AS 4177.2:2004
$27.30
Caravan and light trailer towing components – 50 mm towballs
| Published By | Publication Date | Number of Pages |
| AS | 2004-06-17 | 17 |
Specifies the requirements for towballs for towing vehicles of up to 5Ā t towing vehicle mass, intended for towing trailers and caravans of up to 3.5Ā t aggregate trailer mass for use on public roads.
Scope
This Standard specifies requirements for towballs for towing vehicles of up to 5 t towing vehicle mass. The towballs are intended for towing trailers and caravans of up to 3.5 t aggregate trailer mass, for use on public roads.
The method of determining the static strength of a shank-type towball is given in Appendix A and the dynamic strength of a towball is given in Appendix B.
NOTES:
1 Towbars and coupling bodies are specified in AS 4177.1 and AS 4177.3 respectively.
2 Requirements for off-road applications are beyond the scope of this Standard.
3 Requirements for shank-type 50 mm towballs only are specified.
4 Towing bracket and towballs complying with ISO 1103 and ISO 3853 are also acceptable.
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