SIST EN ISO 8437-2:2021/A1:2026

• Status: Published
• Public Enquiry End Date: 31-Jul-2022
• Publication Date: 27-May-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: 28-May-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 8437-2:2021/A1:2026 - Snow throwers - Safety requirements and test procedures - Part 2: Pedestrian-controlled snow throwers - Amendment 1 (ISO 8437-2:2019/Amd 1:2026)

• Amends: SIST EN ISO 8437-2:2021 - Snow throwers - Safety requirements and test procedures - Part 2: Pedestrian controlled snow throwers (ISO 8437-2:2019)
• Effective Date: 01-Jul-2026

SIST EN ISO 8437-2:2021/A1:2026 is the Slovenian adoption of the European amendment EN ISO 8437-2:2021/A1:2026 for pedestrian-controlled snow throwers. It updates the safety requirements and test procedures for combustion engine powered machines, so designers, manufacturers, test laboratories and compliance teams can apply the same changes in product design, testing and conformity work.

What does SIST EN ISO 8437-2:2021/A1:2026 specify?

SIST EN ISO 8437-2:2021/A1:2026 specifies safety requirements for combustion engine powered pedestrian-controlled snow throwers. As an amendment, it changes selected parts of EN ISO 8437-2:2021 rather than replacing the whole series.

The document is organized as a European amendment with a European foreword and informative Annex ZA. Annex ZA links the standard to Directive 2006/42/EC for European use.

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

What are the key requirements of SIST EN ISO 8437-2:2021/A1:2026?

SIST EN ISO 8437-2:2021/A1:2026 makes three targeted changes that matter in practice. They narrow the scope, point users to a specific structural test, and update the regional and national requirements note.

• The scope is replaced with wording that limits the document to combustion engine powered pedestrian-controlled snow throwers. For users, that means the amendment is focused on this machine type and not on other snow thrower configurations.

• Clause 4.2.1 adds a check for the structural integrity of non-metallic snow discharge chutes and deflectors by using the testing and acceptance criteria of ISO 8437-1:2019, 4.2. In practice, designers and test labs need to use that referenced method when verifying these parts.

• Clause A.2.1 is replaced so that, for additional regional and national requirements, ISO 8437-4:2019, Clause 5 applies. This gives manufacturers and market access teams a place to look when they need country-specific provisions.

• Annex ZA ties the standard to the essential health and safety requirements of Directive 2006/42/EC. For compliance work, that matters because the normative clauses listed there are the route to presumption of conformity within the scope of the standard.

• Annex ZA also shows which EN ISO clauses relate to subjects such as guards, control systems, maintenance, instructions, noise, vibration and markings. That helps a buyer or manufacturer see where design, documentation and testing evidence will be needed.

What terms does SIST EN ISO 8437-2:2021/A1:2026 define?

SIST EN ISO 8437-2:2021/A1:2026 uses a few key terms that frame its application.

• Pedestrian-controlled snow throwers - snow throwers operated by a walking person, which is the machine type covered by the scope.
• Combustion engine powered - driven by a combustion engine, which is important because the amendment applies to this power source.
• Non-metallic snow discharge chutes and deflectors - discharge components made from non-metallic materials, which are checked by the referenced structural integrity test.
• Annex ZA - the European annex that maps the standard to Directive 2006/42/EC.
• Presumption of conformity - the regulatory benefit described in Annex ZA when the relevant normative clauses are applied and the standard is cited in the Official Journal of the European Union.
• CEN - the European Committee for Standardization, which approved the amendment as a European Standard.

Who uses SIST EN ISO 8437-2:2021/A1:2026?

SIST EN ISO 8437-2:2021/A1:2026 is used by manufacturers, product designers, test laboratories and compliance teams working on pedestrian-controlled snow throwers. They use it to align safety design, verify structural parts, and prepare technical documentation.

It is also relevant to quality managers, certification bodies and market surveillance staff who need to check whether a machine follows the referenced safety and test provisions. For European market access, Annex ZA is especially useful because it connects the technical clauses to machinery legislation.

What changed in SIST EN ISO 8437-2:2021/A1:2026 from the previous edition?

SIST EN ISO 8437-2:2021/A1:2026 modifies EN ISO 8437-2:2021 in three stated ways.

• It replaces the scope paragraph with a scope limited to combustion engine powered pedestrian-controlled snow throwers.
• It adds a compliance check in Clause 4.2.1 for the structural integrity of non-metallic snow discharge chutes and deflectors using ISO 8437-1:2019, 4.2.
• It replaces Clause A.2.1, paragraph 2, so that ISO 8437-4:2019, Clause 5 applies for additional regional and national requirements.

Which standards are used with SIST EN ISO 8437-2:2021/A1:2026?

The document names several standards that support its application.

• ISO 3411:2007 - provides operator dimensions and minimum operator space envelope information.
• ISO 8437-1:2019 - provides terminology and common tests, including the referenced structural integrity test.
• ISO 8437-3 - is part of the same snow thrower series and is intended for use with this part.
• ISO 8437-4:2019 - provides information on national and regional provisions.
• ISO 12100:2010 - gives the general principles for risk assessment and risk reduction.

What does the SIST EN ISO 8437-2:2021/A1:2026 document contain?

SIST EN ISO 8437-2:2021/A1:2026 contains the amendment instructions, the European foreword and informative Annex ZA. The amendment text identifies the scope change and the two clause updates, while Annex ZA links the standard to Directive 2006/42/EC.

It also includes the correspondence table that maps EN ISO clauses to essential health and safety requirements of the Machinery Directive. For users, that table is the main bridge between product testing and regulatory conformity work.

SLOVENSKI STANDARD
01-julij-2026
Snežne freze - Varnostne zahteve in preskusni postopki - 2. del: Ročno upravljane
snežne freze - Dopolnilo A1 (ISO 8437-1:2019/Amd 1:2026)
Snow throwers - Safety requirements and test procedures - Part 2: Pedestrian-controlled
snow throwers - Amendment 1 (ISO 8437-1:2019/Amd 1:2026)
Schneefräsen - Sicherheitsanforderungen und Prüfverfahren - Teil 2: Handgeführte
Schneefräsen - Änderung 1 (ISO 8437-1:2019/Amd 1:2026)
Chasse-neige - Exigences de sécurité et essais - Partie 2: Chasse-neige à conducteur à
pied - Amendement 1 (ISO 8437-1:2019/Amd 1:2026)
Ta slovenski standard je istoveten z: EN ISO 8437-2:2021/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 8437-2:2021/A1
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2026
EUROPÄISCHE NORM
ICS 43.160
English Version
Snow throwers - Safety requirements and test procedures
- Part 2: Pedestrian-controlled snow throwers -
Amendment 1 (ISO 8437-2:2019/Amd 1:2026)
Chasse-neige - Exigences de sécurité et essais - Partie Schneefräsen - Sicherheitsanforderungen und
2: Chasse-neige à conducteur à pied - Amendement 1 Prüfverfahren - Teil 2: Handgeführte Schneefräsen -
(ISO 8437-1:2019/Amd 1:2026) Änderung 1 (ISO 8437-1:2019/Amd 1:2026)
This amendment A1 modifies the European Standard EN ISO 8437-2:2021; 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 8437-2:2021/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 8437-2:2021/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 8437-2:2021 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 8437-2:2019/Amd 1:2026 has been approved by CEN as EN ISO 8437-2:2021/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, annex A
1.1.2(d) (if relevant) 5, A.2.3
1.1.2(e) (if relevant) 5, A.2.6
1.1.3. Materials and products 4.3, 4.4, 4.5, 5
1.1.5. Design of machinery to 4.2, 4.3, 4.4, 4.5, 5
facilitate its handling
1.1.6. Ergonomics 4.2, 5
1.1.7. Operating positions 4.2, 4.3.3, 5
1.2. CONTROL SYSTEMS
1.2.1. Safety and reliability of 4.2, 5
control systems
1.2.2. Control devices 4.2, 5
1.2.3. Starting 4.2.2.1, 5
1.2.4.1. Normal stop 4.2.2.2, 5
1.2.6. Failure of the power 4.2.2.1, 4.2.2.4, 4.2.3.1, 5
supply
The relevant Essential Clause(s)/sub-clause(s) of this Remarks/Notes
Requirements of Directive EN
2006/42/EC
1.3. PROTECTION AGAINST
MECHANICAL HAZARDS
1.3.2. Risk of break-up during 4.2, 4.3, 5
operation
1.3.3. Risks due to falling or 4.3.1
ejected objects
1.3.4. Risks due to surfaces, 4.1, 4.3.1, 4.3.2
edges or angles
1.3.6. Risks related to variations 4.2.2.3, 4.3.4, 5
in operating conditions
1.3.7. Risks related to moving 4.2.3, 4.3, 5
parts
1.3.8.1. Moving transmission 4.2.3, 4.3, 4.6
parts
1.3.8.2. Moving parts involved in 4.2.3, 4.3, 4.6
the process
1.3.9. Risks of uncontrolled 4.2.2.4, 4.2.3.2, 4.2.4.1, 5
movements
1.4. REQUIRED
CHARACTERISTICS OF GUARDS
AND PROTECTIVE DEVICES
1.4.1. General requirements 4.2, 4.3
1.4.2.1. Fixed guards 4.3, 4.6, A.2.4 h
1.4.2.3. Adjustable guards 4.3
restricting access
1.4.3. Special requirements for 4.3, 4.7.2
protective devices
1.5. RISKS DUE TO OTHER
HAZARDS
1.5.1. Electricity supply 4.5
1.5.3. Energy supply other than 4.4
electricity
1.5.5. Extreme temperatures 4.3
1.5.6. Fire 4.4, 4.5
1.5.7. Explosion 4.4, 4.5
1.5.8. Noise 4.9
1.5.9. Vibrations 4.10
1.5.10. Radiation 4.8
The relevant Essential Clause(s)/sub-clause(s) of this Remarks/Notes
Requirements of Directive EN
2006/42/EC
1.5.11. External r
...