BS AU 2a:1970
$86.31
Specification for dimensions of 3½ – 4½ in diameter fifth wheel king pin for use with extra heavy duty semi-trailers
Published By | Publication Date | Number of Pages |
BSI | 1970 | 6 |
This British Standard specifies dimensions for a 3½ – 4½ in diameter king pin for fifth wheel attachment to semi-trailers for extra heavy duty.
NOTE 1 A fifth wheel king pin for attachment to semi-trailers for normal and heavy duty is covered in BS AU 1, “Dimensions of 2 – 2⅞ in diameter fifth wheel king pin for use with semi-trailers”. The clearance dimensions and fifth wheel positions are given in BS AU 3, “Clearance dimensions and fifth wheel positions for tractors and semi-trailers”.
NOTE 2 The values specified in imperial units are to be regarded as the standard.