Zigawo za Excavator EX50 Track roller

Njira ya HitachiwodzigudubuzaEX50 ndi chowonjezera chapansi pagalimoto chomwe chimasinthidwa mwapadera ku chofufutira cha Hitachi EX50. Ntchito yake yaikulu ndikuthandizira kulemera kwa thupi la wofukula, zomwe zimathandiza kuti wofukula aziyenda bwino m'madera osiyanasiyana. The gudumu thupi zakuthupi nthawi zambiri mphamvu mkulu ndi kuvala kukana agwirizane ndi nkhanza malo ntchito.