Abstract: In the context of technological innovation in commercial vehicle power, the Cummins 10 L engine stands out with its deeply integrated system and innovative software and hardware design, and has been awarded the title of "Innovative Product" at the 2024 China Commercial Vehicle Innovation Award Ceremony. Through customized power chain matching, lightweight module design, and rigorous environmental test, it achieves a 48% mass production thermal efficiency, combining high efficiency, reliability, and environmental protection advantages, thus redefining the standards for commercial vehicle power.