Exploitation minière: Tombereau rigide Caterpillar

Modèle Temps de descente
797B 18.5 sec.
793D 19.3 sec.
789C 17.3 sec.
785C 15.9 sec.
777F 13 sec.
775F 12.5 sec.
775D 12.5 sec.
773F 12.5 sec.
773B 14.2 sec.
772 14.7 sec.
770 12.5 sec.
769D 8.3 sec.
769C 11.4 sec.