(Mfg. 1/07), DOT406AL, 9,200 Gallon, Single Compartment, Air Operated Internal Valve, 4" Combination Bottom Load/ Unload Head w/ Brake Interlock, Vapor Recovery w/ Brake Interlock @ Load Head, Vapor Recovery In Front of Axles w/ Vapor Interlock, Vapor Recovery w/ Brake Interlock @ Rear of Trailer, Scully InteliCheck 2 Overfill/ Retain Monitor, (2) Optic & (2) Thermistor Sockets, Air Ride Suspension, 11R22.5 Tires on All Aluminum Wheels, Tire Inflation, Cam Style Brakes, Crank Landing Gear, R/H Hose Tray, R/H Aluminum Fitting Box, Aluminum Fenders, Aluminum Ladder @ Rear of Trailer......