12V Alternator AL78689 AE53101 for John Deere Engine 4045 6068 Tractor 6200 6300 6400 6500 6800 6900 Loader 544E 624E 644E

Replacement Part Number:
20130210, AE53101, AL78689, AL78692, AL81438, AT78689, SE502628, TY6777, TY6793

Specification:
Voltage: 12V
Amperage: 120A

Fit for following engines:
John Deere Engine:
4039DF001, 4039DFM01, 4039TF001, 4039TF002, 4039TL001, 4039TL003, 4039TL004, 4039TL006, 4039TL007, 4045DF001, 4045DL001, 4045DL002, 4045HE050, 4045HE051, 4045TE050, 4045TF001, 4045TF151, 4045TFM01, 4045TL001, 4045TL002, 4045TL003, 4045TL004, 6059DF001, 6059DF092, 6059TF001, 6059TF002, 6059TF003, 6059TF004, 6059TL001, 6068DF001, 6068DFM01, 6068DL001, 6068HE050, 6068HE051, 6068HN052, 6068HYC53, 6068HYC54, 6068TF001, 6068TFM01, 6068TL001, 6068TL002, 6068TYC52, 6076AF030, 6076AFM, 6076AFM30, 6076AFN30, 6076AN031, 6076HF030, 6076TF030, 6081, 6081AF001, 6081AFM75, 6081AN001, 6081HF070, 6081HZ013, 6081TF001, 6101AF010, 6101HF010, 6105, 6105AF001, 6105HF001, 6125AF001, 6125HF001, 6125HZ007, 6125HZ008, 6125HZ009, 6125HZ013, 4039, 4045, 6059, 6068, 6076, 6101, 6125, TF151
Cimmins Engine: QSX15

Applications:
Fit for following models:
John Deere Combine:
1076, 1185, 2054, 2056, 2058, 2064, 2066, 2254, 2256, 2258, 2264, 2266, 2266EXTRA, 3518, C230, W210
John Deere Cotton Picker: 9970
John Deere Harvester:
6610, 6650, 6710, 6750, 6810, 6850, 6910, 6950, 7200, 7300, 7400, 7500, 7700, 7800
John Deere Loader:
344E, 544E, 544E LL, 544E TC, 624E, 644E, 644ER, 644EZ
John Deere Tractor:
1350, 1550, 1640, 1750, 1850, 1850N, 1950, 1950N, 2040, 2040S, 2140, 2155, 2240, 2250, 2350, 2355, 2355N, 2450, 2550, 2555, 2650, 2650N, 2750, 2755, 2840, 2850, 2855N, 2950, 2955, 3040, 3050, 3140, 3150, 3350, 3640, 3640S, 6100, 6200, 6200L, 6300, 6300L, 6400, 6400L, 6500, 6500L, 6506, 6600, 6800, 6900, 840, SE6100, SE6200, SE6300, SE6400
John Deere Windrower: 4890, A400, R450

Compatible Model Brand	Model Number	Replacement Part Number
For JOHN DEERE	2054, 1640, 2040, 2040S, 2140, 2250, 2350, 2355, 2450, 2550, 2555, 2650, 2650N, 2750, 2755, 2850, 2855N, 2950, 2955, 3040, 3050, 3140, 3350, 344E, 7700, 1550, 6600, 6100, 6500, 1350, 1750, 1850, 1850N, 1950, 1950N, 2155, 2240, 2355N, 6800, 6810, 7400, 7500, 6300, 1185, 544E, 544E TC, 624E, 644E, 7300, 2840, 6200, 6400, 6506, 6900, 7200, 7800, 6610, 6910, 840, 9970, 2056, 2058, 2064, 2066, 2254, 2256, 2258, 2264, 2266, 2266EXTRA, 6650, 6710, 6750, 6850, 6950, 6200L, 6300L, 6400L, 6500L, 544E LL, SE6100, SE6200, SE6400, SE6300, 3518, C230, 644ER, 644EZ, 4890, 3150, 3640, 3640S, A400, R450, W210, 1076	AE53101, AL78689, AL78692, AL81438, AT78689, SE502628, TY6777, TY6793

Compatible Engine Brand	Engine Number	Replacement Part Number
For JOHN DEERE	4045, 6068, 6101, 4039, 4039DF001, 4039DFM01, 4039TF001, 4039TF002, 4045DF001, 4045TF001, 4045TFM01, 6076, 6076AF030, 6076AFM, 6076AFM30, 6076AFN30, 6076HF030, 6076TF030, 6081, 6081AF001, 6081TF001, 6059, 6059DF092, 6125, 6068DF001, 6068TF001, 6059DF001, 6059TF001, 6059TF002, 6059TF003, 6059TF004, 4045TF151, TF151, 4039TL001, 4039TL003, 4039TL004, 4039TL006, 4039TL007, 4045DL001, 4045DL002, 4045TL001, 4045TL002, 4045TL003, 4045TL004, 4045HE050, 4045HE051, 6068TL001, 6068TL002, 6125AF001, 6059TL001, 6068DL001, 6081HF070, 6081HZ013, 6125HZ007, 6125HZ008, 6125HZ009, 6125HZ013, 6105, 6101AF010, 6101HF010, 6081AFM75, 4045TE050, 6068HN052, 6081AN001, 6068HYC54, 6076AN031, 6105AF001, 6105HF001, 6125HF001, 6068TYC52, 6068DFM01, 6068HYC53, 6068HE050, 6068HE051, 6068TFM01	AE53101, AL78689, AL78692, AL81438, AT78689, SE502628, TY6777, TY6793
For CUMMINS	QSX15

Customer Reviews

5 5 out of 5

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Top Reviews

spaugh

Reviewed on 30/09/2026

Excellent Replacement Alternator

This alternator was a great replacement for my John Deere equipment. It fit properly and was straightforward to install. After installation, the charging system is working reliably, and the engine starts without any issues. The alternator arrived well packaged and in good condition. Very satisfied with the fit, quality, and performance.

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bonniwarnken01

Reviewed on 07/08/2026

Charges the battery strong

Bolted this alternator onto my John Deere 4045 tractor and volts climb right up. Belt lines up, charging steady.

Zepedajennifer087

Reviewed on 14/06/2026

Highly recommend, no complaints

Honestly exceeded my expectations. Fit, finish, function all on point. Saved a ton over the dealer price. Recommended.