Rationale for the structure of a mine dump truck fleet of 40 - 100-t payload category

The article presents a newly developed method of recording the variation of performance indices for different types of dump trucks during their service life (machine life cycle), which is helpful for the selection of the best (from the investors' standpoints) option of the machine fleet structure. The author shows the calculation results, which prove the fact that investment projects implying the purchase of the world-class machinery and high costs at the initial stage are more attractive in terms of major criteria of efficiency due to their high performance and long running hours during their whole service life.