EN ISO 4254-12:2012/A1:2017

Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers (ISO 4254-12:2012/Amd 1:2017)

Landmaschinen - Sicherheit - Teil 12: Kreiselmähwerke und Schlegelmäher (ISO 4254-12:2012/Amd 1:2017)

Matériel agricole - Sécurité - Partie 12: Faucheuses rotatives à disques, faucheuses rotatives à tambours et faucheuses-broyeuses (ISO 4254-12:2012/Amd 1:2017)

Kmetijski stroji - Varnost - 12. del: Rotacijske kosilnice in mulčerji - Dopolnilo A1 (ISO 4254-12:2012/Amd 1:2017)

General Information

• Status: Published
• Publication Date: 06-Jun-2017
• Withdrawal Date: 30-Dec-2017
• ICS: 65.060.50 - Harvesting equipment
• Technical Committee: CEN/TC 144 - Tractors and machinery for agriculture and forestry
• Drafting Committee: CEN/TC 144/WG 3 - Mobile machines and trailers
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 07-Jun-2017
• Completion Date: 07-Jun-2017
• 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: SIST EN ISO 4254-12:2012/A1:2017 - Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers (ISO 4254-12:2012/Amd 1:2017)

Relations

• Amends: EN ISO 4254-12:2012 - Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers (ISO 4254-12:2012)
• Effective Date: 24-Jun-2015

Overview

EN ISO 4254-12:2012/A1:2017 is a European standard focused on the safety requirements for agricultural machinery, specifically addressing rotary disc and drum mowers as well as flail mowers. This amendment to ISO 4254-12:2012 updates technical and safety provisions to ensure harmonized and effective safety controls across the agricultural sector. The standard facilitates safer operation of these mowing machines, aligning with European Union directives and international best practices.

Developed by ISO/TC 23 and CEN/TC 144, this standard supports manufacturers, designers, and users by providing clear safety guidelines to reduce risks associated with rotary and flail mowing equipment used in agriculture. It is widely adopted by national standardization bodies across Europe, enhancing equipment safety compliance on an international level.

Key Topics

• Scope & Application
  EN ISO 4254-12 covers the safety aspects of rotary disc and drum mowers and flail mowers used in agricultural operations. These include machine design features to minimize hazards during operation, adjustment, maintenance, and transport.

• Safety Controls Positioning
  Controls for machine adjustment must be located conveniently-on top, sides, front, or rear-with a maximum horizontal distance of 550 mm within the mower’s overall outer limits. For mounted mowers, additional positioning rules per ISO 4254-1:2008 apply, ensuring ease of access and operator safety.

• Updated References
  The amendment updates references to the latest blade safety requirements, replacing ISO 5718:2002 with ISO 5718:2013. This ensures compatibility with the newest safety criteria for rotary mower blades.

• Compliance and Harmonization
  The standard mandates national adoption by CEN member states and supports withdrawal of conflicting national standards by December 2017. This ensures coherence in agricultural machinery safety standards throughout Europe.

Applications

• Agricultural Machinery Manufacturing
  Manufacturers of rotary disc, drum, and flail mowers rely on EN ISO 4254-12:2012/A1:2017 to design safe farming equipment that meets legal and market requirements, reducing liability and enhancing user confidence.

• Farm Operations Safety Management
  Farmers and agricultural service providers use this standard as a benchmark to assess the safety and operational reliability of their mowing machinery, contributing to safer working environments.

• Regulatory Compliance and Certification
  This standard supports compliance with European Union machinery directives, facilitating product certification processes and ensuring market access within Europe.

• Technical Training and Maintenance
  Safety instructions derived from this standard guide operators and maintenance personnel in proper equipment handling, adjustment, and troubleshooting, minimizing accidents related to rotary and flail mowers.

Related Standards

• ISO 4254-1:2008 – General safety requirements for agricultural machinery, complementing the specific mower safety guidelines in Part 12.

• ISO 5718:2013 – Specifies requirements for blades used in agricultural rotary mowers, referenced and integrated within EN ISO 4254-12:2012/A1:2017 to enhance blade safety.

• EU Machinery Directive (2006/42/EC) – This standard supports compliance with essential health and safety requirements outlined in EU legislation governing machinery safety.

• EN ISO 4254 Series – A comprehensive framework of safety standards covering various types of agricultural machinery, supporting modular and harmonized safety approaches.

---

Keywords: agricultural machinery safety, rotary disc mowers, drum mowers, flail mowers, ISO 4254-12 amendment, mower safety standards, blade safety, agricultural equipment compliance, European standards, CEN safety regulation, mower controls positioning.

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2017
.PHWLMVNLVWURML9DUQRVWGHO5RWDFLMVNHNRVLOQLFHLQPXOþHUML'RSROQLOR$
,62$PG
Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers
(ISO 4254-12:2012/Amd 1:2017)
Landmaschinen - Sicherheit - Teil 12: Kreiselmähwerke und Schlegelmäher (ISO 4254-
12:2012/Amd 1:2017)
Matériel agricole - Sécurité - Partie 12: Faucheuses rotatives à disques, faucheuses
rotatives à tambours et faucheuses-broyeuses (ISO 4254-12:2012/Amd 1:2017)
Ta slovenski standard je istoveten z: EN ISO 4254-12:2012/A1:2017
ICS:
65.060.50 Oprema za spravilo pridelkov Harvesting equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 4254-12:2012/A1
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2017
EUROPÄISCHE NORM
ICS 65.060.50
English Version
Agricultural machinery - Safety - Part 12: Rotary disc and
drum mowers and flail mowers (ISO 4254-12:2012/Amd
1:2017)
Matériel agricole - Sécurité - Partie 12: Faucheuses Landmaschinen - Sicherheit - Teil 12:
rotatives à disques, faucheuses rotatives à tambours et Kreiselmähwerke und Schlegelmäher (ISO 4254-
faucheuses-broyeuses (ISO 4254-12:2012/Amd 12:2012/Amd 1:2017)
1:2017)
This amendment A1 modifies the European Standard EN ISO 4254-12:2012; it was approved by CEN on 26 May 2017.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant 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 amendment 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4254-12:2012/A1:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 4254-12:2012/A1:2017) has been prepared by Technical Committee ISO/TC 23
“Tractors and machinery for agriculture and forestry” in collaboration with Technical Committee
CEN/TC 144 “Tractors and machinery for agriculture and forestry” the secretariat of which is held by
AFNOR.
This Amendment to the European Standard EN ISO 4254-12:2012 shall be given the status of a national
standard, either by publication of an identical text or by endorsement, at the latest by December 2017,
and conflicting national standards shall be withdrawn at the latest by December 2017.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent
rights.
This document has been prepared under a mandate 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, included in EN ISO 4254-12:2012.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Icela
...