Used 88 Volvo Whites Welding Semi Tractor-Trailer, cab, heat, a/c, radio, sleeper built cab, Cummins Big Cam IV engine, 400 HP, 13 speed, Eaton Fuller Roadranger transmission, tandem axle, 6x4 dual drive with an inter-axle differential lock, with 7'4w x 5'6"h x 40'l Merit Tank and Body Semi Trailer, hopper dump, roll over tarp, 285/75R24.5 truck tires, 11R24.5 trailer tires.