Sprocket-kan waxaa loo isticmaalaa 50T excavator of DOOSAN, maaddadu waa 50Mn ama 45SIMN, engegnaantoodu waxay ku saabsan tahay HRC55-58, oo leh kala duwanaansho kala duwan oo kala duwan, sprocket ayaa lagu dabaqi karaa moodal gaar ah oo ah nooca gurguurta iyo bulldozer ka 0.8T-100T, waa si ballaaran looga codsado cagaf-cagafayaasha iyo qodayaasha Komatsu, diir, Hitachi, Kobelco, Doosan, VOLVO, Hyundai, Daewoo iwm, waxay qabataa tignoolajiyada saxda ah ee saxda ah iyo farsamada daaweynta kulaylka gaarka ah, si ay u gaaraan caabbinta ugu fiican iyo cimri dhererka ilaa xadka ugu badan.