Identically adopts ISO 9246:1988, which specifies a procedure for calculating the volume of dozer blades. Is intended to be used for consistent comparisons of dozer blade capacities presented in commercial literature for tractors, as defined in ISO 6165. This document applies to all types of dozers that are mounted on all tractors defined in AS ISO 6747:2021. This includes straight, angling, semi-U-, and U-blade configurations. It is assumed that the blade face is flat and vertical.