Select page: 4544-028/10-5 DISC BLADE 18`` HEAD SERIES 4000NK CARBIDE ( 68110 - ) 4544-028/10 [4544-028/10] 4544-033/10-6 DISC BLADE 18`` HEAD SERIES 4000NK NO CARBIDE ( 68110 - ) 4544-033/10 [4544-033/10] Other parts group: 100 MOTOR 110 SAW GUARD 20 CONTROLS 30 CYLINDER 40 DECALS 50 DISC BLADE 60 DISC SAW DRIVE 80 FELLING HEAD 90 HYDRAULIC SYSTEM