Machine description: Cummins ISM, 385 hp Engine, Engine Brake,, Allison Automatic Transmission, 14320 lb, Front Axle, 46000 lb Rears, 60320 lb GVWR,, 11R24.5 Front Tires, 11R24.5 Rear Tires, Hendrickson RT/RTE Series Spri... more info about the International Harvester 5600i.