GB/T 7120-2009
ActiveThree-point quick-attaching coupler of implement to agricultural wheeled tractors - Category 3N、4N
农业轮式拖拉机和机具三点悬挂挂接器 3N类、4N类
Application Summary AI generated
This standard specifies the dimensions, strength requirements, and testing methods for Category 3N and 4N three-point quick-attaching couplers used to connect implements to agricultural wheeled tractors. It is applied in the design and manufacturing of tractor-implement hitch systems to ensure interchangeability and safe, reliable coupling under heavy-duty field 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.