The Power to Perform​

The X15 gives you the ultimate heavy-duty power for both manual and automated transmissions with ratings up to 617 hp and a huge 2779 Nm  of torque available at 1000 rpm. Built with uptime and lower cost of ownership in mind, the X15 is the first choice for drivers that need the power to perform. Rugged durability is ensured by the use of proven hardware, while two optimized series realize the full potential of the 15-litre platform by focusing on maximizing haul fleet fuel-efficiency or responsive performance for heavier applications.​

Power ratings

• Performance Series​: 550-617 hp (410-460 kW)​
• Efficiency Series: 410 -585 hp (306-436 kW)

​Features

• EGR-free: Simpler design to meet Euro VI emission standards​.
• XPI: Cummins extra-high pressure fuel injection system enables smooth and rapid engine response to increasing vehicle demands​.
• ADEPT: A suite of advanced electronic engine-control features that interact with automated manual transmissions to enhance fuel efficiency by up to 6% and make every driver an expert.​
• Single Module™ aftertreatment system: A compact and lightweight system offering improved serviceability compared to modular systems.​
• High-capacity electronic control module: This allows full integration of data inputs from all subsystems to optimise performance.​
• Upgraded high flow air-handling: Gives a faster pedal response for enhanced driveability at full payload and steep-gradient climbing​.
• Engine brake: Engine-integrated system provides a powerful retarding force.
• Global availability: the X15 is available in versions to meet emission regulations worldwide, both for on- and off-highway applications​.