Double frame cab and chassis with Mack AMI-370 engine with 370 HP, Maxitorque ES 10-speed transmission, 20K front axle and 44K rears, 425/65R22.5 front tires and 11R22.5 rear tires, 12K steerable lift axle, Camelback suspension, 276" wheelbase, 198" C-T, 30' of frame behind the cab, and PTO. 312,079 miles and 13,156 hours.