Products › Main Opener Arm Installation Tool Image 1 of 1 Main Opener Arm Installation Tool $133.25 Part #NE3072Compatible with: John Deere 50, 60, 90, Pro Series Add To Cart Added! Part #NE3072Compatible with: John Deere 50, 60, 90, Pro Series You Might Also Like Skid Shoe Kit 25' x 1/4" $907.25 Angle Changer Kit - Left $380.00 Triple Lip Seal Spindle Assembly LH $59.25 Closing Wheel Arm Spring - Left $24.60 Press Wheel 2" x 12" $99.25