2026 Mack Pioneer 76" Sleeper — powered by a 445 HP Mack MP13 and Mack mDRIVE 13-speed automated transmission. Built for efficiency and comfort with full disc brakes, interaxle diff lock, 228" wheelbase, dual 125-gallon fuel tanks, sliding fifth wheel, and inverter. Driver-focused features include electric APU, cab parking cooler, adaptive cruise, and advanced collision avoidance—ready for long hauls and maximum uptime.