TRANSMISEESION IDENTIFICATION CONT D INCLUDING AXLE RATIO TRANS ISE iIZON TO ASSEMBILY CODES Note Transmission identification can be located in one of three positions on the transmission A Identification plate on side of case B Stamping number on governor cover C Ink stamped on bell housing 1984 MD9 3 SPD A T ME9 4 SPD A T THM125C THM44OT4 M19 4 SPD MAN BF 2 97 RATIO BC 2 84 RATIO UF 3 65 RATIO BL 2 53 RATIO CW 3 06 RATIO UN 2 66 RATIO HS 2 84 RATIO OP 2 39 RATIO PD 2 84 RATIO PW 2 39 RATIO MY8 4 SPD MAN UR 2 66 RATIO FR l NT AXLE IDENTIFICATION 2 39 RATIO 2 53 RATIO 2 66 RATIO OP PW BL UN UR 2 84 RATIO 2 97 RATIO 3 06 RATIO HS PD BF CW BC 3 65 RATIO UF 1985 MD9 3 SPD A T ME9 4 SPD A T THM125C THM440T4 BF 2 97 RATIO BA 2 84 RATIO BL 2 53 RATIO CW 3 06 RATIO CL 2 84 RATIO HT 3 06 RATIO HS 2 84 RATIO HJ 3 06 RATIO PD 2 84 RATIO BR 2 84 RATIO PW 2 39 RATIO BN 3 33 RATIO OP 2 39 RATIO BU 3 06 RATIO CN 3 06 RATIO BY 3 33 RATIO i 1993 GENERAL MOTORS SERVICE PARTS OPEF ATIONS BUICK 44A X 4 93 4 5 4 000