Clean, double frame cab and chassis with Allison 4500RDS automatic transmission, Cat C11 engine with 370 HP, 20K front axle, 46K rears on Hendrickson Haulmaax suspension, diff lock, 425/65R22.5 front tires and 11R22.5 rear tires, 250" wheelbase, 182" C-T (muffler take up 18"), 21' of frame behind the cab (muffler take up 18"), and 3.91 ratio. 123,379 miles and 14,942 hours.