Replaces John Deere OEM Number(s): W38686. Rotary Cutter Blade Bolt Kit for John Deere Rotary Cutter models: 1008, 1018, 1418, 1508, 1518, 2018, 509, 16, 609, 616, 709, 727, 737. Rotary Cutter – 509, 609, 709, 727, 737, 1008, 1018, 1418, 1508, 1517, 1518, 2018.