ISO/CD 4250-3

Earth-mover tyres and rims — Part 3: Rims

General information

Current stage: 30.20 Effective date: 23 qer 2026

Originator: ISO

Owner: ISO/TC 31/SC 6

Type: International Standard

Scope

This document sets out the designation, contours and dimensions for rims for narrow- and wide-base off-road tyres primarily intended for earth-moving machinery.
All dimensions in this document are given in millimetres and are applicable to the side of the rim which is in contact with the tyre.
Tyre designations and dimensions, tyre classifications and nomenclature are given in ISO 4250-1, ISO 10571 and ISO 13442.
Annex A gives details on sealing ring grooves and O-rings for earth-mover rims.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 4250-3:2020

NOW

IN_DEVELOPMENT
ISO/CD 4250-3
30.20 CD study/ballot initiated
23 qer 2026

Preview

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