ISO 12140-1:2020 PDF

Scope: This document specifies criteria for construction, establishes performance test methods and defines acceptance criteria for telescopic mechanical screw- and nut-type drawbar jacks and hydraulic drawbar jacks intended to be fitted on the implement tongue of interchangeable towed machinery [here after referred to as "implement(s)"] as original equipment or as replacement jacks. In addition, it specifies minimum markings and information for use to be provided by the jack manufacturer. These jacks are used specifically for — supporting the hitch points of implements during storage; — lifting and lowering of implement tongues to facilitate attaching to or disconnecting from an agricultural tractor; and — levelling an implement for stationary use.

ISO 12140-1:2020 Referenced Document

ISO 9227 Corrosion tests in artificial atmospheres — Salt spray tests — Amendment 1: Footnote of Warning*， 2024-02-19 Update

2020 ISO 12140-1:2020 Agricultural trailers and trailed equipment — Drawbar jacks — Part 1: Design safety, test methods and acceptance criteria