12V 90A Alternator AH11221 for John Deere Combines 4400 4420 6600 6602 6620 6622 7700 7720MAKE TYPE MODEL ENGINE John Deere Agricultural Tractor 6600 329 Diesel John Deere Agricultural Tractor 6600 404 Diesel John Deere Agricultural Tractor 6620 466 Diesel John Deere Agricultural Tractor 7700 404 Diesel John Deere Agricultural Tractor 9400 359 Diesel John Deere Agricultural Tractor 9400 466 Diesel John Deere Combine 4420 329CID John Deere Combine 6602 362 GAS John Deere Combine 6602 404 Diesel John Deere Combine 6622 466 Diesel John Deere