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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
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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.

BS AU 2a:1970
$86.31