GB/T 4781-1984
AbolishedMechanical connection between towing vehicle and full trailers for interchangeability
牵引车与全挂车的机械连接装置互换性
Application Summary AI generated
This standard specifies the dimensional and design requirements for the coupling devices that connect a towing vehicle to a full trailer, ensuring mechanical interchangeability between different manufacturers. It is applied in the automotive industry for the design, production, and testing of towing hitches and trailer couplings used in road transport. The standard ensures that any compliant towing vehicle can safely and securely connect to any compliant full trailer, facilitating interoperability in commercial and logistics operations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.