- This spare is valid for the following John Deere models: 410, 444, 510, 570, 646, 820, 830, 844 , 1020, 1520, 1530, 2020, 2030, 2040, 2240, 2440, 2510, 2520, 2630, 2640, 2840, 2940, 3020, 4000, 4020, 4030, 4040, 4230, 4240, 4320, 4430, 4440, 4455 , 4520, 4620, 4630, 4640, 4840, 5010, 5020, 6030, 7520, 8430, 8440, 8630, 8640, 300b, 301a, 440c, 444c, 444ch, 500c, 540b, 570a, 640d, 646b, 648d, 710b , 710C, 740A, JD740