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  2. Rear-wheel drive - Wikipedia

    en.wikipedia.org/wiki/Rear-wheel_drive

    Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only. Until the late 20th century, rear-wheel drive was the most common configuration for cars. Most rear-wheel drive vehicles feature a longitudinally-mounted engine at the front of the car.

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

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

    The front-engine front-wheel-drive layout also has this advantage. Since the engine is typically the heaviest component of the car, putting it near the rear axle usually results in more weight over the rear axle than the front, commonly referred to as a rear weight bias. The farther back the engine, the greater the bias.

  4. Powertrain layout - Wikipedia

    en.wikipedia.org/wiki/Powertrain_layout

    The front-engine, rear-wheel drive layout (abbreviated as FR layout) is one where the engine is located at the front of the vehicle and driven wheels are located at the rear. [3] This was the traditional automobile layout for most of the 20th century, and remains the most common layout for rear-wheel drive vehicles. [4]

  5. Mid-engine design - Wikipedia

    en.wikipedia.org/wiki/Mid-engine_design

    The mid-engine, rear-wheel-drive format can be considered the original layout of automobiles. [citation needed] A 1901 Autocar was the first gasoline-powered automobile to use a drive shaft and placed the engine under the seat.

  6. Transaxle - Wikipedia

    en.wikipedia.org/wiki/Transaxle

    The transaxle case was designed to allow the final-drive ring gear to be on either side of the pinion; this allowed the engine-transaxle assembly to be used in the rear-wheel-drive Lotus Europa, which had the engine in front of the transaxle (i.e., mid-engined).

  7. Rear-engine design - Wikipedia

    en.wikipedia.org/wiki/Rear-engine_design

    Rear-engine position / Rear-wheel drive. Rear-engined vehicles almost always have a rear-wheel drive car layout, but some are four wheel drive. This layout has the following features: Packaging: since there is no need for a transmission tunnel, the floor can be flat. [1]

  8. Differential (mechanical device) - Wikipedia

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

    Differential unit for a rear-wheel drive car, built by ZF c. 2004 Differential gears (in yellow) in a punched tape reader, built by Tally c. 1962 A differential is a gear train with three drive shafts that has the property that the rotational speed of one shaft is the average of the speeds of the others.

  9. Rear mid-engine, rear-wheel-drive layout - Wikipedia

    en.wikipedia.org/wiki/Rear_mid-engine,_rear...

    RMR layout; the engine is located in front of the rear axle. Rear Mid-engine transversely-mounted / Rear-wheel drive. In automotive design, an RMR, or rear mid-engine, rear-wheel-drive layout is one in which the rear wheels are driven by an engine placed with its center of gravity in front of the rear axle, and thus right behind the passenger compartment.