Select page: 4544-028/10-7 DISC BLADE 18`` HEAD SERIES 4000NK CARBIDE ( 601062 - ) 4544-028/10 [4544-028/10] 4544-033/10-8 DISC BLADE 18`` HEAD SERIES 4000NK NO CARBIDE ( 601062 - ) 4544-033/10 [4544-033/10] Other parts group: 100 HYDRAULIC SYSTEM 120 MOTOR 130 SAW GUARD 140 WRIST ASSEMBLY 30 CONTROLS 40 CYLINDER 50 DECALS 60 DISC BLADE 70 DISC SAW DRIVE 90 FELLING HEAD