K&H Stake Bed/Flat Bed. The 2025 MACK MD6 Cab and Chassis delivers dependable performance and versatility, ideal for a wide range of applications. Powered by a Cummins ISB6.7 300 HP engine and paired with a smooth 6-speed Allison 2500 RDS automatic transmission, this truck offers reliable power and efficiency. Features like drum brakes, a 50-gallon fuel tank, heated mirrors, and standard cruise control make for a comfortable, controlled ride. Built with Mack’s legendary durability, it’s ready to be upfitted to meet your business needs. Ask about current financing programs!