1962-74 Oldsmobile Automatic Transmission Codes








AUTOMATIC TRANSMISSION IDENTIFICATION

OLDSMOBILE
F-85 Hydra-Matic 1

1962	Code Prefix	1963	Code Prefix
2 Bar. Carb	O562	2 Bar. Carb Column shift	O563
4 Bar. Carb	OD562	4 Bar. Carb Column shift	OD563
4 Bar. Carb Console shift	OE562	4 Bar. Carb Console shift	OE563
4 Bar. Carb Console shift	OE562	Turbo Rocket Console shift	OX563
Roto Hydra-Matic 375 2
1962		1963
88 Series Low compression eng	O	88 Series Low compression eng	O
88 Series Std. compression eng	OC	88 Series Std. compression eng	OC
Super 88, 98 Exc. Starfire	OA	S8, 88 4 Bar. Carb	OA
Starfire Series	OB	Starfire, 98	OCH
1964		Starfire, 98 Heavy duty	OHC
Dynamic 88 Low compres eng	O
Dynamic 88 Std. compres eng	OC
Dynamic 88, S88, 98 4 Bar. Carb	OA
Jetstar I, Starfire, 98 Custom Sport Coupe	OB
Dynamic 88 Heavy Duty	OCH
Heavy duty 4 Bar. Carb	OBH
Olds Jetaway 3
1964		1965
V6-F-85	25	V6-F-85	LJ
V8-F-85	35	V8-F-85	MJ
Jetstar 88 2 Bar. Carb	37	V8-F-85 4 Bar. Carb	MK
Jetstar 88 4 Bar. Carb	39	Jetstar 88	MT
Jetstar 88 for export	38	V8 4 Bar. Carb	MU
1966		1967
V6-F-85	LC	V6-F-85	LC
V8-330 F-85 2 Bar. Carb	ML	2 Bar. Carb	ML
V8-330 F-85 4 Bar. Carb	MK	4 Bar. Carb	MK
V8-400 4 Bar. Carb	NJ	Delmont 88	MT
V8-330 Jetstar 88	MT
GM Turbo Hydra-Matic/375/400 2 SUPER TURBINE 400
1965		1966
2 Bar. Carb Hi compression	OA	Ultra Hi perf. Engine	OD
4 Bar. Carb	OB	Jetstar 88	OF
2 Bar. Carb Lo compression	OC	Heavy duty unit	OE
Heavy duty unit	OE	1968
1967		V8-350 Vista Cruiser	OA
Vista Cruiser	OA	V8-350 Delmont	OF
Senior Models 2 & 4 Bar. Carb	OB	V8-400 Vista Cruiser	OP
Senior Models Low Compression	OC	V8-400 2 Bar. Carb 442	OH
Starfire Engine	OD	V8-400 4 Bar. Carb, F-85, Cutlass 442	OG
Heavy duty Transmission	OE	V8-455 2 Bar. Carb	OC
Delmont 88	OF	V8-455 4 Bar. Carb	OB
F-85 V8-400 4 Bar. Carb	OG	V8-455 4 Bar. Carb Heavy duty Police	OL
F-85 V8-400 2 Bar. Carb	OH
Toronado	OJ
1969		1970
V8-350 Vista Cruiser	OA	V8-350 Exc. below	OF
V8-350 Delta 88 w/cruise control	OA	V8-350 w/cruise control	OA
V8-350 Delta 88	OF	V8-455 2 Bar. Carb Exc. below	OC
V8-400 442 Ram Air	OW	V8-455 4 Bar. Carb.,Delta 88	OB
V8-400 442 Exc. Ram Air	OG	V8-455 4 Bar. Carb., cruise control	OR
V8-400 4 Bar. Carb Vista Cruiser	OP	V8-455 Cutlass Exc. SX	OD
V8-455 4 Bar. Carb., 98	OB	V8-455 Cutlass 442 Exc. SX Ram Air	OG
V8-455 2 Bar. Carb Delta	OC	V8-455 4 Bar. Carb., Senior models cruise control	OK
V8-455 2 Bar. Carb., Delta, 98	OK	V8-455 Vista Cruiser	OK
V8-455 Heavy duty Police	OL	V8-455 Police	OL
V8-455 2 Bar. Carb Delta	OR	V8-455 442 Ram Air	OW
1971		1972
V8-455 4 Bar. Carb., Supreme	OD	V8-350 Vista Cruiser	OA
V8-455 442	OG	V8-350 Senior models	OA
V8-455 442 w/ Air induction	OW	V8-455 4 Bar. Carb., Cutlass Dual exhuast	OD
V8-455 Vista Cruiser	OA	V8-455 4 Bar. Carb., Cutlass W30	OW
V8-455 2 Bar. Carb., Vista Cruiser	OR	V8-455 Senior models	OR
V8-455 4 Bar. Carb., Vista Cruiser	OK	V8-455 Senior models Dual exhuast	OK
V8-455 2 Bar. Carb., Senior models	OR	V8-455 Vista cruiser Dual exhuast	OK
V8-455 Senior models Dual exhuast	OK	1974
V8-455 Delta 88 Single exhuast	OR	V8-350 88	OA
1973		V8-455 Cutlass Exc. CA	OD
V8-455 4 Bar. Carb., Cutlass	OD	V8-455 Cutlass CA	OW
V8-455 Senior models Dual exhuast	OK	V8-455 Cutlass 275HP	OX
V8-455 Senior models	OR	V8-455 88 & 98 Single exhuast Exc. CA	OR
		V8-455 88 & 98 Single exhuast CA	OL
		V8-455 88 & 98 Dual exhuast	OK
		V8-455 Custom Cruiser Exc. CA	OK
		V8-455 Custom Cruiser CA	OE
Turbo Hydra-Matic Front Wheel Drive
1969-70		1969-74
Toronado High Perf. Eng	OM	Toronado Exc. below	OJ
		Toronado 1974 CA	OM
Turbo Hydra-Matic /250/350/375B 4
1969		1970
V8-350 F-85 2 Bar. Carb	JG	6-250	JE
V8-350 F-85 4 Bar. Carb	JL	V8-350 2 Bar. Carb	JG
1971		V8-350 4 Bar. Carb Exc. below	JL
6-250	JE	V8-350 Ram Air	JO
V8-350 Exc. below	LA	V8-350 Vista Cruiser	JM
V8-350 Delta 88	LL	1972
1973		ALL	KA, LA
6-250 Omega	JE	1974
V8-350 2 Bar. Carb.,Omega & Cutlass	LH	6-250 Omega	JE
V8-350 4 Bar. Carb., Omega & Cutlass	LA	V8-350 Exc. CA ,Omega & Cutlass	LA
V8-350 4 Bar. Carb.,Vista Cruiser	LE	V8-350 CA, Omega & Cutlass	LC
		V8-350 Vista Cruiser Exc. CA	LE

1- Located on ID plate above filler tube 2- Located on ID plate with year and serial # 3- Located; 1964-65 Metal tag, 1965-67 Stamp on servo cover 4-Production day, shift built, transmission model and model year are stamped on the 1-2 accumulator cover in the middle right side of case


The transmission code decoder reveals the transmission type, engine displacement, plate location and configuration.

AUTOMATIC TRANSMISSION IDENTIFICATION

OLDSMOBILE

F-85 Hydra-Matic

Roto Hydra-Matic 375

Olds Jetaway

GM Turbo Hydra-Matic/375/400

Turbo Hydra-Matic Front Wheel Drive

Turbo Hydra-Matic /250/350/375B