Very clean and well taken care of pickup puller. It has a professionally built 461 engine that has been re-freshened about four years ago but the truck hasn't pulled in the last two due to an illness. Dana 60 front end with AAM 11.5 rear end with 4.56 gear ratio. Cut 3rd gear in 4 speed manual transmission. Heavier shafts in transfer case. Rigid suspension on frame, adjustable pulling hitch, and front weight bracket. U-joint covers and drive shaft loops. Aluminum fuel tank in box of truck.