Kohler 80KW 120/240V Single Phase Standby Generator Steel New - KG80R-QS
Reliable power for very large residential or small business needs. Built to weather the storms, hard-working 80 kW KOHLER 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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Commercial‑class 80 kW standby power
The Kohler 80 kW 120/240 V Standby Generator (KG80R‑QS) delivers robust 120/240 V single‑phase backup, ideal for very large homes, light commercial spaces, small business electrical systems, and critical loads that require dependable emergency power when utility service fails.
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Industrial‑grade liquid‑cooled engine
Equipped with a Kohler 6.2 L liquid‑cooled engine running at 1800 RPM, this unit ensures cooler and quieter operation, fuel efficiency, and long‑term durability compared with air‑cooled counterparts.
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Clean and stable electrical output
Advanced alternator design with tight voltage/frequency regulation and ultra‑low total harmonic distortion delivers clean power, protecting sensitive electronics, servers, and smart systems under heavy load conditions.
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Fast automatic standby response
The Fast‑Response® X excitation system brings the generator up to full rated load within ~10 seconds of a utility outage, minimizing disruption to critical circuits.
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APM402 controller with diagnostics
Provides advanced controller functions, local display data, diagnostics, and optional remote communication interfaces, simplifying monitoring and maintenance.
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Rugged steel enclosure with acoustic control
Sound‑attenuating steel housing with corrosion‑resistant finish and internal silencers keeps noise around ≈68 dB @ 7 m, making it feasible for outdoor placement near occupied areas.
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Dual‑fuel flexibility (NG/LP)
Operates on natural gas or liquid propane (LP) with simple field conversion—allowing installation flexibility and continuity during extended outages.
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Pre‑installed block heater
Improves cold‑weather starting and warm‑up times, enhancing reliability in climates with lower temperatures.
Q&A
Q: What power output does this 80 kW generator provide?
A: It delivers 80 kW (80,000 W) of continuous standby power at 120/240 V single‑phase, perfect for very large homes or light commercial backup systems.
Q: What fuel does it use?
A: It runs on clean‑burning natural gas or liquid propane (LP) with simple field conversion while maintaining emission certification.
Q: What type of engine and performance features are included?
A: It’s powered by an industrial‑grade Kohler 6.2 L liquid‑cooled engine with hydraulic valve lifters, and has advanced power regulation for clean, stable output with ultra‑low harmonic distortion.
Q: How quickly does it respond to power outages?
A: When paired with an automatic transfer switch (sold separately), it accepts full load and restores power in about 10 seconds.
Q: How durable and weather‑ready is the enclosure?
A: The sound‑attenuating steel enclosure has a corrosion‑resistant powder‑baked finish and internal silencer, keeping noise under ~68 dB at 7 m and ensuring long‑lasting performance.
Q: What control and monitoring features are included?
A: It comes with a Kohler APM402 controller for system monitoring, diagnostics, and remote communication via PC/network interfaces (remote monitoring sold separately).
Q: Is a block heater included?
A: Yes — a pre‑installed block heater supports easier starting and quicker warm‑ups in cooler conditions.
Maintenance Tips
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Regular Oil & Filter Changes: Change engine oil and filters every 100–200 hours or annually to protect the industrial V‑8 liquid‑cooled engine and extend service life.
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Coolant System Checks: Maintain proper coolant level and flush periodically to prevent overheating and ensure efficient cooling under load.
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Controller & Diagnostics Monitoring: Use the APM402 controller to review system diagnostics, check fault logs, and plan preventive maintenance.
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Air Filter & Ignition Checks: Inspect and replace air filters and spark plugs regularly to ensure efficient combustion, reliable starting, and fuel economy.
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Weekly Exercise Runs: Run automatic or manual exercise cycles weekly to keep internal components lubricated and avoid moisture buildup in the engine.
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Load Testing: Periodically test under actual load to confirm stable 120/240 V output and frequency regulation for sensitive devices.
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Fuel System Maintenance (NG/LP): Check fuel lines and pressure for clean, consistent delivery to prevent performance issues.
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Battery & Electrical Connections: Verify battery charge, clean terminals, and tighten connections for reliable automatic starts and controller communication.
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Enclosure & Ventilation Care: Keep the steel sound‑attenuating enclosure clean and free of debris to promote airflow and prevent corrosion.
