About the Mack DM688S

The Mack DM688S Cab Chassis truck is a heavy-duty commercial vehicle designed for use in a variety of applications, including construction, logging, and transportation. The truck features a sturdy, yet lightweight frame made from high-strength steel and an air-ride suspension system that provides a comfortable ride and excellent handling. The truck is powered by a Mack E7 engine, which is known for its durability and reliability. It is a six-cylinder, turbocharged diesel engine with a displacement of 12.0 liters and an output of up to 350 horsepower and 1,200 lb.-ft. of torque. The engine is paired with a Mack T2000 transmission, which has 10 forward gears and two reverse gears. The DM688S Cab Chassis truck has a wide range of options and configurations, including single or tandem rear axles, a variety of wheelbases, and different cab types (day cab or sleeper). It also features air brakes and optional auxiliary brakes (such as engine brakes or retarders) for improved stopping power and reduced driver fatigue. Additionally, the truck can be equipped with a variety of safety and comfort features, such as air conditioning, air-ride seats, and advanced driver assistance systems.