How to Distinguish Between Dry and Wet Dual-Clutch Transmissions?
2 Answers
Distinguishing between dry and wet dual-clutch transmissions can be done through the following methods: 1. Different clutch plate immersion methods: The clutch plates in a dry dual-clutch transmission are not immersed in transmission oil, whereas those in a wet dual-clutch transmission are immersed in transmission oil. 2. Different shifting speeds: Dry dual-clutch transmissions have faster shifting speeds compared to wet dual-clutch transmissions. Additionally, wet dual-clutch transmissions can withstand higher torque than dry dual-clutch transmissions. Wet dual-clutch transmissions are typically paired with more powerful engines, and vehicles equipped with such engines usually use wet dual-clutch transmissions.
I've been driving for over a decade and have experience with both dry and wet dual-clutch transmissions. The dry dual-clutch relies on air cooling, featuring a simple structure and lower cost, making it responsive for economical cars like my daily commuter—nimble in city start-stop traffic and fuel-efficient. However, it tends to overheat and shudder during long trips or prolonged traffic jams, especially noticeable in summer. The wet dual-clutch uses oil cooling, offering greater durability and smoothness, ideal for high-performance luxury cars or frequent highway driving. That said, it's heavier, slightly less fuel-efficient, and more expensive to maintain. Overall, choose dry for budget-friendly small cars, and opt for wet if you prioritize performance and comfort.