Hoʻohana nui ʻia ka PC200 track roller ma KOMATSU excavator undercarriage, ʻo kēia track roller he ʻelua ʻano mākou, hoʻokahi ʻano ʻano wili, ʻo kekahi ʻano friction, ʻo ke kaumaha iā mākou he 32KG, 35KG a me 39KG, ka nui a mākou e hana ai e like me OEM, ka ʻoi aku ke kaumaha, ʻoi aku ka maikaʻi o ka maikaʻi, ʻoi aku ka maikaʻi, ma waho aʻe, hana mākou i ka idler.sprocket, ka mea lawe pahu, ke kaulahao track, track group etc no kēia kumu hoʻohālike.
ʻO U50/U40-3 lalo ka ʻāpana ʻāpana o KUBOTA mini excavator, hiki i ka maikaʻi ke hōʻoia i 12 mau mahina.