ASAE/ASABE S431.4 – 2000-RPM Front and Mid PTO for Lawn and Garden Ride-on Tractors and Commercial Turf Equipment, Mid PTO for Compact Utility Tractors
This standard provides general specifications, including control, dimensions, speed and direction of rotation for power take-off shafts and the mating attachment connector for front-mounted power take-offs (PTOs) on lawn and garden ride-on tractors, commercial turf equipment, and lawn ride-on tractors; and for mid-mounted PTOs on lawn and garden ride-on tractors, commercial turf equipment, lawn ride-on tractors, and compact utility tractors.
