- Medium Duty Trucks - Cab & Chassis Trucks
- 6 Spd
- Allison HS
The All-New MACK MD SERIES MEDIUM DUTY TRUCK! – This 2021 MY MACK MD642 Chassis has a Wheelbase to accommodate the body of your choice, built to order: Dry Van, Box Truck, Flatbed, etc. 2022 MACK, MD6, Medium Duty Trucks – Cab & Chassis Trucks, Cummins ISB6.7 260 hp, Allison Automatic Transmission – 6 Speed, 251” WB, Air Suspension, Steel Wheels, Heated and Motorized Mirrors, Passenger Bench Seat, 22.5 Bridgestone Tires, Air Ride Suspension, Passenger Door Lower Peep Window, Audio with Bluetooth, Dual Airbag Cab Suspension. Glacier White in Color.