Kohler 125KW 277/480V 3-Phase Standby Generator Steel New - KG125R-QS4
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.
What our Experts Think
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Reliable 125 kW Output: Strong performance for commercial and industrial standby power needs.
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277/480 V 3‑Phase Capability: Ideal for high‑voltage applications and balanced load distribution.
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Heavy‑Duty Steel Enclosure: Rugged construction designed for outdoor durability.
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Optimized for Efficiency: Delivers consistent power with reduced noise and fuel consumption.
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Service‑Friendly Layout: Easy access for maintenance and routine checks.
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Kohler’s Proven Quality: Built to Kohler’s exacting standards for long‑term reliability.
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Peace of Mind: Advanced safety and protection features enhance operational stability.
Q&A
Q: What is the Kohler 125KW KG125R-QS4 generator?
A: A brand-new, 125KW standby generator with 277/480V, 3-phase power, built for reliable commercial and industrial backup energy.
Q: What fuel does it use?
A: Natural gas or LP, depending on configuration.
Q: Is it suitable for outdoor installation?
A: Yes, it comes in a durable steel enclosure designed for outdoor environments.
Q: What are its key features?
A: 3-phase power, automatic transfer switch compatibility, rugged steel enclosure, quiet operation, and high-load capacity for commercial backup.
Q: Who is it for?
A: Perfect for businesses, data centers, healthcare facilities, and large properties requiring uninterrupted power.
Maintenance Tips
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Weekly Checks: Inspect oil, coolant, and fuel levels; watch for leaks or corrosion.
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Oil & Filters: Replace engine oil and filters every 200–250 hours or annually.
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Air Filter: Clean or replace every 250 hours to maintain airflow.
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Battery & Electrical: Test battery monthly, clean terminals, and monitor control panel for alerts.
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Cooling System: Check radiator and hoses; flush coolant every 2 years.
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Routine Exercise: Run generator under load 30 minutes monthly to ensure readiness.
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Professional Service: Arrange yearly inspection by a certified Kohler technician.
Damage 
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