On-highway engines
You've got freight to move, deadlines to meet, goals to achieve. We've got a solid history of providing the best, most innovative engine technology to help you get the job done. Cummins delivers the right technology at the right time for you and your operation.
Engineering the next generation of power
Power
430 - 605 hp
Power
321 - 451 kW
Torque
1650 - 2050 lb-ft
Torque
2237 - 2779 N•m
Certification
EPA 2021
Power
400 - 500 hp
Power
298 - 373 kW
Torque
1450 - 1850 lb-ft
Torque
1966 - 2508 N•m
Certification
EPA 2021
Power
350 - 500 hp
Power
261 - 373 kW
Torque
1250 - 1700 lb-ft
Torque
1695 - 2305 N•m
Certification
EPA 2021
Power
350 - 500 hp
Power
261 - 373 kW
Torque
1250 - 1700 lb-ft
Torque
1695 - 2305 N•m
Certification
EPA 2021
Power
350 - 500 hp
Power
261 - 373 kW
Torque
1250 - 1700 lb-ft
Torque
1695 - 2305 N•m
Certification
EPA 2021
Power
350 - 500 hp
Power
261 - 373 kW
Torque
1250 - 1700 lb-ft
Torque
1695 - 2305 N•m
Certification
EPA 2021
Power
430 - 605 hp
Power
321 - 451 kW
Torque
1650 - 2050 lb-ft
Torque
2237 - 2779 N•m
Certification
EPA 2017
Power
430 hp
Power
321 kW
Torque
1075 lb-ft
Torque
1458 N•m
Certification
CARB,EPA
Power
360 hp
Power
268 kW
Torque
800 lb-ft
Torque
1085 N•m
Certification
CARB,EPA
Power
360 - 430 hp
Power
268 - 321 kW
Torque
800 - 1075 lb-ft
Torque
1085 - 1458 N•m
Certification
CARB,EPA
Power
400 - 500 hp
Power
298 - 373 kW
Torque
1450 - 1850 lb-ft
Torque
1966 - 2508 N•m
Certification
EPA 2017
Power
370 - 420 hp
Power
276 - 313 kW
Torque
850 - 1075 lb-ft
Torque
1152 - 1458 N•m
Certification
EPA 2020
Maximizing fluid economy in a heavy-duty diesel powertrain begins long before a new truck delivers its first load.
May 18, 2026
Engine nostalgia or not, Cummins’ latest X15 diesel is its most reliable heavy-duty engine yet, improving total cost of ownership for fleets and owner-operators.
February 04, 2026
When shopping for new trucks, experts say fleets and owner-operators should look past the sticker price and focus on the total cost of ownership (TCO).
January 26, 2026
From tough terrain across the United States for UPS to steep grades in Canada, Cummins’ X15N natural gas engine has spent its first year proving it can handle heavy hauls while delivering near-zero emissions at a lower fuel cost than diesel.
December 23, 2025
What if the stuff we throw away could keep trucks moving? In this episode of Power Onward, Kim sits down with Dave to talk about renewable natural gas, aka RNG, and how it turns things like landfill trash, cow manure, and food waste into clean, usable fuel.
November 05, 2025
Fleets that are already using natural gas trucks stand to gain additional value by expanding with Cummins’ portfolio of natural gas engines.
October 24, 2025
Fleets and owner-operators have long known that extending oil change intervals can lead to significant cost savings and environmental benefits.
July 14, 2025
There comes a point when technology can prove less than convenient.
May 07, 2025