Applicable models: 11-15 tonnage hydraulic crawler travel drive device,

Frame mounting hole 20-M16, frame inner diameter 246;

Drive tooth mounting hole 15-M16, drive tooth inner diameter 324

PC100/110/120/130, SK100/120/135/140,

SH100/120/135,SY135,DH150,YC135,LG915,

JCM913,HD400/450/512