Select page: 4544-016/10-13 DISC BLADE 16`` HEAD FUTURE-2000 NO CARBIDE ( 68004 - 68109) 4544-016/10 [4544-016/10] 4544-021/10-11 DISC BLADE 16`` HEAD FUTURE-2000 CARBIDE EARLIER DESIGN ( 68004 - 68109) 4544-021/10 [4544-021/10] 4544-022/10-12 DISC BLADE 16`` HEAD FUTURE-2000 CARBIDE LATER DESIGN ( 68004 - 68109) 4544-022/10 [4544-022/10] 4544-025/10-15 DISC BLADE 16`` HEAD SERIES 4000 NO CARBIDE ( 68004 - 68109) 4544-025/10 [4544-025/10] 4544-027/10-14 DISC BLADE 16`` HEAD SERIES 4000 CARBIDE ( 68004 - 68109) 4544-027/10 [4544-027/10] 4544-028/10-16 DISC BLADE 18`` HEAD SERIES 4000NK CARBIDE ( 68110 - ) 4544-028/10 [4544-028/10] 4544-033/10-17 DISC BLADE 18`` HEAD SERIES 4000NK NO CARBIDE ( 68110 - ) 4544-033/10 [4544-033/10] Other parts group: 110 MOTOR 120 SAW GUARD 20 CONTROLS 30 CYLINDER 40 DECALS 50 DISC BLADE 60 DISC SAW DRIVE 80 FELLING HEAD 90 HYDRAULIC SYSTEM