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Lowest price we've seen: $127.78 on Nov 1 at Walmart. Tracked across 2 stores since Nov 1.
JOHN DEERE COMPACT UTILITY TRACTORS (670-1070 SERIES): • John Deere 670 Compact Utility Tractor w/Yanmar 3-Cyl Diesel • John Deere 770 Compact Utility Tractor w/Yanmar 3-Cyl Diesel • John Deere 790 Compact Utility Tractor w/Yanmar 3-Cyl Diesel • John Deere 870 Compact Utility Tractor w/Yanmar 3-Cyl Diesel • John Deere 970 Compact Utility Tractor w/Yanmar 3-Cyl Diesel • John Deere 990 Compact Utility Tractor w/Yanmar 3-Cyl Diesel • John Deere 1070 Compact Utility Tractor w/Yanmar 3-Cyl Diesel JOHN DEERE COMPACT UTILITY TRACTORS (2000/4000 SERIES): • John Deere 2305 Compact Utility Tractor w/Yanmar Diesel • John Deere 2320 Compact Utility Tractor w/Yanmar Diesel • John Deere 2520 Compact Utility Tractor w/Yanmar Diesel • John Deere 4010 / 4100 / 4110 / 4115 Compact Utility Tractor OEM PART NUMBERS: • John Deere: AM880339 / AM877957 • Kokusan Denki: GP9178 PERMANENT MAGNET ALTERNATOR - John Deere Compact Utility Tractors: New Kokusan Denki permanent magnet alternator for John Deere compact utility tractors including 670, 770, 790, 870, 970, 990, 1070, 2305, 2320, 2520, 4010, 4100, 4110, and 4115 models with Yanmar diesel engines. Permanent magnet design provides reliable charging without brushes or external excitation. 12V system. Replaces JD AM880339, AM877957, and Kokusan Denki GP9178. ⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.
