SIST EN 474-2:2022

Earth-moving machinery - Safety - Part 2: Requirements for tractor-dozers

This document together with EN 474 1:2022 deals with all significant hazards, hazardous situations and events relevant to tractor-dozers when used as intended and under the conditions of misuse which are reasonably foreseeable by the manufacturer (see Annex A) associated with the whole lifetime of the machine as described in EN ISO 12100:2010, 5.4.
The following significant and relevant hazards are not covered in this document:
—   Laser;
—   Lightning.
The requirements of this document are complementary to the common requirements formulated in EN 474-1:2022. This document does not repeat the requirements of EN 474-1:2022 but supplements or modifies the requirements for tractor-dozers.
This document does not provide requirements for main electrical circuits and drives of machinery when the primary source of energy is an external electrical supply.
This document does not provide performance requirements for safety related functions of control system(s).
This document does not deal with towing of trailers.
This document does not deal with demolition machinery.
This part also deals with fork application, log handling application, single heavy object handling application and lifting operation application.
This document is not applicable to tractor-dozers which are manufactured before the date of publication of this document by CEN.

Erdbaumaschinen - Sicherheit - Teil 2: Anforderungen für Planiermaschinen

Dieses Dokument behandelt zusammen mit EN 474 1:2022 alle signifikanten Gefährdungen, Gefährdungssituationen und  ereignisse von Planiermaschinen, wenn diese Maschinen bestimmungsgemäß verwendet werden sowie unter den vernünftigerweise vom Hersteller vorhersehbaren Fehlanwendungen (siehe Anhang A) für die gesamte Lebensdauer der Maschine wie in EN ISO 12100:2010, 5.4, beschrieben betrieben werden.
Die folgenden signifikanten und relevanten Gefährdungen werden in diesem Dokument nicht behandelt:
—   Laserstrahlung;
—   Blitzschlag.
Die Anforderungen dieses Dokuments gelten ergänzend zu den allgemeinen Anforderungen der EN 474 1:2022. Dieses Dokument wiederholt nicht die Anforderungen in EN 474 1:2022, sondern ergänzt oder ändert diese für den Einsatz von Planiermaschinen.
Dieses Dokument enthält keine Anforderungen an den Hauptstromkreis und den Antrieb, wenn die primäre Energiequelle eine externe Stromversorgung ist.
Dieses Dokument enthält keine Leistungsanforderungen an Sicherheitsfunktionen von Steuerungssystemen.
Dieses Dokument behandelt nicht das Ziehen von Anhängern.
Dieses Dokument behandelt keine Abrissmaschinen.
Dieser Teil behandelt auch den Einsatz mit Gabelzinken, den Einsatz mit Baumklammer, den Einsatz mit schweren Einzellasten und den Hebebetrieb.
Dieses Dokument ist nicht anwendbar für Planiermaschinen, die vor Veröffentlichung dieses Dokuments durch CEN hergestellt wurden.

Engins de terrassement - Sécurité - Partie 2 : Prescriptions applicables aux bouteurs

Le présent document associé au EN 474 1:2022 traite de tous les phénomènes dangereux significatifs, situations dangereuses et événements se rapportant aux bouteurs, lorsqu'ils sont utilisés normalement et dans les conditions prévues, mais en tenant également compte des mauvais usages raisonnablement prévisibles (voir Annexe A), associés à toute la durée de vie de l'engin, comme décrit dans l'EN ISO 12100:2010, 5.4.
Les phénomènes dangereux significatifs et pertinents suivants ne sont pas couverts par le présent document :
—   laser ;
—   foudre.
Les prescriptions du présent document viennent en complément des prescriptions communes présentées dans l’EN 474-1:2022. Le présent document ne répète pas les prescriptions de l’EN 474-1:2022 mais complète ou modifie les prescriptions pour les bouteurs.
Le présent document ne spécifie aucune prescription relative aux circuits électriques principaux et aux commandes des engins lorsque la principale source d'énergie est une alimentation électrique externe.
Le présent document ne spécifie aucune prescription de performance relative aux fonctions de sécurité du (des) système(s) de commande.
Le présent document ne traite pas des remorques attelées à un véhicule.
Le présent document ne traite pas des engins de démolition.
La présente partie traite également de l'utilisation avec fourches, en manutention de grumes, en manutention d'objets unitaires lourds et en opérations de levage.
Le présent document n'est pas applicable aux bouteurs fabriqués avant la date de publication du présent document par le CEN.

Stroji za zemeljska dela - Varnost - 2. del: Zahteve za buldožerje

Ta evropski standard določa splošne varnostne zahteve za nakladalnike, opisane v standardu EN ISO 6165:2012.
Ta del obravnava tudi uporabo vilic, rokovanje s težkim predmetom ter rokovanje s predmeti in hlodi.
Zahteve iz tega dela dopolnjujejo splošne zahteve iz standarda
prEN 474-1:2017.
Ta del ne navaja ponovno zahtev iz standarda prEN 474-1:2017, temveč dodaja ali nadomešča zahteve za uporabo nakladalnikov.
Ta evropski standard obravnava vsa večja tveganja, nevarne situacije in nevarne dogodke v zvezi s stroji za zemeljska dela, kadar se uporabljajo v skladu s predvidenim namenom ter pod pričakovanimi pogoji, pri čemer se upošteva tudi morebitna razumno predvidena nepravilna uporaba teh strojev (glej točko 4). Ta evropski standard določa ustrezne tehnične ukrepe za zmanjšanje večjih tveganj, nevarnih situacij in nevarnih dogodkov v celotni pričakovani življenjski dobi strojev.
Ta evropski standard se ne uporablja za stroje za zemeljska dela, izdelane pred datumom izdaje tega evropskega standarda s strani Evropskega odbora za standardizacijo (CEN).
OPOMBA:   Za prevažanje po javnih cestah veljajo nacionalni prometni predpisi (npr. glede zaviranja, krmiljenja, razsvetljave, vleke itd.), dokler ne bodo na voljo usklajene zahteve.

General Information

• Status: Published
• Public Enquiry End Date: 21-Jun-2017
• Publication Date: 11-Apr-2022
• ICS: 53.100 - Earth-moving machinery
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 06-Apr-2022
• Due Date: 11-Jun-2022
• Completion Date: 12-Apr-2022
• Directive: 2006/42/EC - Directive 2006/42/EC of the European Parliament and of the Council of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast)
• Mandate: M/396 - Mandate to CEN and Cenelec for standardisation in the field of machinery
• Ref Project: EN 474-2:2022 - Earth-moving machinery - Safety - Part 2: Requirements for tractor-dozers

Relations

• Replaces: SIST EN 474-2:2007+A1:2008 - Earth-moving machinery - Safety - Part 2: Requirements for tractor-dozers
• Effective Date: 06-Apr-2022

Overview

EN 474-2:2022 - published by CEN - is the European safety standard for tractor-dozers as part of the EN 474 “Earth-moving machinery - Safety” series. Used together with EN 474-1:2022 (General requirements), this type‑C standard addresses all significant hazards, hazardous situations and events relevant to tractor‑dozers during their expected lifetime (see EN ISO 12100:2010). It supersedes EN 474-2:2006+A1:2008 and is not applicable to machines manufactured before its publication.

Key exclusions are explicitly stated: laser and lightning hazards; main electrical circuits when the primary energy source is external electrical supply; performance requirements for safety-related control system functions; towing of trailers; and demolition machinery.

Key topics and requirements

• Scope and relation to EN 474-1: EN 474-2:2022 supplements and, where necessary, modifies EN 474-1:2022 rather than repeating it. Where conflicts arise, this part takes precedence for tractor‑dozers.
• Risk assessment requirement: Design and risk-reduction shall follow EN ISO 12100:2010 principles; Annex A lists significant hazards identified by the committee.
• Seat vibration: Seating must meet input spectral requirements in EN ISO 7096:2020 (EM6 for crawler dozers <50 000 kg; EM5 for wheel dozers; crawler ≥50 000 kg per EN ISO 7096).
• Rear-mounted winch: If fitted, winch design, drum, rope and brake must comply with ISO 19472. Winch attachments must withstand twice the maximum line-pull without permanent deformation. Controls and operator protection (screening/cab protection per ISO 8084) are required.
• Verification methods (Clause 5 / Table 1): Specified verification includes calculation, visual verification, measurement, functional tests and special verification (by reference to other standards).
• Information for use: Operator’s manuals and safety labels per EN ISO 12100 and EN 474-1, with additional marking and information for rear‑mounted winch maximum pull force (in N).

Applications

• Provides mandatory safety requirements for the design, manufacture and documentation of crawler and wheel tractor‑dozers used in construction, earthworks, forestry fork/log handling and single heavy‑object/lifting applications.
• Used during type design, conformity assessment, technical file compilation and by manufacturers to demonstrate compliance with EU machinery directive requirements (see Annex ZA).

Who should use this standard

• Machine manufacturers (design, production teams)
• Safety engineers and compliance officers
• Regulators, market surveillance and certification bodies
• Service & maintenance providers and fleet owners assessing retrofit or modification risks

Related standards

• EN 474-1:2022 (General requirements)
• EN ISO 12100:2010 (Risk assessment)
• EN ISO 7096:2020 (Seat vibration)
• ISO 19472 (Winches)
• EN ISO 3411:2007, ISO 8084 and other normative references listed in EN 474-2:2022

Keywords: EN 474-2:2022, tractor-dozers, earth-moving machinery, safety standard, CEN, rear-mounted winch, operator seat, risk assessment.

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2022
Nadomešča:
SIST EN 474-2:2007+A1:2008
Stroji za zemeljska dela - Varnost - 2. del: Zahteve za buldožerje
Earth-moving machinery - Safety - Part 2: Requirements for tractor-dozers
Erdbaumaschinen - Sicherheit - Teil 2: Anforderungen für Planiermaschinen
Engins de terrassement - Sécurité - Partie 2 : Prescriptions applicables aux bouteurs
Ta slovenski standard je istoveten z: EN 474-2:2022
ICS:
53.100 Stroji za zemeljska dela Earth-moving machinery
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 474-2
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2022
EUROPÄISCHE NORM
ICS 53.100 Supersedes EN 474-2:2006+A1:2008
English Version
Earth-moving machinery - Safety - Part 2: Requirements
for tractor-dozers
Engins de terrassement - Sécurité - Partie 2 : Erdbaumaschinen - Sicherheit - Teil 2: Anforderungen
Prescriptions applicables aux bouteurs für Planiermaschinen
This European Standard was approved by CEN on 14 February 2022.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 474-2:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Safety requirements and/or protective/risk reduction measures . 7
4.1 General . 7
4.2 Seat . 7
4.3 Rear-mounted winch . 8
5 Verification of the safety requirements and/or protective/risk reduction measures . 8
6 Information for use . 9
6.1 General . 9
6.2 Machine safety labels . 9
6.3 Operator's manual . 9
Annex A (informative) List of significant hazards . 10
Annex B (informative) Illustrations . 15
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2006/42/EC machinery, and amending Directive
95/16/EC (recast) [2006 L157] aimed to be covered . 17
Bibliography . 22

European foreword
This document (EN 474-2:2022) has been prepared by Technical Committee CEN/TC 151 “Construction
equipment and building material machines - Safety”, the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by September 2022, and conflicting national standards shall
be withdrawn at the latest by March 2024.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 474-2:2006+A1:2008.
This document has been prepared under a standardization request given to CEN by the European
Commission and the European Free Trade Association, and supports essential requirements of
EU Directive(s).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this
document.
For bibliographic references, see EN 474-1:2022.
EN 474 “Earth-moving machinery — Safety” comprises the following parts:
— Part 1: General requirements
— Part 2: Requirements for tractor-dozers
— Part 3: Requirements for loaders
— Part 4: Requirements for backhoe-loaders
— Part 5: Requirements for hydraulic excavators
— Part 6: Requirements for dumpers
— Part 7: Requirements for scrapers
— Part 8: Requirements for graders
— Part 9: Requirements for pipelayers
— Part 10: Requirements for trenchers
— Part 11: Requirements for earth and landfill compactors
— Part 12: Requirements for cable excavators
— Part 13: Requirements for rollers
This document is intended for use in combination with part 1 of the series.
The main differences between this document and EN 474-2:2006+A1:2008 are as follows:
a) safety-related functions of control systems (excluded);
b) normative references (updated);
c) verification methods table (Clause 5) (added);
d) list of significant hazards (Annex A) (updated);
e) Annex ZA (updated).
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United
Kingdom.
Introduction
This document is a type-C standard as stated in EN ISO 12100.
This document is of relevance, in particular, for the following stakeholder groups representing the market
players with regard to machinery safety:
— machine manufacturers (small, medium and large enterprises);
— health and safety bodies (regulators, accident prevention organizations, market surveillance, etc.).
Others can be affected by the level of machinery safety achieved with the means of the document by the
above-mentioned stakeholder groups:
— machine users/employers (small, medium and large enterprises);
— machine users/employees (e.g. trade unions, organizations for people with special needs);
— service providers, e.g. for maintenance (small, medium and large enterprises);
— consumers (in case of machinery intended for use by consumers).
The above-mentioned stakeholder groups have been given the possibility to participate at the drafting
process of this document.
The machinery concerned and the extent to which hazards, hazardous situations or hazardous events are
covered are indicated in the Scope of this document.
When requirements of this type-C standard are different from those which are stated in type-A or type-B
standards, the requirements of this type-C standard take precedence over the requirements of the other
standards for machines that have been designed and built according to the requirements of this type-C
standard.
1 Scope
This document together with EN 474-1:2022 deals with all significant hazards, hazardous situations and
events relevant to tractor-dozers when used as intended and under the conditions of misuse which are
reasonably foreseeable by the manufacturer (see Annex A) associated with the whole lifetime of the
machine as described in EN ISO 12100:2010, 5.4.
The following significant and relevant hazards are not covered in this document:
— Laser;
— Lightning.
The requirements of this document are complementary to the common requirements formulated in
EN 474-1:2022. This document does not repeat the requirements of EN 474-1:2022 but supplements or
modifies the requirements for tractor-dozers.
This document does not provide requirements for main electrical circuits and drives of machinery when
the primary source of energy is an external electrical supply.
This document does not provide performance requirements for safety related functions of control
system(s).
This document does not deal with towing of trailers.
This document does not deal with demolition machinery.
This part also deals with fork application, log handling application, single heavy object handling
application and lifting operation application.
This document is not applicable to tractor-dozers which are manufactured before the date of publication
of this document by CEN.
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.
EN 474-1:2022, Earth-moving machinery — Safety — Part 1: General requirements
EN ISO 3411:2007, Earth-moving machinery — Physical dimensions of operators and minimum operator
space envelope (ISO 3411:2007)
EN ISO 6165:2012, Earth-moving machinery — Basic types — Identification and terms and definitions
(ISO 6165:2012)
EN ISO 7096:2020, Earth-moving machinery — Laboratory evaluation of operator seat vibration
(ISO 7096:2020)
EN ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk
reduction (ISO 12100:2010)
ISO 6016:2008, Earth-moving machinery — Methods of measuring the masses of whole machines, their
equipment and components
ISO 8084:2003, Machinery for forestry — Operator protective structures — Laboratory tests and
performance requirements
ISO 8084:2003/Amd 1:2015, Machinery for forestry — Operator protective structures — Laboratory tests
and performance requirements — Amendment 1
ISO 19472:2006+TC 1:2006, Machinery for forestry — Winches — Dimensions, performance and safety
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 474-1:2022, EN ISO 12100:2010
and the following apply.
Terminology for tractor-dozers is specified in ISO 6747:2013 and the most common tractor-dozers are
illustrated in Annex B of this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at https://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1
tractor-dozer
self-propelled crawler or wheeled machine with equipment having either dozing attachment which cuts,
moves, and grades material through forward motion of the machine or a mounted attachment used to
exert a push or a pull force (see EN ISO 6165:2012)
4 Safety requirements and/or protective/risk reduction measures
4.1 General
4.1.1 Context
Tractor-dozers shall comply with the safety requirements and/or protective/risk reduction measures of
this clause. In addition, the machines shall be designed according to the principles of EN ISO 12100:2010
for relevant but not significant hazards which are not dealt with by this document.
4.1.2 Specific relation to EN 474-1
Tractor-dozers shall comply with the requirements of EN 474-1:2022, as far as not modified or replaced
by the requirements of this part.
There are general requirements specified in EN 474-1:2022 that are not applicable because the risk
assessment has shown that for tractor-dozers the corresponding hazard does not exist. For tractor-
dozers 4.2.2, 4.3.5, 4.12, 4.14.2.3, 4.22.5, Annex B and Annex C in EN 474-1:2022, are not applicable.
4.2 Seat
EN 474-1:2022, 4.4 applies with the following addition:
The seat shall meet the input spectral according to EN ISO 7096:2020:
— EM6 for crawler dozers less than 50 000 kg operating mass according to ISO 6016:2008;
— EM5 for wheel dozers;
— for crawler dozer greater than or equal to 50 000 kg, see EN ISO 7096:2020.
4.3 Rear-mounted winch
4.3.1 General
If a rear-mounted winch is needed, 4.3.2, 4.3.3 and 4.3.4 apply.
4.3.2 Safety requirements
Mechanical safety shall comply with the safety requirements of ISO 19472:2006+TC1:2006, 6.1.
Drum shall comply with the safety requirements of ISO 19472:2006+TC1:2006, 6.2.
Rope shall comply with the safety requirements of ISO 19472:2006+TC1:2006, 6.3 and 6.4.
Brake shall comply with the safety requirements of ISO 19472:2006+TC1:2006, 6.5.
The means for securing a winch to the machine structure shall be designed to withstand a force of twice
the maximum line-pull that can be exerted by the rope without permanent, visible deformation.
4.3.3 Controls
EN 474-1:2022, 4.5 applies with the following addition:
Controls related to rear-mounted winch shall comply with the requirements of
ISO 19472:2006+TC1:2006, 6.6.
4.3.4 Protection
Where a rear-mounted winch is fitted, provision shall be made to allow for protection.
Constructional requirements of tractor-dozers equipped with a rear-mounted winch shall comply with
ISO 8084:2003, ISO 8084:2003+Amd 1:2015, 5.2.3, or equivalent protection between the oper
...