What transmission does the Volvo S90 use?
1 Answers
Volvo S90 comes standard with an 8-speed automatic transmission, which can quickly respond to changes in engine speed, ensuring smooth gear shifts. The multiple switchable gear ratios mean the engine's torque and power range can be effectively utilized. Two of these gears are overdrive gears, which help save fuel when driving at a constant engine speed. Manual gear selection is also available, and the current gear is displayed on the driver's screen. Additional information: 1. The transmission is one of the main components of a car's drivetrain. The actual usage conditions of a car are very complex, such as starting, idling, low or high-speed driving, acceleration, deceleration, climbing, and reversing. This requires the car's driving force and speed to vary over a considerable range, while the output torque and speed range of the widely used piston engines are relatively small. 2. To adapt to frequently changing driving conditions and allow the engine to operate under favorable conditions (higher power, lower fuel consumption), a transmission is installed in the drivetrain. Each gear has a different gear ratio, equivalent to the meshing of a small gear with a large gear to produce different speeds. Lower gear ratios (3rd gear and below) are used for low-speed driving, where the output shaft speed is lower than the engine speed, providing greater driving force. Higher gear ratios (4th gear and above) are used for high-speed driving, where the output shaft speed exceeds the engine speed, reducing traction to achieve higher speeds. Shifting gears means selecting different-sized gears to mesh with the output shaft gear.
