1999 Weld-It 5600 Gallon 3 Compartment Aluminum Pup Trailer, Compartment Sizes (2600-1100-1900), DOT 406, Single Bulk Head, 3 - 6" Bottom Loading Heads with Brake Locks, Vapor Recovery, Air Operated Internal Valves, 3 - 3" Drop Lines with Butterfly Valves & Manifold, 445/50 R 22.5 Super Single Tires on Aluminum Rims (40% overall), 40,000 GVW (20,000 Front & 20,000 Rear), Spring Suspension, Ladder Up Front.