18``DTT - ATTACHMENTS 90 HYDRAULIC SYSTEM Parts group 90 HYDRAULIC SYSTEM 90 HYDRAULIC SYSTEM . HYDRAULIC SYSTEM SAW MOTOR 18`` HEAD 107cc MOTOR ( 68110 - ) 2000-168/10 [2000-168/10] HYDRAULIC SYSTEM SAW MOTOR 18`` HEAD 160cc MOTOR ( 68110 - ) 2000-167/10 [2000-167/10]