标准摘要
[中文适用范围]： ISO 500 的本部分规定了窄履带（履带宽度 1 150 毫米或更小）农用拖拉机上 1 型和 2 型后置取力器 (PTO) 的主护罩和间隙区域的尺寸。 [外文原描述]： ISO 500-3:2004 specifies the dimensions of the master shield and clearance zones for rear-mounted power take-offs (PTO) of types 1 and 2, only, on narrow-track (track width 1 150 mm or less) agricultural tractors.
英文名称Agricultural tractors — Rear-mounted power take-off types 1, 2 and 3 — Part 2: Narrow-track tractors, dimensions for master shield and clearance zone