Select page: 4544-028/10-7 DISC BLADE 18`` HEAD SERIES 4000NK CARBIDE ( 601030 - ) 4544-028/10 [4544-028/10] 4544-033/10-8 DISC BLADE 18`` HEAD SERIES 4000NK NO CARBIDE ( 601030 - ) 4544-033/10 [4544-033/10] Other parts group: 110 MOTOR 120 SAW GUARD 130 WRIST ASSEMBLY 20 CONTROLS 30 CYLINDER 40 DECALS 50 DISC BLADE 60 DISC SAW DRIVE 80 FELLING HEAD 90 HYDRAULIC SYSTEM