(Mfg. 03/09), DOT406AL, Aluminum Construction, Gallon Capacity, 3-Compartment (2120, 1100, 2120 ), Single Bulkheads, Air Operated Internals, "Y" Bottom Load Heads w/ Brake Interlocks, Roto Tags, Vapor Recovery w/ Brake Interlock, Civicon ROMII Over Fill Monitor, Optic Socket, 445/55R22.5 Super Single Tires On Aluminum Wheels, Disc Brakes, R/H Hose Tray, Aluminum ladder @ Front Of Tank...