International Organization for Standardization (ISO)
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ISO 4252:2007
Scope
This International Standard specifies the design dimensions of agricultural tractors having a minimum track
width exceeding in respect of
a) the minimum dimensions of their access doorways,
b) the number, location and minimum dimensions of their emergency exits, and
c) their minimum internal clearance dimensions.
ISO 4252:2007 Referenced Document
ISO 5353 Earth-moving machinery, and tractors and machinery for agriculture and forestry - Seat index point
ISO 789-6 Agricultural tractors — Test procedures — Part 6: Centre of gravity*, 2019-02-05 Update