(USED) ORIGINAL Peterbilt 579 2016 split fuel tank right front driver. Total length 68" : Width/Diameter: 26". Front portion 17" for hydraulic (30 gal). Back portion is 44" for diesel fuel (90 gallons). Nothing wrong with this tank. Just didn't need split system and had the good tank replaced. The tank is already palatalized ready to ship with a weight of 118 lbs. and dimensions of 33" X69" x 31".