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2. Volvo I-Shift - Wikipedia

   en.wikipedia.org/wiki/Volvo_I-Shift

   In June 2014, [4] Volvo Trucks presented a new dual-clutch version of the I-Shift, known as SPO2812, with overdrive and a maximum torque of 2800 N·m. [5] The dual-clutch version is only available for trucks up to 540 hp. The I-Shift Dual Clutch has two input shafts which are alternatively connected to the engine through two clutches.

3. Dual-clutch transmission - Wikipedia

   en.wikipedia.org/wiki/Dual-clutch_transmission

   A dual-clutch transmission (DCT) (sometimes referred to as a twin-clutch transmission) is a type of multi-speed vehicle transmission system, that uses two separate clutches for odd and even gear sets. [1] The design is often similar to two separate manual transmissions with their respective clutches contained within one housing, and working as ...

4. Double-clutching (technique) - Wikipedia

   en.wikipedia.org/wiki/Double-clutching_(technique)

   During any shift, disconnecting drive components via a clutch unloads the force from the opposing components from the engine and transmission. Disengaging the clutch for each shift out of, and then into, each gear is double clutching or declutching. [4] Due to the absence of a neutral spacing, double-clutching is impossible for sequential gear ...

5. Direct-shift gearbox - Wikipedia

   en.wikipedia.org/wiki/Direct-shift_gearbox

   A direct-shift gearbox (DSG, German: Direktschaltgetriebe [1]) [2] [3] is an electronically controlled, dual-clutch, [2] multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic [2] or semi-manual gear selection.

6. Transmission control unit - Wikipedia

   en.wikipedia.org/wiki/Transmission_Control_Unit

   Many TCUs now have an input from the vehicle's traction control system. If the TCS detects unfavourable road conditions, a signal is sent to the TCU. The TCU can modify shift programmes by upshifting early, eliminating the torque converter lock-up clutch application, and also eliminating the first gear totally and pulling off in 2nd. [3]

7. Geartronic - Wikipedia

   en.wikipedia.org/wiki/Geartronic

   Manual shifting is allowed with the gear stick in the manual mode. The gear stick can also be used just like any other automatic gearbox, where the transmission will shift automatically. Geartronic is offered on Volvo vehicles with engine displacements of 2.0 liters or greater. Geartronic transmissions are manufactured in Japan by Aisin AW.