Used 540 Gallon Horizontal 304L-SS Tank. Internal rated 15 PSI @ 300 Deg F. (Dished Heads. 42" dia x 6' 6" T/T (7' 9" OAL). Thickness: 0.1875". Built by St. Mary Iron Works, 1986, S/N: 86-103-8659, NB# 53. Saddle mounted. Previous use: Separator Waste. Weight: Approx 2000 lbs.