CAT300 - ATTACHMENTS 100 HYDRAULIC SYSTEM Parts group 100 HYDRAULIC SYSTEM 100 HYDRAULIC SYSTEM . HYDRAULIC SYSTEM SAW MOTOR 20`` HEAD ( 62365 - ) 2000-178/10 [2000-178/10] HYDRAULIC SYSTEM SAW MOTOR 22`` HEAD ( 65001 - ) 2000-178/10 [2000-178/10] HYDRAULIC SYSTEM SAW MOTOR 22`` HEAD ( 12939 - 12999) 2000-178/10 [2000-178/10] HYDRAULIC SYSTEM SAW MOTOR 24`` HEAD ( 603003 - ) 2000-386/10 [2000-386/10]