2024 MACK, MD6, Medium Duty Trucks - Cab & Chassis Trucks, CUMMINS , Automatic, The All-New MACK MD SERIES MEDIUM DUTY TRUCK! - This 2024 MY MACK MD642 Chassis has a Wheelbase to accommodate the body of your choice, built to order: Dry Van, Box Truck, Flatbed, etc. 2024 MACK, MD6, Medium Duty Trucks - Cab & Chassis Trucks, Cummins ISB6.7 260 hp, Allison Automatic Transmission - 6 Speed, 270 WB, Air Ride Suspension, Aluminum Wheels, Heated and Motorized Mirrors, Passenger Bench Seat, 22.5 Bridgestone Tires. Glacier White in Color. CALL TODAY!!, 260 Horse Power, Air Ride Suspension, All Steel Wheels, 270 Wheel Base, , Axle, Ratio, , VIN