1994 Weld IT 5600 Gallon 3 Compartment Aluminum Pup Trailer, Compartment Sizes (2600-1100-1900), MC 306 AL, 3 - 6" Bottom Loading Heads with Brake Locks, Vapor Recovery, Dixon Flo Tech Overfill Protection System, 3 - 3" Drop Lines with Butterfly Valves, Air Operated Internal Valves, 385/65R 22.5 Super Singles on Aluminum Rims, 40,000 GVW (20,000 Front & 20,000 Rear), Spring Suspension, 2 Hose Tubes on Right Side.