Fifth wheel locks must be closed around the trailer kingpin with 1/4 inch (6.35 mm) or less gap visible between the lock jaws. 16. If you do not achieve a proper couple, repeat the coupling procedure.

Purkeys, a company focused on providing electrical solutions for the heavy-duty trucking industry, developed the 5th Wheel Light to help drivers by illuminating the king pin lock-jaw position ...

The 'big three' fifth-wheel manufacturers aren’t standing still and say they continue to innovate going into 2022 to satisfy truck makers and fleet customers of all sizes.

Fontaine Fifth Wheel is offering driver training to teach drivers proper fifth wheel coupling and uncoupling procedures when picking up a load to ensure a good connection and to prevent ...