Zigawo za Excavator EX70 Carrier Roller

TheHitachi EX70 chonyamulira chonyamulandi gawo lofunikira laHitachi EX70chofufumitsa chassis, yomwe ili pamwamba pa X-frame, yomwe imagwiritsidwa ntchito pothandizira njira ya unyolo ndikuyiyendetsa molunjika kuti iwonetsetse kuti njanjiyo ikuyenda bwino. Zazinthuzo zili ndi ubwino wa kutayikira kwa zero ndi mafuta odzola moyo wonse, omwe amatha kusinthidwa ndi zovuta zosiyanasiyana zogwirira ntchito, ndipo ndizoyeneraHitachi EX70okumba.