CAT C15 Acert Engine (NXS Prefix) $26,000 + GST exchange. Second hand engine. Has had a bearing roll (mains and big ends). 60 Days Return to Base Warranty. 550 HP Spec. Specialists in CAT and Cummins Engines also carrying parts for all American Truck Brands and Road Ranger Gearboxes. Rebuilt and Second Hand Options Available. Warranty with all second hand and rebuilt engines.