O lenei sprocket e faʻaaogaina mo le 50T excavator o DOOSAN, mea e 50Mn poʻo le 45SIMN, o le maaa e tusa ma le HRC55-58, e iai le tele o filifiliga, o le sprocket e faʻatatau i faʻataʻitaʻiga faʻapitoa o faʻataʻavalevale ituaiga excavators ma bulldozer mai le 0.8T-100T, o le fa'aaoga lautele i bulldozers ma excavators o Komatsu, Anufe, Hitachi, Kobelco, Doosan, VOLVO, Hyundai, Daewoo ma isi, faʻaaogaina tekinolosi faʻatautaia ma faʻapitoa togafitiga vevela, o lea e oʻo atu ai i le faʻaofuofu sili ona lelei ma faʻaumi le taimi o le olaga i le maualuga maualuga.