The safety specifications given in ANSI/OPEI B71.1-2017 are for powered(a) reel and rotary pedestrian-controlled lawn mowers,(b) reel and rotary ride-on lawn mowers,(c) ride-on lawn tractors with mower attachments,(d) ride-on lawn and garden tractors with mower attachments, and(e) lever-steer and zero-turn ride-on mowers.These specifications are intended to provide safety requirements and to help ensure uniform operator
environments. They are intended to apply to products specifically intended as consumer products for the
personal use of a consumer around a house. These specifications are not intended to apply to
commercial products customarily used by hired operators or to products designed primarily for agricultural
purposes such as defined in SAE J1116. They are not intended to cover sulky-type units, pedestriancontrolled
tractors, flail mowers or sickle bar mowers, and are not intended to completely cover electrical
requirements. This standard applies to all aftermarket parts, attachments and accessories. Any
manufacturer of aftermarket parts, attachments and accessories is responsible for ensuring compliance to
this standard. Safety specifications in this standard apply only to a configuration of
attachments/implements/accessories approved by their respective manufacturers.