Lo que distingue al Liebherr 984 de la competencia es su innovador brazo de roca.
Rock Arm, as a multi-purpose modified arm, is suitable for mining without blasting, such as open-pit coal mines, aluminum mines, phosphate mines, sand gold mines, quartz mines, etc. It is also suitable for rock excavation encountered in basic construction such as road construction and basement excavation, such as hard clay, weathered rock, shale, rock, soft limestone, sandstone, etc. It has good effects, high equipment resistencia, baja tasa de falla, alta eficiencia energética en comparación con los martillos de la ruptura y el bajo ruido. Rock Arm es la primera opción para equipos sin condiciones de voladura.
