Español Русский Português Français English

Fertilizer Knives & Blades

For Agricultural Planters

A-Series Stainless Steel Tubes on Heavy Duty Knives - Features

  • Heat-treated after coating to assure strength and wearability.
  • High carbon 1080 steel makes the knife strong and tough.
  • Plain tube or 304 stainless steel tube.
  • Available with extremely hard boride coating for long wear life.
  • Largest toe section on any knife in the industry.

R-Series CDS-John Blue Replacement Knife - Features

  • High strength ductile knife.
  • Easy to replace (R-483) tube.
  • Hard facing to protect the tube.
  • Easy replacement - only one pin is needed to replace (R-482) toe, no cutting or welding is required.
NH3 Liquid Blades
Model Blade Type No. of Tubes Tube Material Tube Size Sealer Boride Coating
A-460BC-3 Back Swept Single SS 3/8" No Yes
A-460BC-3S Back Swept Single SS 3/8" Yes Yes
A-460BC-3SP Back Swept Single Plain 3/8" Yes Yes
A-460BC-4 Back Swept Single SS 1/2" No Yes
A-460BC-4P Back Swept Single Plain 1/2" No Yes
A-720-3 Front Swept Single SS 3/8" No No
A-720-3P Front Swept Single Plain 3/8" No No
A-720-3S Front Swept Single SS 3/8" Yes No
A-720-3SP Front Swept Single Plain 3/8" Yes No
A-720-4 Front Swept Single SS 1/2" No No
A-720-4P Front Swept Single Plain 1/2" No No
A-720-4S Front Swept Single SS 1/2" Yes No
A-720-4SP Front Swept Single Plain 1/2" Yes No
A-720C-3 Front Swept Single SS 3/8" No Yes
A-720C-3P Front Swept Single Plain 3/8" No Yes
A-720C-3S Front Swept Single SS 3/8" Yes Yes
A-720C-3SP Front Swept Single Plain 3/8" Yes Yes
A-720C-4 Front Swept Single SS 1/2" No Yes
A-720C-4P Front Swept Single Plain 1/2" No Yes
A-720C-4S Front Swept Single SS 1/2" Yes Yes
A-720C-4SP Front Swept Single Plain 1/2" Yes Yes
AD-720C Front Swept Dual SS (1) 3/8" front & (1) 1/2" rear No Yes
AD-720C-3 Front Swept Dual SS 3/8" No Yes
AD-720C-4 Front Swept Dual SS 1/2" No Yes

Replaceable Knife and Components
Model Blade Type Description
R-481 Front Swept Heavy Duty Blade - Super Ductile Iron with Replaceable Toe & Tube.
R-482 Front Swept Replaceable Toe - Ductile Iron, Replacement for R-473 & R-481 Blades.
R-483 Front Swept Replaceable Tube - 1/8" Steel, Replacement for R-481 & R-484 Blades.