The Oldsmobile Diesel engine is a series of V6 and V8 diesel engines produced by General Motors from 1978 to 1985. Their design was based on the Olds 350 gasoline engine architecture.
A 350 cu in (5.7 L) V8 was introduced in 1978, followed by a 261 cu in (4.3 L) V8 only for the 1979 model year. In 1982, a 263 cu in (4.3 L) V6 became available for both front front-wheel drive and rear-wheel drive vehicles.
Badge of the Oldsmobile Diesel on a Buick
1983 V6 experimental at the RE Olds Transportation Museum
Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse.
Turbo-Hydramatic 400 Transmission
A Hydra-Matic 3L80 transmission, produced between 1963 and 1995, at the Ypsilanti Automotive Heritage Museum
The underside of a Hydramatic transmission, as installed on a Humvee
A THM 200 transmission, produced between 1975 and 1987