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  2. Overdrive (mechanics) - Wikipedia

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

    A plate warns to only engage the unit in third and fourth gears. Overdrive is the operation of an automobile cruising at sustained speed with reduced engine speed (rpm), leading to better fuel consumption, lower noise, and lower wear. [1] The term is ambiguous. [1] The most fundamental meaning is that of an overall gear ratio between engine and ...

  3. Ford AOD transmission - Wikipedia

    en.wikipedia.org/wiki/Ford_AOD_transmission

    The AOD (automatic overdrive) is a four-speed automatic transmission, with the 4th gear as overdrive. Introduced in 1980, it was Ford 's first four-speed automatic overdrive transmission. The gearset design is based on the Ford "X" automatic transmissions used during the 1950s, '60s, and '70s. The AOD replaced many of Ford's older transmissions ...

  4. Volvo I-Shift - Wikipedia

    en.wikipedia.org/wiki/Volvo_I-Shift

    The different versions of the I-Shift are named AT (Automatic Transmission) or ATO, where the O stands for overdrive. The standard versions have a gear ratio of 1:1, while the overdrive has a ratio of 0.78:1, suitable for long-distance use. The numbers show maximum torque in hundreds of newton metres, plus 12 for the number of gears. [1]

  5. BorgWarner T-5 transmission - Wikipedia

    en.wikipedia.org/wiki/BorgWarner_T-5_transmission

    75 lb (34 kg) dry. Input torque. 300 lb⋅ft (410 N⋅m) max. The BorgWarner T-5 is a 5-speed manual transmission for longitudinal engine automobiles. It includes one overdrive gear, a lightweight aluminum housing, and adaptability for four wheel drive use. It is currently manufactured by TREMEC. [clarification needed]

  6. Ford C3 transmission - Wikipedia

    en.wikipedia.org/wiki/Ford_C3_transmission

    Mostly specific difference between 5R55W (wide shift) and 5R55S (synchronic shift) is a different overdrive planet gear ratio. Entry-level models of the 2008 Ford FG Falcon were the newest recipients of the 5R55 transmission. Applications: 1997 Ford Aerostar (with 4.0 V6 engine) 1997-2011 Ford Ranger; 1997–2010 North American Mazda B-Series

  7. Tremec TR-6060 transmission - Wikipedia

    en.wikipedia.org/wiki/Tremec_TR-6060_transmission

    As usual, the forward helical cut gears are synchronized. However, the reverse gear operates through a fully synchronized constant-mesh system. The TR-6060 contains removable wear pads on the shift forks, and uses aluminum alloys for the main case, extension housing, and clutch housing. It is a double overdrive transmission.

  8. Toyota A transmission - Wikipedia

    en.wikipedia.org/wiki/Toyota_A_transmission

    Toyota Motor Corporation's A family is a family of automatic FWD/RWD/4WD/AWD transmissions built by Aisin-Warner.They share much in common with Volvo's AW7* and Aisin-Warner's 03-71* transmissions, which are found in Suzukis, Mitsubishis, and other Asian vehicles.

  9. Transmission (mechanical device) - Wikipedia

    en.wikipedia.org/wiki/Transmission_(mechanical...

    A transmission (also called a gearbox) is a mechanical device which uses a gear set —two or more gears working together—to change the speed, direction of rotation, or torque multiplication/reduction in a machine. [1][2] Transmissions can have a single fixed-gear ratio, multiple distinct gear ratios, or continuously variable ratios.