R67840 PTO Clutch Pack Return Spring Disc Fits John Deere 2510 2520 3020 4000One New Aftermarket Replacement PTO Transmission Clutch Pack Return Spring that Fits John Deere Industrial Construction models: 400G, 410B, 410C, 410D, 415B, 450 (SN 11789 >), 450B, 450C, 450D, 450E, 455D, 455E, 500, 500A, 500B, 500C, 510, 510B, 510C, 510D, 515B, 600, 610B, 610C, 655 (SN < 714909), 710B, 710C, 710D (SN < 872328), 750 (SN < 714909), 755, 755A (SN < 714909), 850 (SN < 714909), 855 (SN < 714909) Tractor models: 2510, 2520, 3020, 4000,