2018 MACK, PINNACLE CHU613, Heavy Duty Trucks - Day Cab Trucks, MACK MP8, AMT, Used 2108 white Mack CHU613 day cab tractor. Powered by a Mack MP8 engine with 415 horse power. Mack M-Drive TMD12AFO 12 speed automated transmission. front axle holds 12,000 pounds and rear axle holds 40,000 pounds. Rear ratio 0f 307.00 and a wheelbase of 213. Air ride suspension with tandem axle. Nationwide delivery available or fly in and drive home. Located in Amarillo, Texas and 4 miles from the airport., 415 Horse Power, Air Ride Suspension, Wheels, 213 Wheel Base, , Axle, 3.07 Ratio, , VIN 1M1AN02YXJM027791