Used 1500 Gallon Northland Stainless Hastelloy C Reactor, shell rated 150 psi @ 400 F, jacket rated 150 FV @ 400 F, model #74-S-20, with Lightnin gear box, 20-8 ratio, shell half pipe 3" x 11 GA, Inconel 600 bottom head & 3" SCH, 1/4" wall, 5'6" dia x 10' length, with 20 HP agitator, dished head and bottom, 4 lug supports, built 1996. (Missing agitator shaft)