Tucker Type 335
The Tucker 334 engine was different than any other engine from the period. It incorporated a direct drive torque converter, which eliminated the need for a traditional transmission. A torque converter transmits the engine’s power directly to the rear wheels. The design allowed the car to start and accelerate smoothly without the need for shifting gears (via Motor Trend).
There are only a few prototypes in existence. Nevertheless, the Tucker 334 engine remains an interesting piece of automotive history. It showcased the innovative thinking and technology of its time. There are only a few prototypes of this engine yet it was still a notable addition to the market. The technology that went into the engine is the stuff of legends and you seldom see it now.