Zigawo za Excavator B55 Track roller
YanmarB55 track rollerndi gawo lofunikira la chassis ya YanmarB55excavator, yomwe makamaka imagwira ntchito yothandizira kulemera kwa makina onse, kugudubuza pamayendedwe apanjira, ndikuletsa njanji kuti isaduke mozungulira. Nthawi zambiri amapangidwa ndi chitsulo champhamvu kwambiri, chokhala ndi kukana kwabwino kovala komanso kunyamula mphamvu, kuti agwirizane ndi zovuta zomangira zofufutira. Chifukwa cha malo ogwirira ntchito ovuta, gudumu lothandizira liyenera kukhala ndi chisindikizo chabwino kuti matope ndi madzi ndi zonyansa zina zisalowe mkati, zomwe zimakhudza ntchito yake yachibadwa. Mapangidwe ake ndi omveka, ndipo amatha kugwira ntchito bwino ndi madera ena a Yanmar B55 excavator kuti awonetsetse kuyenda bwino komanso kugwira ntchito kwa chofufutira. Pogwiritsidwa ntchito tsiku ndi tsiku, gudumu lothandizira liyenera kusamalidwa nthawi zonse ndikuwonjezera moyo wake wautumiki.