GB/T 21956.4-2009
AbolishedThe strength testing method and accepting condition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 4: Dynamic testing method of rear mounted ROPS
农林窄轮距轮式拖拉机防护装置强度试验方法和验收条件 第4部分：后置式动态试验方法
Application Summary AI generated
This standard specifies the dynamic testing method and acceptance conditions for rear-mounted Roll-Over Protective Structures (ROPS) on narrow-track wheeled agricultural and forestry tractors. It is applied in the manufacturing and safety certification of tractors with a track width of less than 1,150 mm, ensuring the protective structure can withstand dynamic loads during a rollover accident. The standard is used by testing laboratories and tractor manufacturers to verify compliance with safety requirements for operator protection in agricultural and forestry 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.