(Mfg. 08/2005), DOT406AL, Aluminum Construction, 5,340 Gallons, 3-Compartment (2120, 1100, 2120), 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, Dixon FloTech OverFill Monitor, Air Ride Suspension, Cam Style Drum Brakes, 455/55R22.5 Super Single Tires On Aluminum Wheels, (2) R/H Side Stacked Hose Tubes w/ Fitting Box @ Front, Aluminum Ladder @ Front Of Trailer, Cone Holder In Tongue...