Cummins builds powerful, reliable diesel and natural gas engines for trucks, heavy equipment, marine use, and power systems. Since 1919, the company has earned a strong reputation with engines like the 5.9L and 6.7L inline-six, known for their durability, torque, and easy upgrades.

Many choose Cummins for performance builds, towing, and tough jobs. The company also leads in emissions tech, pushing for cleaner, more efficient engines.