Scalable Power. Proven Performance.

Generac’s 10.3 L 275 kW & 300 kW industrial diesel generators deliver robust, reliable standby power with the flexibility to scale as your needs grow. Generac’s Modular Power System (MPS) architecture makes it simple to expand capacity — connecting additional units, even across fuel types, for extended runtime and cost-efficient redundancy.

Features & Benefits

Proven 10.3 L Diesel Engine: Turbocharged, aftercooled 6-cylinder engine delivers exceptional load response, steady power output, and low fuel consumption for critical operations.

Deep Sea G8601 Controller: Advanced control platform with PLC functionality, Modbus® RTU/TCP, SNMP, integrated data logging, and on-screen system mimic (SLDs).

Integrated Paralleling Capability: Modular Power System (MPS) design enables “plug-and-play” scalability with up to 99.999% reliability — supporting diesel, natural gas and LP configurations. 

Industrial Alternator: Brushless permanent-magnet excitation alternator with Class H insulation and <5% THD ensures clean, stable power for sensitive equipment.

Engineered Enclosures: Generac-built enclosures feature sound-absorbing materials, corrosion-resistant coatings, and extreme weather protection. 

Performance

Sound Levels/Enclosures: Open and Weather-Protected through Level 2 Sound-Attenuated Enclosures for stringent noise requirments.

Construction: Steel or aluminum with RhinoCoat™ powder-coated finish protects against rust, UV and weather for long-term durability

Product Snapshot

Power Nodes: 275 kW | 300 kW

Ideal For: Healthcare facilities, municipal sites, water utilities, small manufacturing, and commercial buildings requiring clean, reliable backup power

Applications: Standby and parallel-ready systems where expandability, efficiency, and long-term reliability are critical.

Footprint: Engineered with multiple enclosures with space efficient designs

Operating Temperature: Up to 122 °F (50 °C) before derate

Certifications: EPA Certified Stationary Emergency, UL2200, NFPA 110 Compliant