1目的和范围1。1本标准提供了确定两种不同类型设备额定容量的统一方法 带轮子的车，用作牵引工具，用于运输农业材料。包括a型 农用货车传动装置和类型（b），其中底盘组件与 圈占地本标准提供了最低可接受性能标准。1.2本标准涉及具有两个或多个轮轴的农用物料运输牵引机具。驾驶 前轴的方式包括自动转向或备用轮类型。

1 Purpose and Scope1.1This Standard provides a uniform method for determining capacity ratings of two different types of wheeled under-carriages used to transport agricultural materials as a towed implement. They include type (a) the farm wagon running gear and type (b) where the under-carriage components are integral with the enclosure. The Standard provides minimum acceptable performance criteria.1.2This Standard relates to farm materials transport towed implements having two or more axles. Steering means for the front axle include auto-steer or fifth wheel type.