(Mfg. 01/10), DOT406AL, Aluminum Construction, 5290 Gallons, 3-Compartment (2100, 1090, 2100), All Double Bulkhead, Air Operated Internals, "Y" Bottom Load Heads w/ Brake Interlocks & Sight Glasses, Vapor Recovery w/ Brake Interlock, Offside Gravity Drops & Vapor Recovery, Optics Socket, Air Ride Suspension, Cam Style Drum Brakes, 295/75R22.5 Tires On All Aluminum Wheels, (3) R/H Side Hose Tubes w/ Fitting Box @ Front Of Trailer, Aluminum Ladder @ Front Of Trailer...