ANSI B71.4 : 2004

Foreword
1 Scope
2 Normative references
3 Definitions
4 General requirements
   4.1 Guarding and shielding
   4.2 Labels and instructions
   4.3 Requirements for low-voltage electrical components
   4.4 Operator zone
   4.5 Operator's controls
5 Pedestrian-controlled units
   5.1 Operator's controls - Self-propelled
   5.2 Braking requirements and tests
   5.3 Handle structure
   5.4 Sulky units
6 Ride-on units, ride-on turf tractors, and attachments
   6.1 Operator's controls
   6.2 Operator position
   6.3 Stability requirements and tests for ride-on units and
        ride-on turf tractors
   6.4 Braking requirements and tests for ride-on units
        and ride-on turf tractors
   6.5 Lighting and marking for ride-on units and ride-on turf
        tractors used on public roads
   6.6 Lateral upset operator protection recommendations
        and tests for ride-on mowing equipment
7 Implements
   7.1 General requirements
   7.2 Operating controls
8 Functional components
   8.1 General requirements (in addition to those in 4.5.8)
   8.2 Requirements for rotary mower components
   8.3 Test for rotary mower components
   8.4 Requirements for flail mowers and flail power rakes
   8.5 Requirements for reel mower components
   8.6 Tests for reel mower components
Annex A (informative) - Rationale
   A.1 Overview of the format of the standard
   A.2 Standard references
   A.3 Rationale for requirements of the standard
Annex B (informative) - Drop distance calculations
Annex C (informative) - Safety pictorials
Annex D (informative) - Bibliography