ISO 10571:2024
(Main)Tyres for mobile cranes and similar specialized machines
Tyres for mobile cranes and similar specialized machines
This document specifies the designation, dimensions, load ratings and reference speed for tyres and rims fitted to vehicles, such as all-terrain equipment, mobile cranes, crash tenders, likely to operate on highway over long distances at reference speed and under constant load.
Pneumatiques pour grues mobiles et engins spéciaux similaires
ISO 10571:2016 spécifie la désignation, les cotes, les capacités de charge et la vitesse de référence des pneumatiques et des jantes montés sur des véhicules tels que les engins tout-terrain, les grues mobiles, les véhicules d'incendie, etc., susceptibles d'avoir à parcourir de longues distances sur route à une vitesse correspondant à la vitesse de référence et sous charge constante.
General Information
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Standards Content (Sample)
International
Standard
ISO 10571
Fourth edition
Tyres for mobile cranes and similar
2024-08
specialized machines
Pneumatiques pour grues mobiles et engins spéciaux similaires
Reference number
© ISO 2024
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Published in Switzerland
ii
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Tyre designation and marking . 2
4.1 General .2
4.2 Tyre size designation and service description .2
4.2.1 General .2
4.2.2 Nominal section width .2
4.2.3 Nominal aspect ratio.2
4.2.4 Tyre construction code .2
4.2.5 Nominal rim diameter code .2
4.2.6 Service description .2
4.3 Service identification (regional option) .3
4.4 Load range (regional option) .3
4.5 Other service characteristics .3
4.6 Example .3
5 Tyre dimensions . 4
6 Tyre load capacities . 4
6.1 Basic tyre loads .4
6.2 Tyre selection and limitations .4
6.3 Tyre loads at speeds other than reference speed .4
7 Approved rim contours . 4
Annex A (normative) Nominal section width steps . 9
Bibliography .10
iii
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 31, Tyres, rims and valves, Subcommittee SC 6,
Off-the-road tyres and rims.
This fourth edition cancels and replaces the third edition (ISO 10571:2016), which has been technically
revised.
The main changes are as follows:
— reference to ISO 17253 was added to the Introduction;
— definitions of road (3.1), driving on the road (3.2), off the road use (3.3), creep (3.4), and stationary (3.5)
were added;
— 4.3: ‘road use’ was replaced by ‘driving on the road’;
— Table 10 and Table 12 were added; all following tables were renumbered accordingly;
— in Tables 3, 5, and 13, 325/95R24 was added;
— in Table 5, 505/95R25 183E Load Range M was added;
— Table 13 (rims) was revised; rim 15.00/3.5 was replaced by 15.00/3.0 for 575/95R25.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
iv
Introduction
Tyre designations found within this document are intended for use on machinery found in ISO 17253.
Tyres for vehicles such as two axle, off-the-road cranes that only have incidental use on public roads are not
included in this document.
NOTE Equivalent terms commonly used in the tyre industry are given in ISO 3877-1.
v
International Standard ISO 10571:2024(en)
Tyres for mobile cranes and similar specialized machines
1 Scope
This document specifies the designation, dimensions, load ratings and reference speed for tyres and rims
fitted to vehicles, such as all-terrain equipment, mobile cranes, crash tenders, likely to operate on highway
over long distances at reference speed and under constant load.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
ISO 4209-1:2001, Truck and bus tyres and rims (metric series) — Part 1: Tyres
ISO 4223-1, Definitions of some terms used in the tyre industry — Part 1: Pneumatic tyres
ISO 4250-3, Earth-mover tyres and rims — Part 3: Rims
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 4223-1 and the following apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
road
public traffic area for use by automotive vehicles for travel or transportation
Note 1 to entry: A public traffic area does not include the sites of temporary road works (e.g. for repairs, maintenance,
alterations, improvements, installations, or any other works to, above or under a road, including works to road
equipment lighting, barriers, walls) or roads not open to the public (e.g. on new housing and industrial developments),
or on which public traffic is not permitted.
3.2
driving on the road
use of machines on the road (3.1) (e.g. driving between work sites, to and from the site of normal storage, or
driving for refuelling of the machine) for purposes other than intended operation
3.3
off the road use
use on any improved or unimproved surface that is not a road (3.1)
3.4
creep
movement of the vehicle at a very slow speed, not over 60 m in 30 min
Note 1 to entry: During creep motion, loads are very high. Consideration must be given to the type of surface over
which the vehicle is travelling on any improved or unimproved surface that is not a road.
3.5
stationary
vehicle is lifting a load with only the tyres for support
Note 1 to entry: Supplemental vehicle support, such as outriggers or vehicle jacks are not in use. Fore, aft, or sideways
movement of the vehicle is prohibited.
4 Tyre designation and marking
4.1 General
The designation of the tyre shall be shown on its sidewall and shall include the details in 4.2. Additional
markings as shown in 4.3, 4.4 and 4.5 may also be included (refer to regional regulations or practices).
4.2 Tyre size designation and service description
4.2.1 General
Tyres for mobile cranes in accordance with this document shall be indicated as follows:
Nominal Nominal Tyre Nominal Service
section aspect construction rim diameter description
width ratio code code
4.2.2 Nominal section width
The nominal section width shall be expressed in millimetres, ending in “5” in accordance with Annex A for
nominal section width steps.
4.2.3 Nominal aspect ratio
The nominal aspect ratio shall be expressed as a percentage and shall be a multiple of five.
4.2.4 Tyre construction code
The tyre construction code shall be as follows:
— (dash) for diagonal/bias construction
“R” for radial ply construction.
In addition, the word “RADIAL” may also appear on the tyre.
4.2.5 Nominal rim diameter code
The nominal rim diameter shall be expressed by a code, in accordance with ISO 4250-3.
4.2.6 Service description
4.2.6.1 General
The service description shall be indicated as follows:
Load index Speed symbol
4.2.6.2 Load index
The load index is a numerical code associated with the maximum load a tyre can carry at the speed indicated
by its speed symbol.
The correlation between load indices and tyre load-carrying capacity (TLCC) is as given in Table 1.
4.2.6.3 Speed symbol
The speed symbol indicates the speed category at which the tyre can carry the load corresponding to its
load index.
Tyres for mobile cranes in accordance with this document have speed symbol “E” or “F”, which correspond
to 70 km/h and 80 km/h, respectively.
4.3 Service identification (regional option)
The word “road” may be used t
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