Fitment Guide:
John Deere Tractor: 4000-w/ Delco Alternator, 4020-w/ Delco Alternator, 4030, 4040-w/ Delco Alternator, 4050-w/ Delco Alternator, 4230-w/ Delco Alternator, 4240, 4250-w/ Delco Alternator, 4320-w/ Delco Alternator, 4430-w/ Delco Alternator, 4440, 4450-w/ Delco Alternator, 4620-w/ Delco Alternator, 4630-w/ Delco Alternator, 4640-w/ Delco Alternator, 4650-w/ Delco Alternator, 4840-w/ Delco Alternator, 4850-w/ Delco Alternator, 6030-w/ Delco Alternator, 7020-w/ Delco Alternator, 7520-1972 – 75, w/ Delco Alternator, Optional, 8430-1975 – 78, w/ Delco Alternator, Optional, 8630-w/ Delco Alternator