What is BS EN 12733-Safety requirements for pedestrian controlled motor mowers about?
BS EN 12733 is a standard that covers safety requirements for pedestrian controlled motor mowers which ensures reliability, ease of operation, maintenance, and longevity in agricultural and forestry applications.
BS EN 12733 specifies safety requirements and their verification for design and construction of pedestrian controlled motor mowers with rotary or reciprocating cutting means used in agricultural, forestry and landscaping to cut and/or mulch grass or similar plants or scrub and woody vegetation.
BS EN 12733 considers the following types of pedestrian controlled machines to be motor mowers:
- Flail mowers
- Grassland mowers
- Scrub clearing machines
- Sickle bar mowers
BS EN 12733 also applies to multipurpose machines when used for cutting or mulching grass or scrub. BS EN 12733 specifies the type of information to be provided by the manufacturer on safe working practices.
Note: BS EN 12733 does not apply to -
- Lawn movers
- Engine-driven brush cutters and grass trimmers
- Other lawn maintenance equipment
- Environmental aspects (except noise)
- Motor mowers manufactured before the date of publication
Who is BS EN 12733-Safety requirements for pedestrian controlled motor mowers for?
BS EN 12733 on safety requirements for pedestrian controlled motor mowers applies to:
- Manufacturers of motor mowers
- Dealers and importers of motor mowers
- Testing houses and labs for motor mowers
- Safety assurance services
Why should you use BS EN 12733-Safety requirements for pedestrian controlled motor mowers?
Pedestrian controlled motor mowers are used to chop and trim patches in lawns, gardens and fields. They have multiple advantages against riding mowers, including enhanced operator flexibility to move impediments out of the mowing path without getting on and off the machine, the ability to mow in small spaces, and improved trimming performance.
BS EN 12733 provides you guidance on significant hazards, hazardous situations and events relevant to pedestrian controlled motor mowers when used as intended, ensuring the safety of operations in motor mowers.
BS EN 12733 provides you guidance on safety requirements and risk reduction, including engine starting and stopping, location of controls, pressurized components, liquid spillage, exhaust system, protection against exhaust gases and hot surfaces that enable the development of safety and protection mechanisms.
Guidance in BS EN 12733 ensures the safety and protection of users and systems that are in compliance with required regulations.
What’s changed since the last update?
BS EN 12733:2018 supersedes BS EN 12733:2001+A1:2009, which is now withdrawn.

