Generac’s 18.1 L 500 kW, 600 kW & 750 kW diesel generators deliver proven performance, durability, and scalability for large commercial and industrial operations. Designed and manufactured in Generac’s vertically integrated facilities, key components—including the alternator, control system, and enclosure—are engineered together to ensure seamless compatibility and superior quality. Easy to service and built to last, this generator provides the confidence your operation demands.
Proven 18.1 L Perkins Engine: Turbocharged and intercooled 6-cylinder engine delivers high efficiency, rapid load acceptance, and exceptional reliability under continuous operation.
POWERZONE® Pro Sync Controller: Advanced 7-inch color touchscreen controller with Modbus® RTU/TCP, Ethernet, and BMS integration—offering comprehensive system monitoring, diagnostics, and control.
Modular Power System (MPS) Paralleling: Easily scale capacity and redundancy with Generac’s plug-and-play MPS architecture, delivering up to 99.999% system reliability.
Industrial-Grade Alternator: Brushless permanent-magnet excitation design with Class H insulation and <3% THD provides clean, stable power for sensitive loads.
Engineered Enclosures: Generac-built steel and aluminum enclosures combine sound attenuation, corrosion resistance, and all-weather durability, available in multiple acoustic levels.
Performance
Prime Power Range: 540 kW Prime
Cooling System: Closed-Loop Pressurized with 50/50 Ethylene Glycol for reliability in all climates and reduced maintenance.
Fuel Type: Ultra-Low Sulfur Diesel (ASTM Specification) for a cleaner operation, regulatory compliance and equipment protection.
Sound Levels/Enclosures: Open and weather-protected enclosures with sound attenuation up to 75dBa at 23’ for stringent noise requirements.
Construction: Steel or aluminum with RhinoCoat™ powder-coated finish protects against rust, UV and weather for long-term durability
Product Snapshot
Power Nodes: 500 kW | 600 kW | 750 kW
Ideal For: Manufacturing plants, data centers, healthcare facilities, and municipal infrastructure requiring large-scale standby power.
Applications: Standby and parallel-ready systems where continuous reliability, serviceability, and scalability are critical.
Footprint: Open Unit Dims: 154 x 71 x 68" | SL2 Enclosed Dims: 290 x 71 x 151"
Operating Temperature: Up to 122 °F (50 °C) before derate
Certifications: EPA Certified Stationary Emergency, UL2200, NFPA 110 Compliant
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