The X15 engine is one of the most powerful and reliable heavy-duty engines developed by Cummins, built to deliver exceptional performance for commercial trucks and long-haul applications. Known for its strength, fuel efficiency, and advanced technology, the X15 engine provides excellent torque, durability, and lower emissions, making it a top choice for fleets and drivers who demand both power and dependability on the road.https://www.nationwideheavytruckparts.com/cummins/