2015 Mack CHU613. Gold Bulldog. 505HP Mack MP8. 18 Speed Maxitorque Transmission. 44,000LB Full Locking Mack Rears. 20,000LB Air Lift Axle. 14,320LB Steer Axle. Only 356,000 Original Miles. Air Ride Suspension. Dual Line Wet Kit. Loaded Rawhide Interior. Leather Seats. Gauge Package. Air Slide Fifth Wheel. 11R24.5 Tires. Full Rear Fenders. Aluminum Headache Rack. Engine Brake. Cruise Control. Dual Stacks. Clean Mack CHU613