(Mfg. 10/04), DOT406AL, Aluminum Construction, 5,340 Gallons, 3-Compartment (2120, 1100, 2120), Single Bulkhead, Air Operated Internals, 'Y' Bottom Load Heads w/ Brake Interlocks & Sight Glasses, Roto Tags, Dual Vapor Recoveries w/ Brake Interlocks, Optics Socket w/ Brake Interlock, Civacon ROM II OverFill Monitor, Air Ride Suspension, Disc Brakes, 455/55R22.5 Super Single Tires On All Aluminum Wheels, (2) R/H Side Stacked Hose Tubes w/ Fitting Box @ Front Of Trailer, Cone Holder In Tongue, Aluminum Ladder @ Front Of Trailer...