Redefining Performance 2017 L9 For Emergency Vehicles Fire and emergency vehicles are all about performance, readiness and reliability. Those three factors are what continue to make Cummins L9 the leading choice for first responders across North America.

You deserve a diesel. Building on a legacy of proven reliability, the L9 for 2017 and newer products features a Single Module™ aftertreatment, reliability improvements and even longer extended coverage options.

Building on the SmartEfficiency initiatives of improved fuel economy, lower total cost of ownership and increased uptime, the L9 is benefiting coach operators and owners. With the best power-to-weight ratio in its class, revised gearing recommendations and product improvements over the last decade, the L9 provides up to 15 percent better fuel economy compared to the ISL from the 2000s. And with over 30 years of proven performance, you can trust the L9 to keep your coach running on any route or trip.  

Cummins B Series engines are hard at work on every acre of every field. In fact, with over three million Cummins B Series engines in operation around the globe today, there is no question that these engines are proven performers. Available in a range of ratings from 80 to 173 hp, these midrange engines deliver strong performance with a minimum of maintenance. Specifying the right combination of standard features and options for your equipment is easy, with Cummins Advisor providing expert assistance.

The Cummins L9 diesel for 2017 delivers outstanding productivity and the best power-to-weight ratio in its class. Faster, more accurate service provides even greater uptime, and customers can expect up to 15 percent better fuel economy over the engines of the last decade. Aftertreatment Technology: Simply Better The Cummins L9 diesel engine features a new Single Module™ aftertreatment system that sets the new standard for efficiency. It combines Selective Catalytic Reduction (SCR) and a Diesel Particulate Filter (DPF) into a single flow-through design.