John Deere Original Equipment Socket Outlet (Set of 4) - R34397,4 Fits the following Tractor Models: 1010, 1020, 1030, 1630, 1130, 1520, 1530, 1640 (430000-), 2040S (430000-), 2040, 2030, 1830, 2130 2010, 2020, 2030, 2140 (430000-), 2240, 2440, 2510, 2520, 2630, 2640, 2840, 2940, 3020, 3030, 3130, 3140 (430000-), 3040 (430000-), 4000, 4020, 400, 4240, 4440, 4040, 4230, 4320, 4430, 4520, 4620, 4630, 4840, 4640, 5010, 5020, 6030, 7020, 7520, 8430, 8640, 8440, 8630, 301, 400, 401, 500, 600, 700A Fits the following Log Skidder Models: 440B, 440, 440A Fits the following Two-Wheel Drive Loader Models: 300, 301, 400