New options of Peterbilt Red Oval TruckCare Preventive Maintenance programs are now available for pre-owned truck customers, Peterbilt Motors Company recently announced. The new options expand contracted preventive maintenance programs to include pre-owned vehicles equipped with Caterpillar C-10 and C-12 engines, and Cummins ISX and ISM engines. Engines already included in the Red Oval TruckCare Preventive Maintenance program are the Caterpillar 3406, C-15 and C-16; the Cummins N14; and the Detroit Diesel Series 60.