An article from Cummins Introduces New Haul-Truck Engine With 95 Liters and 4,000 Horses of Diesel Grunt Published Nov. 9, 2011 post share post print email license Colleen Lane Cummins announces plans to build a new 4,000-horsepower diesel in Seymour, Ind., by 2015. Recommended Reading Read More ENR.com purchase licensing rights Filed Under: Economy