Click on “Download PDF” for the PDF version or on the title for the HTML version. If you are not an ASABE member or if your employer has not arranged for access to the full-text, Click here for options. Tractors and machinery for agriculture and forestry - Speed Identification Sign (SIS)Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org ASAE ASABE/ISO 20383:2017 October 2019Keywords: Sign, SIS, Speed 1 Scope This document specifies the dimensions, characteristics, and positioning of Speed Identification Signs (SIS). These signs indicate the maximum equipment ground speed, based on the ground speed design capability, for an agricultural vehicle. A rear-facing SIS is visible to other operators on public roads approaching the equipment from behind. A forward-facing SIS, mounted on the front of towed equipment, alerts operators of the towing vehicle of the maximum specified ground speed capabilities at which the equipment combination can be operated. This document is applicable to self-propelled, semi-integral and towed equipment moving on public roads. (Download PDF) (Export to EndNotes)
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