X15 Engine Interactive Design

THE 2027 X15 ENGINE SYSTEM

Enhanced Efficiency and Reduced Emissions

• Single Doser Architecture enhances fluid efficiency and reduces emissions.​

• Cooling System Optimization reduces flow restriction, lowering the energy required to circulate coolant and reducing fuel consumption.​

• 2400 Bar fuel system with a smaller, lower-friction pump improves particulate matter control and efficiency.​

• Improved piston bowl and skirt design increases compression ratio and reduces friction, enhancing fuel efficiency.​

• Cartridge-style filters simplify maintenance, reduce costs, and minimize environmental impact..

Electronics

• 48V alternator supports heating technology, reducing engine load. ​

• Cummins Maintenance Monitor reduces shop visits and operating costs through extended maintenance intervals.s.
• New Cummins C3550 system enhances safety, cybersecurity and software functionality.

Digital

Acumen® or an OEM device enables immediate access to Connected Solutions®:

• Remote Diagnostics: Monitor fault alerts and predictive insights to avoid downtime.
• OTA Programming: Optimize your engine performance and efficiency with remote software and parameter updates.

The 2027 Twin Module Aftertreatment System

• Features Cummins Electric Heating System with two 5kW heater modules for effective NOx conversion during startup and low-load conditions. ​
• Utilizes a parallel-flow Selective Catalytic Reduction (SCR) system for minimized system length and backpressure, reducing CO2 emissions. ​
• Employs updated catalyst technology for maximized N₂O conversion and enhanced performance at lower operating temperatures.

Combining best-in-class performance and fuel efficiency with decades of proven technology, the 2027 X15 is the industry's most reliable engine, delivering exceptional results every day.

1. Efficiency: The 2027 X15 offers improved fuel efficiency on the base engine and with integrated powertrain compared to the 2024 X15, while maintaining similar diesel exhaust fluid (DEF) consumption and a lower cost of operation.
2. Performance: The 2027 X15 delivers impressive performance with up to 605 horsepower and 2,050 lb-ft of torque, meeting stringent regulations while providing the power needed for all demanding applications.
3. Reliability:The 2027 X15 boasts over 25 years of Cummins engineering expertise and rigorous testing. This robust development process, backed by four years of dedicated research and development, ensures the high reliability standards expected by customers.
4. Uptime: With over-the-air (OTA) programming and maintenance intervals tailored to the duty cycle, the Cummins 2027 X15 helps predict maintenance needs more accurately, ensures seamless remote software updates, and reduces the frequency of shop visits.
5. Compliance: The 2027 X15 is designed to meet the future emissions standards in all 50 states, providing seamless flexibility for customers

Improved Air Management

• The Variable Geometry Turbo and Exhaust Gas Recirculation (EGR) system enhance engine efficiency and optimize air handling while reducing emissions
• The new turbocharger features redesigned aerodynamics and a roller bearing system for increased efficiency.