I’ve run several Mack trucks. My brother-in-law had a mid-1970s R model with a 300-hp Maxidyne engine and five-speed Maxitorque transmission. We called it a “purebred,” because it was built ...

Mack marketing manager for highway products. “Materials were chosen to buffer engine noise, reduce vibration and combat driver fatigue.” Davis said the addition of the new sleeper makes the company’s ...

Mack marketing manager for highway products. “Materials were chosen to buffer engine noise, reduce vibration and combat driver fatigue.” Davis said the addition of the new sleeper makes the company’s ...