Rollers: waƙa abin nadi, sprocket, saman abin nadi, gaban mai zaman kansa
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Bibiyar abin nadi don crawler excavator hako na'ura mai ba da hanya tsakanin hanyoyin sadarwa
An raba sassan ƙasa da ƙasa zuwa: abin nadi, abin nadi na sama, mara aiki, sprocket, roba da waƙar karfe.