20 Inch Coulter Disk for John Deere Moldboard Plow Coulter, F20177JDM This rockshaft arm is for

This rockshaft arm is for the RIGHT side only

Cockshutt Bearing part numbers - DXS73

Often an awl or pick is required to get the old hardened compressed gasket out of the groove

and 1 lock washer as shown

Pair of Back - Rear Cultivator Bars for International and IH Farmall Cub Tractors

20 Inch Coulter Disk for John Deere Moldboard Plow Coulter, F20177JDM This rockshaft arm is forFluted Coulter Disk Blade for John Deere Moldboard Plows. Commonly used on John Deere New Universal (NU) and 450 Metric Plow Bottoms. This Fluted Coulter Disc is 20" inches in diameter. The center hole is 2 1 8" inch. The 5 mounting holes are 2 7 8" inch apart (measuring side by side) (center of hole to center of hole). Replacement aftermarket coulter blade part number F20177JDM. Coulter discs are also referred to as coulter blades. These disk are new