(Mfg. 01/06), DOT406AL, Aluminum Construction, 5,290 Gallon Capacity, 3-Compartment (2100, 1090, 2100), All Double Bulkhead, Air Operated Internals, "Y" Bottom Load Heads w/ Brake Interlocks, Roto Tags, Vapor Recovery w/ Brake Interlock, Optics Socket, Off-Side Gravity Drops, 295/75R22.5 Tires On Aluminum Wheels, Drum Brakes, L/H Aluminum Hose Tube, L/H Chain Hanger, (2) R/H Aluminum Hose Tubes w/ Fitting Box @ Front Of Trailer, Aluminum ladder @ Front Of Tank...