The Cummins L9 already has a reputation across North America as a proven workhorse, boasting 35+ years of production with more than 5 million engines manufactured globally. The performance, readiness, and reliability of the Cummins L9 are the three factors that continue to make it the leading choice for first responders across North America.

Designed for fire service

• Fire pump governor interface
• Maintenance-free crankcase breather
• Optional higher capacity oil pans with longer oil drain intervals

Performance

• VGT Turbocharger – This patented design is a key element in delivering faster engine warm-up, enhanced braking horsepower, and an improved throttle response for the most challenging applications
• Wide range of HP Ratings – From 270 – 450 hp
• Peak torque over a wider RPM range

Reliability

• Delivers class-leading power and torque ratings, and the power-to-weight ratio to get the toughest jobs done
• Single module aftertreatment – This single pass-through design optimizes exhaust flow and maintain hotter, consistent temperatures across the unit
• Offers Cummins Connected Software to help you find, prevent and resolve issues faster

Features & Benefits

• VGT® Turbocharger from Cummins Turbo Technologies - The patented design is widely recognized as an industry performance leader. Electronic actuation improves precision and responsiveness. The VGT Turbo is a key element in providing exceptional fuel economy and braking horsepower

• Cummins on Every Corner - Over 3,500 authorized locations across North America, to support your parts and service needs.

• Peace of Mind - Base warranty backed by Cummins

• Connected Diagnostics - Wirelessly connects your engine to Cummins through a telematics device for immediate diagnosis of a fault alert. Provides a clear recommendation for continued operation or the need for service within seconds.

• Get the Latest - Need more information about the Cummins L9 engine or Cummins Onan generators? Visit our Fire and Emergency Engines page.