This unit is a 2005 Mack DM690S powered by an and a TM308M 8 speed transmission with 215346 miles. It has a 5.73 gear ratio, 20000 lb front axles and 46000 lb rears; rear tandems with a bridge axle. There was a complete brake overhaul performed 9/2015, and is equipped with an 11-yard CBMW Bridgmaster mixer. Just out of service and ready to go.