IS 6763 : Part 2 : 1987 Specification and Testing for Fifth Wheel King Pin for Semi-trailers - Part 2 : Size 90

1 Scope

Specifies the dimensions and testing procedures for the size 90(φ 89 mm) fifth wheel king pin which is used forcoupling extra heavy-duty vehicles. In addition, this standardspecifies the dimensional characteristics necessary for mountingand interchangeability.