Ultra-Fab Merchandise Trailair Tri-Drift Pin Box. Medium taste model M19 Tri-Drift has a 21,000 lbs. capacity. The sweetness and reliability of the Trailair air ride system is in its simplicity. The air ride pin box acts as a buffer, arresting the transfer of road have an effect on between the tow vehicle and the coach to supply smooth, stabilized towing performance. In most cases, a truck and a trailer attached by a ridged hitch system (mainly any usual fifth wheel or ball connection) will have a tendency to fight each and every other as you go back and forth at highway speeds. The quicker you go and the more serious the street conditions, the more the ride quality suffers. Now not best are you coping with road forces from traveling down the street, but in addition additional forces are created as the 2 vehicles fight each and every other causing a diving board effect. The Trailair coupler’s distinctive scissor action lets in the air spring to take in these forces and dissipate them and force the shock absorber to maintain the rebound effect. The result’s a much better ride for the truck and its occupants, the coach and its contents. Features: Air Ride pin box; smooth, stable towing; scissor action, transfers shock to the air bag; improves the full ride even as protective the 5th wheel trailer; improves handling and enhances towing performance.
Ultra-Fab Products (35-946232) Trailair Tri-Glide Pin Box