The Cummins 2020 X15 Productivity Series is designed for heavy applications with severe duty cycles. The series offers 605hp with 2050 lb-ft of peak torque. The Productivity Series has six new ratings available in 2020, along with four former Performance Series ratings. The X15 ratings for 2020 offer upgraded turbocharger aerodynamics and a high performance EGR cooler for overall air handling improvements for greater efficiency throughout the system.