Ford also, for the first time, offered a conventional overdrive transmission instead of a two-speed rear axle.

It was the first-ever Le Mans entry to have an overdrive transmission.

A 4 speed overdrive automatic transmission (A140L) was an option, bringing the curb weight up to 2579 and 2610 lbs., respectively.

Additionally, Dodge introduced a new overdrive automatic transmission for reduced fuel consumption.

The overdrive transmission was only available with the 305 cu in V8, and was a mandatory option for this engine.

The 305 cu in engine and the automatic overdrive transmission was standard on station wagons.

Engines remained unchanged, but the four-speed automatic overdrive transmission was standard on all engines and models.

Introduced in 1980, it was Ford's first four-speed automatic overdrive transmission.

A generator is connected to the rotating drive wheels via an overdrive transmission.

Today, most gas and diesel cars and trucks come with an overdrive transmission because of the benefit to fuel economy.