Engines | Mounts, , 1999 CAT C12, Truck Engine, (GOOD USED) 1999 CATERPILLAR C12 DIESEL ENGINE FOR SALE, AR# 171-8225, 410HP @ 1800RPM, 70-PIN ECM CONNECTOR PLUGS, PULLED OFF A FREIGHTLINER, 11.9L, 6 CYLINDERS, TURBOCHARGED, ENGINE SERIAL# 2KS04525, STOCK# 1602