Kua tukuna e Caterpillar ngā pūnaha raro waka e rua, te Pūnaha Abrasion Undercarriage me te Pūnaha Heavy-Duty Extended Life (HDXL) Undercarriage me DuraLink.

Te Whakakorenga o te NgeruPūnaha o rarokua hangaia mō te mahi i roto i ngā tono pānga-waenga ki te nui, me te pānga-iti ki te pāngia-waenga.
He whakakapinga tika mō SystemOne, ā, kua whakamatautauria ki ngā rauemi whakakoi, tae atu ki te onepu, te paru, te kōhatu kuru, te uku, me te kirikiri.
Kei te wātea te Pūnaha Abrasion Undercarriage Cat kua tāutahia ki te wheketere, hei whakakapinga rānei, mō ngā dozer Cat D1 ki te D6 (iti ki te waenga) hou me ngā tauira tawhito D3 ki te D6.
E ai ki te kamupene, kei roto i te Cat Abrasion te hangarau pūihi hurihuri, ngā takai whakangāwari kua whakamanahia, me te hoahoa kātere motuhake e tino whakapai ake ana i te āheinga hiri. Ka whai wāhi ia o ēnei whakapainga ki te roa ake o te ora o te mau o ngā wāhanga me te iti iho o te utu katoa o te mana pupuri.
Mā te hangarau pūihi hurihuri a Cat ka whakakorea ngā hurihanga pūihi i roto i ngā mahi whakakoi, me te horoinga pūihi kino e puta ana i te tere whakamuri e whakaiti ana i te wā mahi tiaki. Kei roto i te pūnaha ngā Relieved Tread Idlers kua manatia e whakakore ana i te pā i waenga i ngā idlers me ngā reera hononga, e whakaiti ana i te pakaru o ngā hononga, ā, ka roa ake te ora o te idlers ki te whakataurite ki ngā idlers tuku iho, e ai ki a Cat.
Kua hangaia te Pūnaha Whakaroa Taumaha Mahi Cat (HDXL) me te DuraLink mō te roa o te mau i roto i ngā tono iti ki te waenga-abrasion, waenga-ki-rahi te pānga pērā i te toka mārō, te whenua ururua, me te ngahere. Kei te wātea te pūnaha whakaroa HDXL mō ngā dozers Cat waenga me te nui.
Ahakoa kua tāutahia ki te wheketere, kei te wātea rānei hei whakakapinga mō te raro waka, kei te wātea te HDXL mō ngā dozer raro waka rōra pumau me ngā dozer raro waka iri, mai i ngā tauira Cat D4 ki te D11 (Cat D6 ki te D11 tawhito).