Tractors, the Number 1 Cause of Fatalities on the Farm

Vocabulary Terms

Slow Moving Vehicle (SMV) emblem - Is a reflective sign required by law for (farm) vehicles using public highways moving at less than 25 miles per hour. (Must be mounted behind seat, point up, 2 to 6 feet above the ground, near the center of the vehicle.

Power Take-Off (PTO) - A shaft that spins to transfer power from the tractor to the implement behind it. It rotates at a very high speed (540 to 1000 revolutions per minute).

Master Shield - The three sided guard that is positioned around the PTO stub shaft where it protrudes from the back of the tractor.

Roll-Over Protective Structure (ROPS) - A tractor feature like a roll bar, designed to guard the operator from being crushed in the event of a turnover, safety tested and labeled by OSHA standards. Only effective when used with a seatbelt.



This training curriculum was produced by the New York Center for Agricultural Medicine and Health (NYCAMH).

New York Center for Agricultural Medicine and Health, One Atwell Road, Cooperstown, New York 13326. Phone number: (607) 547-6023 or 1-800-343-7527 in the Northeast

Disclaimer and Reproduction Information: Information in NASD does not represent NIOSH policy. Information included in NASD appears by permission of the author and/or copyright holder. More