Industry Standards:
The following is a partial listing of ASAE Standards that are related to the design of Agricultural Implements that are powered by PTO shafts.

S203—Front and Rear Power Take-Off for Agricultural Tractors
This standard provides dimensions and specification for power take-off shafts defined as type 1, 2 and 3.

S 207—Operating Requirements for tractors and Power Take-Off Driven Implements
This standard addresses the need for providing suitable means of transmitting power from the tractor power take-off to the implement and hitching of the implement to the tractor.

S318—Safety for Agricultural Field Equipment
This standard addresses personal safety for operators and others during operation and service of agricultural field equipment.

S331—Implement Power Take-Off Driveline Specifications
This standard establishes static and dynamic torsional requirements for universal joint drivelines.

S333—Agricultural Tractor Auxiliary Power Take-Off Drives
This standard provides specifications for mid and side power take-off drives.

S441—Safety Signs
This standard establishes uniformity in safety signs in the agricultural workplace.

S522—Implement Input Driveline Guards-Test Methods and Durability Requirements
This standard addresses requirements for determining durability of Implement Input Driveline (IID) guards and their support components.

For additional information about these standards or to obtain copies for them, please contact:

ASAE-2950 Niles Road, St. Joseph, MI. 49085-9659