本SAE标准描述了操作员座椅的评估程序，操作员座椅可根据SAE J 1150安装在农用轮式拖拉机上，和/或根据SAE J 1057安装在土方机械上。本程序仅评估垂直振动性能，不应视为综合座椅评估程序。本文件旨在建立农业拖拉机和土方机械座椅的测试方法。该方法认识到，农业拖拉机和土方机械操作员座椅的振动性能取决于座椅、机器和操作员的特性。因此，本文件描述了利用人体受试者（操作员）在实验室测量和评估座椅性能的程序，作为机器类型和操作员重量的函数。 具有类似振动谱的农业轮式拖拉机和土方机械被分为定义的类别，并在SAE J 1385和SAE J 1386中为每个类别规定了相应的试验振动输入谱。座椅安装基座处的规定功率谱密度定义了给定实验室座椅试验期间振动试验台所需的响应。该方法测量在振动试验台或行驶模拟器上模拟机器振动期间，在座椅/臀部界面传输给操作员的频率加权均方根加速度（全身振动）。定义类别内的所有应用程序的性能要求对指定权重的受试者进行测试。 被ISO 5007取代。

This SAE Standard describes a procedure for the evaluation of operator seats which may be fitted to agricultural wheeled tractors per SAE J 1150 and/or earthmoving machines per SAE J 1057. This procedure evaluates only the vertical vibration performance and should not be considered a comprehensive seat evaluation procedure.The purpose of this document is to establish a method for testing the seats of agricultural tractors and earthmoving machines. The method recognizes that the vibration performance of operator seats for agricultural tractors and earthmoving machines depends on the characteristics of the seat, the machine, and the operator. As such, this document describes a procedure utilizing human subjects (operators) for measuring and evaluating seat performance in the laboratory as a function of machine type and operator weight.Agricultural wheeled tractors and earthmoving machines having similar vibration spectra are grouped into defined classes with corresponding test vibration input spectra specified for each class in SAE J 1385 and SAE J 1386. The specified power spectral density at the seat mounting base defines the response required from the vibration test stand during a given laboratory seat test.The method measures the frequency weighted root mean square acceleration transmitted to the operator at the seat/buttock interface (whole body vibration) during simulated machine vibration on a vibration test stand or ride simulator. Performance for all applications within a defined class requires tests with subjects of specified weights.Superseded by ISO 5007.