Mack CL713 Semi Tractor. 1999 Mack Elite day cab conventional with a 500 horsepower V8 diesel engine and 463015 miles. Maxitorque extended range 12 speed splitter transmission. Rear axle power divider. 12k front suspension. Hendrickson air ride rear suspension with 44k lbs. rears and 4.42 ratio. 187″ inch wheelbase. Double frame. PTO and Wetline set up. Engine break. Air ride drivers seat. Heat and A/C.