Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 3: Tractor drawbar
|Publication Date:||1 July 2017|
This part of ISO 6489 specifies the dimensional requirements and location for category 0, 1, 2, 3, 4 and 5 drawbars mounted on the rear of agricultural tractors.
The following additions apply:
Safety chain requirements as outlined in ANSI/ASAE S338.
Requirements for clearance between the drawbar and PTO drive shafts.
Requirements for the drawbar positions to use with Type 1 and Type 4 PTOs.
Requirements for clearance to tires or tracks.
Details for an auxiliary hole for drawbar design without clevis.
Drawbar loading requirements and recommendations for implement drawbar loads.
Maximum drawbar pin diameters.