Carrier roller is esịnede roller shei, aro, akara, olu akwa, o-mgbanaka, ngọngọ iberi, bushing bronze.it bụ ọdabara na pụrụ iche nlereanya nke crawler ụdị excavators na bulldozers si 0.8T ka 100T.it na-etinyere na bulldozers na excavators. nke Komatsu, Hitachi, Caterpillar, Kobelco, Sumitomo, Shantui wdg, ọrụ nke top rollers bụ iji na-ebu ụzọ njikọ elu, mee ka ụfọdụ ihe jikọọ tightly, na-enyere igwe na-arụ ọrụ ngwa ngwa na ọzọ nwayọọ, anyị ngwaahịa na-eji pụrụ iche ígwè. ma mepụta usoro ọhụrụ, usoro ọ bụla na-aga site na nyocha siri ike na enwere ike ijide n'aka na enwere ike ijide n'aka na enwere ike ijide n'aka na enwere ike ijide n'aka na ihe onwunwe nke nrụgide nrụgide na nrụgide nrụgide.