AS ISO 6746.1:2021 pdf free.Earth-moving machinery – Definitions of dimensions and codes Part 1: Base machine. This part of ISO 6746 defines certain dimensions of earth-moving base-machines as well as the codes identifying those dimensions. At the same time, it specifies a reference system for defining, and a coding system for identifying, additional, similar dimensions in terminology standards and commercial specifications. It is applicable to the basic types of earth-moving machinery as defined in ISO 6165. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated relèrences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 6165, Earth-moving machinery — Basic types — Vocabulary 3 Terms and definitions For the purposes of this part of ISO 6746. the terms and definitions given in ISO 6165 and the following apply. 3.1 three-dimensional reference system system used to determine dimensions of earth-moving machines SEE: 3.1.1 zero Y plane vertical plane which passes through the longitudinal centreline of the machine 3.1.2 X plane any vertical plane perpendicular to the Y plane 3.1.3 Z plane any horizontal plane perpendicular to the X and Y planes 3.1.4…