Starter Fits John Deere Tractors 3010 3020 4000 4010 4020 4030 4040 4230 4240One New Aftermarket Replacement Starter Fits John Deere Tractor Models with Diesel Engines: 482CS, 3010, 3020, 4000, 4010, 4020, 4030, 4040, 4230, 4240, 4320, 4430, 4440, 4520, 4620, 4630, 4640M 4840, 7020, 8430, 8440 Also Fits John Deere Combine Models with Diesel Engine Models: 4400, 6600, 6602, 6620, 7700, 7720, 8820 12 Volt Planetary Gear Reduction Heavy Duty 10 Tooth Clockwise Rotation Replaces Part Numbers: AMX34112, X34112, ELS60 0101, 111