A rigid mount pintle hook designed for trailers, semitrailers, and doubles and triples operations. Used for off- and over-the-road applications. Air cushioned snubber is designed to minimize the gap between the pintle hook and the drawbar on vehicles with air systems. The complete assembly includes a pintle hook, plunger, air chamber, and mounting bracket. The PH-400 can be operated with or without the air chamber. For easier coupling, drawbar guides are available. Capacities: 20,000 lbs. Maximum Vertical Load 100,000 lbs. Maximum Gross Trailer Weight Features: Automatic secondary lock for improved safety Plunger/snubber force is developed by the vehicles air system to reduce wear and to provide shock absorption Also available without an air chamber and mounting bracket Air chambers are available with a variety of rod lengths for different mounting widths. Threaded plunger is adjustable Cast alloy steel body is heat treated for increased strength, durability, and wear resistance Unique one-handed latch operation For off-road applications, reduce the above maximum capacities by 25% and use with a swivel-mount drawbar Drawbar Eye Dimensions 2.38 inch to 3 inch I.D. with 1.25 inch to 1.63 inch diameter section.,