(El Reno. OK) 1981 PROCESS ENGINEERING NITROGEN TRANSPORT TRAILER VIN/SN: ~ C90879, SPRING, 11R22.5 RUBBER ALL THE WAY AROUND; ALUMINUM RIMS; M.A.W.P: 25; MODEL: AT210; HEAD RADIUS: 72 IN; SHELL THICKNESS: 16.2. ITEM# 15322