(Mfg. 05/20), Serial# 02232164-21, DOT406AL, 5500 Gallon, 3-Compartment (2200-1100-2200), All Double Bulkheads, Air Operated Internals, 4" API 'Y' Bottom Load Heads w/ Brake Interlock & Sight Glasses, Roto Tags, Vapor Recovery w/ Brake Interlock, Optic Socket, Offside Gravity Drops & Vapor Recovery, Air Ride Suspension, 295/75R22.5 Tires on All Aluminum Wheels, Tire Inflation, Cam Style Brakes, Aluminum Fenders, R/S Stacked Hose Tubes w/ Fitting Box @ End, Aluminum Ladder @ Front of Tank.....