Turbo-Hydramatic 425
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| Turbo-Hydramatic 425/325/325-4L | |
|---|---|
| Manufacturer | General Motors |
| Production | 1966–1985 |
| Successor | 4T60 |
| Class | 3-speed longitudinal automatic transmission |
| Related | Turbo-Hydramatic 125 Turbo-Hydramatic Turbo-Hydramatic 180 |
| Similar | Ford C-4/C-5 |
Turbo-Hydramatic 425 (and later 325) was an automatic transmission developed and produced by General Motors . It was a derivative of the Turbo-Hydramatic developed for the 1966 Oldsmobile Toronado and 1967 Cadillac Eldorado and later used for other longitudinal engine front-wheel drive vehicles as the 325. The TH325 became the TH325-4L with an overdrive added in 1982, but all vehicles using this transmission switched to more-conventional transverse engine mounting in 1986.
Applications:
- TH425
- 1966–1978 Oldsmobile Toronado
- 1967–1978 Cadillac Eldorado
- 1973-1978 GMC Motorhome
- TH325
- 1979–1981 Buick Riviera
- 1979–1981 Cadillac Eldorado
- 1979–1981 Oldsmobile Toronado
- 1980–1981 Cadillac Seville
- TH325-4L
- 1982–1985 Buick Riviera
- 1982–1985 Cadillac Eldorado
- 1982–1985 Cadillac Seville
- 1982–1985 Oldsmobile Toronado
