John Deere RE500227 Alternator Assembly

The RE500227 is a 12 Volt, 90 Amp alternator assembly designed for John Deere PowerTech engines. It features an internal regulator (IR/IF), internal fan, and spool mount configuration with a 12:00 regulator clock position. The unit utilizes a M8x1.25 output stud terminal with negative ground polarity and clockwise rotation. It serves as a direct replacement for Denso 102211-1180 and 021080-0330 units. Applications cover John Deere 6081 (8.1L) and 6135 (13.5L) industrial, agricultural, and marine engine platforms including 6081AFM75, 6081AFM01, 6135SFM75, 6135HFG75, and 6090HFU84 models.