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Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 3: Tractor drawbar

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

ASAE  ANSI/ASABE AD6489-3:2004   July  2017

Keywords: Clearance zone, Dimensions, Drawbar, Location, Mechanical connections, Power take-off, Safety chain, Tractor

1 Scope

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:

1.1 Safety chain requirements as outlined in ANSI/ASAE S338.

1.2 Requirements for clearance between the drawbar and PTO drive shafts.

1.3 Requirements for the drawbar positions to use with Type 1 and Type 4 PTOs.

1.4 Requirements for clearance to tires or tracks.

1.5 Details for an auxiliary hole for drawbar design without clevis.

1.6 Drawbar loading requirements and recommendations for implement drawbar loads.

1.7 Maximum drawbar pin diameters.

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