18,000 gallon horizontal carbon steel pressure tank. Manufactured by Trinity Industries. Rated 250 psi @ 125 Deg. F. U Code Stamp. 105.5" OD x 44' 5" OAL. Head thickness - .420"; Shell thickness-.75". Mounted on loose Saddles. Built 1967. Previous usage: Propane. Weight: Approx. 39,500 lbs