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  2. Manual transmission - Wikipedia

    en.wikipedia.org/wiki/Manual_transmission

    Top and side view of a typical manual transmission, in this case, a Ford Toploader, used in vehicles with external floor shifters. The first car to use a manual transmission with synchromesh was the 1929 Cadillac. [5] Most North American marques had adopted synchronized manual transmissions, usually for second and high gears, by the mid-1930s.

  3. Non-synchronous transmission - Wikipedia

    en.wikipedia.org/wiki/Non-synchronous_transmission

    In 1891, the French Panhard et Levassor automobile used a three-speed manual transmission and is considered to have set the template for multi-speed manual transmissions in motor vehicles. [ 3 ] [ 4 ] This transmission used a sliding-gear design without any form of speed synchronization, causing frequent grinding of the gear teeth during gear ...

  4. Overdrive (mechanics) - Wikipedia

    en.wikipedia.org/wiki/Overdrive_(mechanics)

    The automatic transmission automatically shifts from OD to direct drive when more load is present. When less load is present, it shifts back to OD. Under certain conditions, for example driving uphill, or towing a trailer, the transmission may "hunt" between OD and the next highest gear, shifting back and forth.

  5. Rear-engine, rear-wheel-drive layout - Wikipedia

    en.wikipedia.org/wiki/Rear-engine,_rear-wheel...

    To compensate for the uneven (35/65) weight distribution caused by the rear-mounted engine, DeLorean used rear wheels with a diameter slightly greater than the front wheels. Before that was the rear-engined Škoda's from Škoda 1000MB (produced from 1964) to Škoda 130/135/136 (produced until 1990) or the Polski Fiat 126p (produced until ...

  6. Drive wheel - Wikipedia

    en.wikipedia.org/wiki/Drive_wheel

    A two-wheel drive vehicle has two driven wheels, typically both at the front or back, while a four-wheel drive has four. A steering wheel is a wheel that turns to change the direction of a vehicle. A trailer wheel is one that is neither a drive wheel, nor a steer wheel. Front-wheel drive vehicles typically have the rear wheels as trailer wheels.

  7. Freewheel - Wikipedia

    en.wikipedia.org/wiki/Freewheel

    The freewheel controlled drive from the gearbox to the front axle, which disengaged on the overrun. This allowed the vehicle to have a permanent 4 wheel drive system by avoiding 'wind-up' forces in the transmission. This system worked, but produced unpredictable handling, especially in slippery conditions or when towing, and was replaced by a ...

  8. Transaxle - Wikipedia

    en.wikipedia.org/wiki/Transaxle

    In the Nissan, one driveshaft sends power to the transaxle (which also contains the 'center' differential) and another driveshaft sends power back along the car to the front wheels. In the Ferrari, the rear transaxle works in a conventional manner, whilst the drive to the front wheels comes from a separate gearbox at the front of the engine.

  9. F35 transmission - Wikipedia

    en.wikipedia.org/wiki/F35_transmission

    The F35 is a Saab-designed five-speed manual transmission built in Saab’s Gothenburg, Sweden, powertrain plant.This extensively tested manual transmission was originally introduced in the 1984 Saab 9000, and was later used in the Saab 900, 9-3 and 9-5, Saturn Ion Redline, Chevrolet Cobalt SS, Chevrolet HHR SS and various GM/Opel transverse engine front-wheel drive applications.