View 25 Photos View 0 Videos 2012 Dodge Ram 5500 Mechanic / Service Truck - Cummins, 300HP Recently Updated At auction PROD TEST UNIT - NOT FOR SALE! A USED 2012 Single KnapHeide S/T with Crane Service Truck. This unit includes a 300 HP Cummins V6 6.7L engine, and a Aisin AS68RC 6 transmission. Additional... ConditionUsedUsage297,558 MilesHorse Power300 HPEngine ModelCummins V6 6.7LTransmission6 SpeedSuspensionAir RideRear End13,500 lbStock NumberCG246244 MLS Number14239745CategoryMechanic / Utility / Service Trucks Last Updated7/8/2026 LocationKansas City, MO, US Listed ByCustom Truck One Source (844) 476-___ SHOWNUMBERCall Seller Email Seller Save More Info