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Association safety consultant John Fisher has provided this update on standards activity for Association members. If you have questions for Fisher, contact him at lajrfisher@gmail.com.

Braking

Two parts of the five part braking standards series, ANSI/ASABE S648, Agricultural Field Equipment Braking, are being revised. No technical changes are being proposed.

Part 4: Requirements for Towed Vehicles: minor revisions to specific clauses to eliminate conflicts between those clauses and other information in the standard. Draft is ready for final approval.

Part 5: Requirements for the Interface between Towing Vehicle and Towed Vehicles: minor revision to clarify compatibility information for low speed/high mass towed vehicles and to match simulator performance with EU Regulations. Another committee ballot must take place.

Front or Towed Implements

ISO/CD 5674 Tractors and machinery for agriculture and forestry—Guards for power take-off (PTO) drive-shafts —Strength and wear tests and acceptance criteria, approved with comments from the U.S. Resolutions will be discussed at the Sept. 15 plenary session.

ISO 5675:2021—Agricultural tractors and machinery—General purpose quick-action hydraulic couplers. Published.

ISO 10448:2021, Agricultural tractors—Hydraulic pressure for implements. Published.

X24347, Agricultural tractors—Mechanical connections between towed and towing vehicles—Dimensions of ball-type coupling device (80 mm). U.S. will be adopting ISO 24347: 2019 version identically.

Tillage Equipment

ISOS 4254-17, Agricultural machinery—Safety—Part 17: Root crop harvesters. Expecting publication soon.

Anhydrous Ammonia

X620.1, Safety for Anhydrous Ammonia Application Equipment. Draft under ballot. Due date is Aug. 30.

Rotary Mowers

ISO 4254-13, Ag machinery—Safety—Part 13: Large rotary mowers. Expecting publication soon.

ISO/DIS 5718-1, Harvesting equipment —Requirements for cutting elements—Part 1: Blades used on rotary disc mowers and rotary drum mowers and ISO/WD 5718-2 Part 2: Blades used on large rotary mowers. DIS ballots expected soon.

ROPS

ISO 12003-1:2021 and -2:2021: Tractors for agriculture and forestry—Roll-over protective structures on narrow tractors – Part 1: Front-mounted ROPS; Part 2: Rear-mounted ROPS, published.

Fisher’s monitoring of safety standards is provided through the Association’s Services Corp. and Risk Management Committee.