![]() ![]() Thanks to I-Shift Dual Clutch power-shifting, there is less risk of getting stuck on slippery or uneven roads, such as when hauling timber in a forest. I-Shift Dual Clutch also makes a big difference with livestock or tanker operations, since the seamless gear changes means less movement in the cargo itself. It is particularly effective in long haul operations and conditions that require a lot of gear changing, for instance on hills, roads with lots of twists and turns or when driving through cities with plenty of roundabouts and traffic lights. The result is more relaxed and safe driving,” says Drewsen. Power-shift gear changes, where there is no interruption in power delivery, means it is easier to keep up with traffic, especially on difficult stretches of roads. The heavier the transport and the tougher the operating conditions, the more you will gain with I-Shift Dual Clutch. “For trucks, this gearbox will truly make a major difference to driveability. A semi-automatic transmission is a multiple-speed transmission where part of its operation is automated (typically the actuation of the clutch), but the drivers input is still required to launch the vehicle from a standstill and to manually change gears. Transmissions with dual clutches are already used in cars, but Volvo Trucks is the first manufacturer in the world to offer a similar solution for series-produced heavy vehicles when it will be available on certain Volvo FH models from autumn 2014. As a result, engine torque is maintained and driving comfort is significantly improved,” says Astrid Drewsen, product manager for drivelines at Volvo Trucks. With dual clutches, gear changes take place without any interruption in power delivery. When one gear is selected in one gearbox, the next gear is already prepared in the other. “When driving it feels like you have access to two gearboxes. It is based on I-Shift, but the front half of the gearbox has been redesigned with entirely new components. It is the clutch that determines which of the gears is currently active. I-Shift Dual Clutch is a transmission consisting of two input shafts and a dual clutch, meaning two gears can be selected at the same time. ![]() Due to Smart Actuation, the transmission requires only as much energy as a light bulb. Now, the dual-clutch gearbox has made its way into the trucks segment, with Daimler’s Fuso brand offering the first dual-clutch transmission for this type of vehicle. The dual-clutch transmission for front transverse applications sets standards in efficiency. The 7-speed dual-clutch transmission 7DCT300 is a transmission of third generation with Smart Actuation. Here at Volvo Trucks we are immensely proud to be able to offer this innovation to our customers,” says Claes Nilsson, President of Volvo Trucks. 7-Speed Dual-Clutch Transmission with Smart Actuation. “In situations that require a lot of gear changes, for instance on hilly or windy roads, I-Shift Dual Clutch brings an entirely new dimension to truck driving. For the driver, the result is more comfortable and efficient progress on the road. Thanks to power-shift gear changes torque is maintained without any interruption in power delivery and, as a consequence, the truck does not lose any speed during gear changes. News from Volvo: Volvo Trucks is launching its I-Shift Dual Clutch – the first automated transmission for heavy vehicles with a dual clutch system. Most of the drivers who own a Volkswagen car or truck with a Direct Shift Gearbox (DSG) will not know they have a dual-clutch transmission connected to the.
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