1986 - 4T60
| Model Code | Engine | Platform | Differential Ratio | Sprocket Ratio | Final Drive Ratio | Converter Code | Convertor Stall Speed |
| CNH, CFH, CMH | 2.8 V6 HO | A-Body: Chevrolet, Pontiac, Oldsmobile, Buick | 3.06 | 35/35 | 3.06 | FD6B | 2095 |
| HJH | 2.8 V6 (Canada) | A-Body: Chevrolet, Pontiac, Oldsmobile, Buick | 3.06 | 35/35 | 3.06 | FD6B | 2095 |
| HBH | 2.8 V6 (Venezuela) | A-Body: Chevrolet, Pontiac, Oldsmobile, Buick, Cadillac | 3.33 | 37/33 | 2.97 | FD6B | 2095 |
| BFH, BCH, BDH | Buick 3.8 V6 (High Altitude) | A-Body: Oldsmobile, Buick | 2.84 | 35/35 | 2.84 | FL4B | 1895 |
| CTH | 2.8 V6 HO (High Altitude) | A-Body: Chevrolet, Pontiac, Oldsmobile, Buick, Cadillac | 3.33 | 35/35 | 3.33 | FD6B | 2095 |
| BPH | Buick 3.8 V6 (High Altitude) | A/C-Bodies: Chevrolet, Pontiac, Oldsmobile, Buick | 2.84 | 35/35 | 2.84 | FL4B | 1895 |
| BAH | Buick 3.8 V6 | C-Body: Chevrolet, Pontiac, Oldsmobile, Buick | 2.84 | 35/35 | 2.84 | FM4B | 1895 |
| BLH | Buick 3.8 V6 | C-Body: Chevrolet, Pontiac, Oldsmobile, Buick | 3.06 | 35/35 | 3.06 | FL4B | 1895 |
| BGH | Buick 3.8 V6 (High Altitude) | C-Body: Chevrolet, Pontiac, Oldsmobile, Buick | 2.84 | 35/35 | 2.84 | FL4B | 1895 |
| ACH, AMH, AFH | Cadiallac 4.1 V8 | Cadillac C-Body | 3.33 | 37/33 | 2.97 | FM8C | 1525 |
| AJH | Cadiallac 4.1 V8 (High Altitude) | Cadillac C-Body | 3.33 | 37/33 | 2.97 | FM8C | 1525 |
| ARH, ADH | Cadiallac 4.1 V8 | C-Body (Export) | 3.33 | 37/33 | 2.97 | FM8C | 1525 |
| BMH, BSH, BZH | Buick 3.8 V6 | E-Body: Oldsmobile, Buick | 2.84 | 35/35 | 2.84 | FL4B | 1895 |
| BTH, BYH | Buick 3.8 V6 | E-Body: Oldsmobile, Buick | 3.33 | 37/33 | 2974 | FL4B | 1895 |
| BQH | Buick 3.8 V6 (High Altitude) | E-Body: Oldsmobile, Buick | 2.84 | 35/35 | 2.84 | FL4B | 1895 |
| AAH, ABH, AYH | Cadillac 4.1 V8 | Cadillac E/K-Bodies | 3.33 | 37/33 | 2.97 | FM8C | 1525 |
| BBH | Buick 3.8 V6 | H-Body: Oldsmobile, Buick | 3.06 | 37/33 | 2.73 | FL4B | 1895 |
| BCH, BDH | Buick 3.8 V6 | H-Body: Oldsmobile, Buick | 2.84 | 375/35 | 2.84 | FL4B | 1895 |
| BHH | Buick 3.8 V6 | H-Body: Oldsmobile, Buick | 3.06 | 35/35 | 3.06 | FL4B | 1895 |