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Agricultural Field Equipment Braking - Part 4: Requirements for Towed Vehicles

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

ASAE  ANSI/ASABE S648-4   March  2020

Keywords: Brake, Definitions, Safety, Test, Tractor, Trailers

1 Purpose

The purpose of this part of ANSI/ASABE S648, when used in conjunction with ANSI/ASABE S648-1, is to define the minimum requirements related to braking of towed agricultural field equipment hereafter referred to as towed vehicles. Braking includes service braking in transport conditions and parking brake in field conditions.

2 Scope

This part of ANSI/ASABE S648 provides normative references and establishes the minimum requirements related to braking of towed vehicles and towed vehicle trains.

These requirements and minimum performance criteria are directed to the operation and parking of towed vehicles and towed vehicle trains having a maximum design ground speed greater than 6 km/h (3.7 mile/h).

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