Hertz
Rated Watts 125000 Watts
Fuel Type LP/Natural Gas
NG Power Capacity 125000 Watts
LP Power Capacity 125000 Watts
NG Fuel Consumption @ 50% Load 1084 ft³/hr
NG Fuel Consumption @ 100% Load 1678 ft³/hr
LP Fuel Consumption @ 50% Load 11 gallons/hr
LP Fuel Consumption @ 100% Load 18.8 gallons/hr

Package Contents

Kohler KG125R-QS4 125KW 277/480V 3-Phase Standby Generator Steel

User's manual


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This item comes with a 5 year comprehensive warranty.

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