We have oil cylinder groups for buckets, arms and booms Detailed Product DescriptionHydraulic cylinders ... , PC75, PC100, PC120, PC150, PC200, PC220, PC300, PC350, and PC400 Caterpillar: E70B, E110, E120B, E215, E235, E307, E311, E312, E322, E180 ... , D80, D85, D95, D135, D150, and D155 sell good quality Hydraulic Cylinder,oil cylinder,cylinder for excavator