SIST EN ISO 8437-1:2021/A1:2026

• Status: Published
• Public Enquiry End Date: 31-Jul-2022
• Publication Date: 10-Jun-2026
• ICS: 43.160 - Special purpose vehicles
• Technical Committee: IMKG - Machinery for agriculture and forestry
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 27-May-2026
• Due Date: 01-Aug-2026
• Completion Date: 11-Jun-2026
• 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)
  OJ Ref: L 7.9.2026 OJ Date: 07-Sep-2026
• Mandate: M/396 - Mandate to CEN and Cenelec for standardisation in the field of machinery
• Ref Project: EN ISO 8437-1:2021/A1:2026 - Snow throwers - Safety requirements and test procedures - Part 1: Terminology and common tests - Amendment 1: Scope clarification (ISO 8437-1:2019/Amd 1:2026)

• Amends: SIST EN ISO 8437-1:2021 - Snow throwers - Safety requirements and test procedures - Part 1: Terminology and common tests (ISO 8437-1:2019)
• Effective Date: 01-Jul-2026

SIST EN ISO 8437-1:2021/A1:2026 is the Slovenian adoption of the European amendment EN ISO 8437-1:2021/A1:2026 for snow throwers. It clarifies the scope of Part 1 of the ISO 8437 series by stating that its terms, definitions and common test methods apply to combustion engine powered pedestrian-controlled and ride-on snow throwers. Engineers, test laboratories, quality managers and buyers use it to check whether Part 1 is the right document for a given machine type.

What does SIST EN ISO 8437-1:2021/A1:2026 specify?

SIST EN ISO 8437-1:2021/A1:2026 is an amendment to EN ISO 8437-1:2021, not a full rewrite of the snow thrower standard. Its main job is to replace the opening scope paragraph in the ISO text and make the application of Part 1 more explicit.

The clarified scope ties Part 1 to combustion engine powered pedestrian-controlled and ride-on snow throwers. In practice, that tells the reader which machines fall under the terminology and common test methods in this part of the series.

Annex	What it covers
Annex ZA	Relationship between this European Standard and the essential requirements of Directive 2006/42/EC aimed to be covered

The document is also intended to be used with ISO 8437-2, ISO 8437-3 and ISO 8437-4. That means Part 1 is only one piece of the series, and product-specific requirements come from the companion parts.

What are the key requirements of SIST EN ISO 8437-1:2021/A1:2026?

SIST EN ISO 8437-1:2021/A1:2026 contains one substantive technical change: the scope statement. The rest of the document mainly supports publication, European adoption and the link to machinery legislation.

Scope clarification

The amended scope states that Part 1 covers terms and definitions, and common test methods, for combustion engine powered pedestrian-controlled and ride-on snow throwers. For users, this means the first check is whether the machine type matches that description before applying the part.

Use with the rest of the series

SIST EN ISO 8437-1:2021/A1:2026 is intended to be used together with ISO 8437-2, ISO 8437-3 and ISO 8437-4. In practice, that means Part 1 provides the common base, while the other parts are needed for the more specific safety requirements of the family.

European legal relationship

Annex ZA links the standard to Directive 2006/42/EC on machinery. Table ZA.1 shows which clauses of EN ISO 8437-1 contribute to essential requirements such as safety integration, materials and products, extreme temperatures, fire, hazardous materials, information and warnings, residual risks, and marking.

Normative references in the European annex

Table ZA.2 names ISO 12100 and ISO 17398 as normative references for the application of the standard. In practice, ISO 12100 supports risk assessment and risk reduction, while ISO 17398 supports safety colours and safety signs.

Practical conformity use

Annex ZA states that, once cited in the Official Journal of the European Union under Directive 2006/42/EC, compliance with the normative clauses gives a presumption of conformity within the scope of the standard. For compliance teams, that makes Annex ZA important when preparing a machinery conformity file.

What terms does SIST EN ISO 8437-1:2021/A1:2026 define?

SIST EN ISO 8437-1:2021/A1:2026 uses a small set of terms and abbreviations that matter for reading the document.

• ISO - International Organization for Standardization, the body that published the underlying international amendment.
• CEN - European Committee for Standardization, which approved the European amendment.
• Annex ZA - the informative annex that links the European Standard to Directive 2006/42/EC.
• Directive 2006/42/EC - the EU machinery directive referenced in Annex ZA.
• EHSR - essential health and safety requirements, the directive requirements mapped in Table ZA.1.
• ISO 12100 - the referenced safety of machinery standard for risk assessment and risk reduction.
• ISO 17398 - the referenced standard for safety colours and safety signs.

Who uses SIST EN ISO 8437-1:2021/A1:2026?

SIST EN ISO 8437-1:2021/A1:2026 is used by manufacturers of snow throwers, especially for combustion engine powered pedestrian-controlled and ride-on machines. Test laboratories use it when they need to apply the common tests that belong to Part 1.

Quality managers, compliance engineers and certification teams use it to decide whether a product belongs in the Part 1 scope and how it connects to the rest of the ISO 8437 series. In the European context, regulatory and conformity-assessment teams use Annex ZA when relating the standard to Directive 2006/42/EC.

What changed in SIST EN ISO 8437-1:2021/A1:2026 from the previous edition?

SIST EN ISO 8437-1:2021/A1:2026 is Amendment 1 to EN ISO 8437-1:2021. The change stated in the amendment is a scope clarification.

The replacement text narrows the scope statement for Part 1 to combustion engine powered pedestrian-controlled and ride-on snow throwers. For users, that means the opening paragraph is now explicit about the machine types covered by the terms, definitions and common test methods.

Which standards are used with SIST EN ISO 8437-1:2021/A1:2026?

Standard	What it contributes
ISO 8437-2	Companion part intended to be used with Part 1
ISO 8437-3	Companion part intended to be used with Part 1
ISO 8437-4	Companion part intended to be used with Part 1
ISO 12100:2010	Risk assessment and risk reduction reference in Annex ZA
ISO 17398:2004	Safety colours and safety signs reference in Annex ZA

What does the SIST EN ISO 8437-1:2021/A1:2026 document contain?

This amendment contains the European foreword, the endorsement notice and Annex ZA. Annex ZA includes Table ZA.1, which maps clauses of the standard to essential requirements of Directive 2006/42/EC, and Table ZA.2, which lists the normative references used with the document.

The amendment text itself is short and replaces one scope paragraph in the ISO standard. It does not add new test procedures of its own; instead, it refines where Part 1 applies and how it fits into the broader snow thrower safety series.

SLOVENSKI STANDARD
01-julij-2026
Snežne freze - Varnostne zahteve in preskusni postopki - 1. del: Terminologija in
splošni preskusi - Dopolnilo A1: Pojasnilo področja uporabe (ISO 8437-
1:2019/Amd 1:2026)
Snow throwers - Safety requirements and test procedures - Part 1: Terminology and
common tests - Amendment 1: Scope clarification (ISO 8437-1:2019/Amd 1:2026)
Schneefräsen - Sicherheitsanforderungen und Prüfverfahren - Teil 1: Begriffe und
allgemeine Prüfverfahren - Änderung 1 (ISO 8437-1:2019/Amd 1:2026)
Chasse-neige - Exigences de sécurité et essais - Partie 1: Terminologie et essais
communs - Amendement 1: Clarification du domaine d'application (ISO 8437-
1:2019/Amd 1:2026)
Ta slovenski standard je istoveten z: EN ISO 8437-1:2021/A1:2026
ICS:
43.160 Vozila za posebne namene Special purpose vehicles
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 8437-1:2021/A1
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2026
EUROPÄISCHE NORM
ICS 43.160
English Version
Snow throwers - Safety requirements and test procedures
- Part 1: Terminology and common tests - Amendment 1:
Scope clarification (ISO 8437-1:2019/Amd 1:2026)
Chasse-neige - Exigences de sécurité et essais - Partie Schneefräsen - Sicherheitsanforderungen und
1: Terminologie et essais communs - Amendement 1: Prüfverfahren - Teil 1: Begriffe und allgemeine
Clarification du domaine d'application (ISO 8437- Prüfverfahren - Änderung 1: Klarstellung des
1:2019/Amd 1:2026) Anwendungsbereichs (ISO 8437-1:2019/Amd 1:2026)
This amendment A1 modifies the European Standard EN ISO 8437-1:2021; it was approved by CEN on 21 April 2026.

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, 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, Türkiye 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
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 8437-1:2021/A1:2026 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive2006/42/EC aimed to be covered . 4

European foreword
This document (EN ISO 8437-1:2021/A1:2026) 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 8437-1:2021 shall be given the status of a national
standard, either by publication of an identical text or by endorsement, at the latest by November 2026,
and conflicting national standards shall be withdrawn at the latest by November 2026.
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 has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For the relationship with EU Legislation, see informative Annex ZA, which is an integral part of this
document.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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, 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, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 8437-1:2019/Amd 1:2026 has been approved by CEN as EN ISO 8437-1:2021/A1:2026
without any modification.
Annex ZA
(informative)
Relationship between this European Standard and the essential
requirements of Directive2006/42/EC aimed to be covered
This European Standard has been prepared under a Commission’s standardization request “M/396
Mandate to CEN and CENELEC for Standardisation in the field of machinery" to provide one voluntary
means of conforming to essential requirements of 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).
Once this standard is cited in the Official Journal of the European Union under that Directive,
compliance with the normative clauses of this standard given in Table ZA.1 confers, within the limits of
the scope of this standard, a presumption of conformity with the corresponding essential requirements
of that Directive, and associated EFTA regulations.
Table ZA.1 — Correspondence between this European Standard and Annex I of Directive
2006/42/EC
The relevant Essential Clause(s)/sub-clause(s) of this Remarks/Notes
Requirements of Directive EN
2006/42/EC *
1. ESSENTIAL HEALTH AND
SAFETY REQUIREMENTS
1.1.2. Principles of safety
integration
1.1.2(a) 4, 5
1.1.2(c) 4, 5
1.1.3. Materials and products 4.2, 4.3, 4.4, 5
1.5. RISKS DUE TO OTHER
HAZARDS
1.5.5. Extreme temperatures 4.3
1.5.6. Fire 4.4.1, 4.4.2
...