NF ISO 4251-1

NF ISO 4251-1

January 2020
Standard Current

Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines - Part 1 : tyre designation and dimensions, and approved rim contours

This document establishes the designation in use and the dimensions of code designated tyres in diagonal construction (ply rating marked series) for agricultural tractors, trailers and machines. Tyre load ratings are given in ISO 4251‑2. NOTE Code designated diagonal tyres (ply rating marked series) for construction applications (industrial tractors), identified by the classification code R-4, as specified in ISO 18805, or by suffix "IND" are covered by ISO 13442. Code designated tyres in radial construction for drive wheels of agricultural tractors are covered by ISO 8664. Code designated diagonal tyres (ply rating marked series) for forestry machines, identified by the classification code LS, as specified in ISO 18805, are covered by ISO 18807.

See more
View the extract
Main informations

Collections

National standards and national normative documents

Publication date

January 2020

Number of pages

29 p.

Reference

NF ISO 4251-1

ICS Codes

83.160.30   Tyres for agricultural machinery

Classification index

U12-004-1

Print number

1

International kinship

ISO 4251-1:2019
Sumary
Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines - Part 1 : tyre designation and dimensions, and approved rim contours

This document establishes the designation in use and the dimensions of code designated tyres in diagonal construction (ply rating marked series) for agricultural tractors, trailers and machines.

Tyre load ratings are given in ISO 4251‑2.

NOTE Code designated diagonal tyres (ply rating marked series) for construction applications (industrial tractors), identified by the classification code R-4, as specified in ISO 18805, or by suffix "IND" are covered by ISO 13442.

Code designated tyres in radial construction for drive wheels of agricultural tractors are covered by ISO 8664.

Code designated diagonal tyres (ply rating marked series) for forestry machines, identified by the classification code LS, as specified in ISO 18805, are covered by ISO 18807.

Replaced standards (1)
NF ISO 4251-1
August 2017
Standard Cancelled
Tyres (ply rating marked series) and rims for agricultural tractors and machines - Part 1 : tyre designation and dimensions, and approved rim contours

Le présent document établit la désignation en usage et fixe les cotes de pneumatiques de la série à marquage "équivalent nappes" ("ply-rating" en anglais) pour tracteurs et machines agricoles. Les capacités de charge des pneumatiques figurent dans la NF ISO 4251-2.

Table of contents
View the extract
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Marquage
  • 5 Cotes des pneumatiques
  • 6 Paramètres dimensionnels du pneumatique relatifs à la vitesse du véhicule
  • 7 Couples pneumatique-jante
  • 8 Chambres à air
  • Annexe A Désignations dimensionnelles, jantes de mesure et cotes de pneumatiques
  • Annexe B Profils de jantes approuvés
  • Annexe C Pneumatiques avec diamètres de jante nominaux à code 15.3 ou 16.1 et pneumatiques pour petits tracteurs agricoles
  • Annexe D Correspondances pour la circonférence de roulement (RC) , l'indice de circonférence de roulement (RCI) , l'indice de rayon de roulement (SRI)
  • Bibliographie
What is the Redline format?
The Redline + service - standards comparator allows you to easily and simply identify major changes between the current standard and its last canceled version.

At a glance, you will be able to identify the additions, deletions or modifications to a text, table, figure and formula.
At a glance, you will be able to identify the additions, deletions or modifications to a text, table, figure and formula

The Redlines + service is offered to you on the collection of French standards in force, in French language and in HTML and PDF format.

For an overview of the service, click on View a standard in redline format
Need to identify, monitor and decipher standards?

COBAZ is the simple and effective solution to meet the normative needs related to your activity, in France and abroad.

Available by subscription, CObaz is THE modular solution to compose according to your needs today and tomorrow. Quickly discover CObaz!

Request your free, no-obligation live demo

I discover COBAZ