(Mfg. 9/99), Serial# TT28981, Model# BATT-55-3-DC, DOT406AL, 5500 Gallon, 3-Compartment (2200,1100,2200), All Double Bulkheads, Cable Operated Internals, 4" API 'Y' Bottom Load Heads w/ Brake Interlock & Sight Glasses, Roto Tags, Work Light @ Load Heads, Vapor Recovery w/ Brake Interlock, 3" Forward Pump Line, FloTech Overfill Monitor, Optic Socket, Offside Gravity Drops & Vapor Recovery, Air Ride Suspension, 11R22.5 Tires on All Aluminum Wheels, Cam Style Brakes, Chain Hanger behind Forward Axle, Aluminum Fenders, (2) R/H Stacked Hose Tubes w/ Fitting Box @ End, Aluminum Ladder @ Front of Trailer.....