Peterbilt supplies 530-hp ISX
The Cummins ISX engine now comes in a 530-horsepower rating for Peterbilt Models 387, 379, 378, and 357, Peterbilt Motors Co announced. The engine is uprateable to 600 horsepower with no hardware changes.
The Cummins ISX engine now comes in a 530-horsepower rating for Peterbilt Models 387, 379, 378, and 357, Peterbilt Motors Co announced. The engine is uprateable to 600 horsepower with no hardware changes.