Knife (3960, 3970, 3975 series)

The K61961 knife will fit a John Deere® 3960 - 3970 and 3975 pull-type harvester. This knife is used on the harvester cutter drum to cut the material being harvested. There are 48 knives required per drum.

Each knife is heat-treated and tungsten hard-faced. The cutting edge is ground in for consistent hardness out to the tip of the knife. Install to factory settings, torque bolts to 110 ft. lbs. Do not install with an impact wrench. Visually inspect for wear, and replace as needed.

Kooima Ag has been producing replacement agricultural products for over 30 years. During those years, Kooima Ag has developed a proven track record of providing dependable and durable products at cost savings to our customers.