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What is the Difference Between Longitudinal and Transverse Dual-Clutch Transmissions?

1 Answers

LeIan

07/29/25 7:57pm

The differences between longitudinal and transverse dual-clutch transmissions: 1. Different placement directions of the dual-clutch transmission: The transverse dual-clutch is placed horizontally, requiring the transmission to be placed side by side in a horizontal arrangement. The longitudinal dual-clutch is placed vertically, with the transmission positioned behind the engine. 2. Different power output directions: The power transmission direction of the transverse dual-clutch is typically perpendicular to the car's forward direction, and after entering the transmission, the power is usually transmitted horizontally, directly into the half-shaft. The power transmission direction of the longitudinal dual-clutch is parallel to the car's movement direction, transmitting backward, and after entering the transmission, it continues to transmit longitudinally backward, usually connecting to the central drive shaft for direct rearward transmission. 3. Different car drivetrain configurations: Transverse dual-clutch transmissions are typically used in front-engine, front-wheel-drive setups, while longitudinal dual-clutch transmissions are usually found in front-engine, rear-wheel-drive configurations. 4. Different suspension systems: Generally, vehicles with a longitudinal dual-clutch layout, due to smaller lateral space requirements, can often save significant space, allowing for the installation of more advanced multi-link or double-wishbone suspension systems. For transverse dual-clutch layouts, since the dual-clutch is longer and the transmission must be placed side by side, higher demands are placed on lateral space usage. 5. Different space occupancies: Also due to the size of the dual-clutch, the longitudinal dual-clutch engine occupies significantly more space in the cabin.

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