(Mfg. 8/01), Serial# 6-25559-1S, DOT406AL, 9525 Gallon. 4-Compartment (3250,1900,2300,2075), All Double Bulkheads, Air Operated Internals, 4" API 'Y' Bottom Load Heads w/ Brake Interlock & Sight Glasses, Roto Tags, Vapor Recoveries @ Load Heads w/ Brake Interlock, 3" Forward Pump Line, Optic Sockets, Offside Gravity Drops & Vapor Recovery, Reyco Air Ride Suspension, 445/50R22.5 Super Single Tires on Aluminum Wheels, Cam Style Brakes, Aluminum Fenders, L/H Chain Hanger, (2) R/H Stacked Hose Tubes, (2) R/H Stacked Hose Tubes & Stick Tube over Front Fender, R/H Aluminum Fitting Box, Aluminum Ladder @ Front of Trailer.....