การเกษตรและเทคโนโลยีชีวภาพ
เอกสารมาตรฐาน
ระหว่างประเทศ
ISO
ISO 12003-1:2021
Tractors for agriculture and forestry — Roll-over protective structures on narrow tractors — Part 1: Front-mounted ROPS
2021
61
ISO 12003-1:2021
This document specifies procedures for both the static and dynamic strength testing of roll-over protective structures (ROPS) front-mounted on narrow tractors. It defines the clearance zone and acceptance conditions for rigid or tiltable, front, two-post ROPS, including any associated rear fixtures, and is applicable to tractors so equipped having the following characteristics: a ground clearance of not more than 600 mm beneath the lowest points of the front- and rear-axle housings (not considering lower points on the axle differential); a fixed or adjustable minimum track width of one of the two axles of less than 1 150 mm;
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