All MACK drivetrain!!!. 297,000miles, 460 engine(new turbo) , 18 speed, 3:86 rears w/ air control power divider, Jake brakes. New 11r22.5 aggressive drive tires. 20k pusher, 18k front axle. Wet kit, headache rack, dual side step toolboxes. Very nice truck, just upgraded! $55,000.