What is the R gear?

1 Answers
SanMax
07/24/25 7:50am
R stands for Reverse gear, which is engaged when the vehicle needs to move backward. Below are some key details about the reverse gear: 1. Gear Introduction: The reverse gear is a standard driving gear found in all vehicles, typically marked with the uppercase letter 'R'. When engaged, the vehicle moves in the opposite direction compared to the forward gears, enabling the car to reverse. When the driver shifts the gear lever to the reverse position, the direction of the engine's power input remains unchanged, but the internal reverse output gear of the transmission engages with the output shaft, causing the output shaft to rotate in the opposite direction. This ultimately drives the wheels to rotate backward for reversing. In manual transmission models with five forward gears, the reverse gear is usually located behind the fifth gear, effectively in the position of a 'sixth' gear. Some models place it in a separate gear section, commonly seen in vehicles with six or more forward gears. Others position it directly below the first gear, requiring the gear lever to be pressed down a level to engage, as seen in older models like the Jetta. 2. Primary Function: The reverse gear has a singular and straightforward purpose—to enable the vehicle to move in the opposite direction, allowing it to reverse. This function is indispensable for any vehicle. In manual transmission models, the reverse gear also serves as a hill-holding brake. When parking on a downhill slope, engaging the reverse gear can mechanically lock the drive shaft.
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