20kW Diesel Generator | Generac Industrial 2.2L Perkins Engine
The Generac 20kW diesel generator with a 2.2L Perkins engine is a high-performance industrial power unit engineered for facilities and businesses that demand continuous and reliable backup energy. Delivering 20,000 running watts and prime ratings of 18kW and 25kVA, this generator supports critical operations during power outages or remote work situations. Built with a 4-cylinder in-line Perkins diesel engine, it offers exceptional longevity, fuel efficiency, and the robust performance required for industrial, commercial, and mission-critical applications such as manufacturing plants, refrigerated warehouses, and construction sites.
Generac constructs its own heavy-duty enclosures using steel or aluminum, ensuring superior protection against wind, rain, snow, and environmental challenges while offering easy access for routine maintenance. These enclosures reduce operational noise, improve cooling, and enhance durability, making the unit suitable for both continuous-duty and standby applications. The inclusion of the Power Zone® 410 digital controller provides operators with advanced monitoring and control options, ensuring safety, performance tracking, and load adaptability for varied energy needs.
Generac’s industrial alternators, machine wound and varnished for enhanced resilience, ensure stable, dependable output even under extreme operational demands. Operating at 60 Hz, this model integrates seamlessly with North American electrical standards, offering scalable solutions for growing businesses. With its rugged design, the 20kW diesel generator serves industries requiring dependable backup or primary energy sources, delivering power where uptime is critical and downtime is not an option.
Key Benefits of the 20kW Diesel Generator
- Delivers 20,000 running watts with a Perkins 2.2L 4-cylinder diesel engine
- Prime ratings of 18kW and 25kVA for versatile operational requirements
- Generac steel or aluminum enclosure for superior weather resistance
- Power Zone® 410 digital controller for advanced system management
- Industrial alternator with machine-varnished windings for dependable output
- Designed to keep critical operations running during outages or remote deployments
Common Applications
- Industrial and commercial manufacturing sites
- Data centers and IT infrastructure facilities
- Large construction projects and remote power installations
Packaging
The 20kW diesel generator is delivered with a weather-resistant steel or aluminum enclosure, a Perkins 2.2L engine, and digital Power Zone® 410 controls for fast and efficient installation.
Product Properties
| Property | Value |
|---|---|
| Engine Output | 20 kW |
| Prime Power | 18 kW / 25 kVA |
| Engine Type | 4-cylinder In-line Perkins |
| Engine Size | 2.2L |
| Fuel Type | Diesel |
| Controller Type | Digital Power Zone® 410 |
| Frequency | 60 Hz |
| Enclosure Type | Steel or Aluminum, Weather-Resistant |
| Mobile Link | No |
| Quiet Test | No |
Explore related industrial solutions like the 15kW Diesel Generator or find additional models at Generac.com.


