Mack's E9 engine, a 16-liter V8 design, will be available later in the year. The toll-free telephone number for all MackPower inquiries is 1-877-6-PWRMACK.

Scott Oberle out of Monkton, Vermont, owns this rare 1985 Mack MH613 Magnum Edition. The truck was one of just 64 built that year, Oberle says. The truck features the original 450-hp Mack E9 V8 ...

Marine engines include both raw water-cooled and keel-cooled models. Mack’s E9 engine, a 16-liter V8 design, will be available later in the year. The toll-free telephone number for all MackPower ...