Min. Order Reference FOB Price
50 Pieces US$15.00-25.00 / Piece
Product Description
The function of king pin is to engage the semi-trailer to the fifth wheel. The king pin is the most critical component used in the load tranfer from semi-trailer. The coupling consists of a kingpin, a 2-or-3+1⁄2-inch-diameter (50.8 or 88.9 mm) vertical steel pin protruding from the bottom of ...