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ISO 337:1981 PDF
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Road vehicles — 50 semi-trailer fifth wheel coupling pin — Basic and mounting/interchangeability dimensions
This second edition cancels and replaces the first edition (1973). Specifies the dimensions of the 50 coupling pin /dia. 50,8 mm (2 in)/ which is used for coupling semi-trailers to prime movers, taking into account the limitations of weight generally laid down by official requirements. Some figures illustrate shapes and the difference of types.
| Edition | 1981 |
|---|---|
| Published Date | 1981 |
| Published By | International Standardization Organisation |
| Page Count | 2 |
