... A4AF1, 2,3: A: Automatic transaxle, 4: 4speed, A: Alpha, 1: Developing order - A4BF1,2: A: Automatic transaxle, 4: 4speed, B: Beta, 1: Developing order The advanced alpha automatic transaxle (A4AF3)... Service Training Center Alpha, Beta Automatic Transaxle 2.1 Components - The Function of Components - Thrust bearing & Races Chonan Technical Service Training Center Alpha, Beta Automatic Transaxle. .. In this training manual, only for the advanced alpha automatic transaxle will be explained as the model is applied on the vehicle currently [Alpha, Beta AT] The first old alpha automatic transaxle