2025 MACK, MD6, Medium Duty Trucks - Attenuator Trucks, CUMMINS ISB6.7, Automatic, *** STOCK PHOTO*** 2025 Mack MD64 with Curry Supply Crash Attenuator Body. Truck equipped with Cummins ISB6.7 300HP, Allison 2500 RDS Automatic 6speed Transmission. Mack standard limited Warranty, extended limited coverage available. We finance. Stop in and chat with a Sales or Finance Professional today about programs that may be happening in your Market., 300 Horse Power, Multi Leaf Suspension, Wheels, 221 Wheel Base, , Axle, 5.86 Ratio, , VIN 1M2MDBAA8SS016863