Farmall F 20 Pto Pulley Drive 6 Spline Driveshaft Coupler F20. Condition is For parts or not working. The item “Farmall F 20 Pto Pulley Drive 6 Spline Driveshaft Coupler F20 Drive Sickle” is in sale since Wednesday, August 12, 2020. This item is in the category “Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Transmission, Drivetrain & Axles”. The seller is “jimybuddiesel” and is located in Sherman, Illinois. This item can be shipped to United States.