This document specifies the method of fuel consumption measurement for rough-terrain variablereach trucks as defined in ISO 5053?1@ hereinafter referred to as trucks. It does not apply to slewing trucks having a movement of more than 5??ither side of the longitudinal axis. This part is intended to be used in conjunction with EN 16796?1. Where the requirements of this part differ from that in part 1@ requirements in this part 4 will take precedence.