Kohler 125KW 120/208V 3-Phase Standby Generator Steel New - KG125R-QS2
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: Delivers dependable standby power for commercial, industrial, and large residential needs.
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120/208 V 3‑Phase Power: Ideal for balanced three‑phase electrical systems and efficient load distribution.
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Rugged Steel Enclosure: Durable construction built to withstand outdoor conditions and extended use.
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Efficient & Quiet Operation: Optimized performance with reduced fuel consumption and lower noise levels.
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Service‑Friendly Access: Easy maintenance access reduces downtime and service costs.
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Kohler Engineering Confidence: Trusted build quality and industry‑leading reliability.
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Safety & Protection Features: Integrated safeguards support stable operation under varying conditions.
Q&A
Q: What is the Kohler 125KW KG125R-QS2 generator?
A: A brand-new, 125KW standby generator with 120/208V, 3-phase power, designed 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 features a rugged steel enclosure built for outdoor use.
Q: What are its key features?
A: 3-phase power, automatic transfer switch compatibility, durable steel enclosure, quiet operation, and high-load capacity for commercial backup.
Q: Who is it for?
A: Ideal 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: Change engine oil and filters every 200–250 hours or annually.
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Air Filter: Clean or replace every 250 hours to maintain optimal airflow.
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Battery & Electrical: Test battery monthly, clean terminals, and monitor control panel for alerts.
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Cooling System: Inspect 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: Schedule annual inspection by a certified Kohler technician.
Damage 
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