Mack AI Diesel

6-Cylinder Muscle for Heavy-Duty Rigs

Power Range: 350 – 427 HP (calibrations down to 250 HP available) | Peak Torque: Up to 1,950 lb-ft

The Mack AI delivers the broad power band and stump-pulling torque your fleet needs for construction, refuse, regional haul, and highway tractors. High-efficiency fuel mapping and robust internals keep operating costs low while maintaining rock-solid reliability mile after mile.

Looking for a complete Mack AI engine or hard-to-find components? Boots & Hanks Truck Parts stocks dyno-tested engines, reman long blocks, turbos, injectors, ECMs, and full overhaul kits—all compression-tested, warrantied, and ready for same-day worldwide shipping.

Power your Mack with genuine strength—call 800-738-7802 or browse live inventory at BootsAndHanksTruckParts.com today.