Ụlọ ọrụ anyị na-azụlite, na-emepụta ma na-ebuga rọba track undercarriages maka ọtụtụ ngwa ngwa. Ya mere, a na-ejikarị ụgbọ mmiri rọba eme ihe n'ọrụ ugbo, ụlọ ọrụ na ihe owuwu. Ụzọ rọba n'okpuru ụgbọ ala kwụsiri ike n'okporo ụzọ niile. Egwu rọba bụ ekwentị mkpanaaka nke ukwuu ma kwụsie ike, na-eme ka ọrụ dị mma na nchekwa.