mm2 屯門公路遊記 (47/50) 平治 重型拖頭 Mercedes Benz Actros LH 44噸 460匹

The Mercedes-Benz Actros is a heavy duty truck introduced by Mercedes-Benz in 1996. It is normally used for long-distance haulage, heavy duty distribution haulage and construction haulage. It is available in weights starting at 18 tonnes[citation needed] and is powered by a V6 or V8 cylinder engine with turbo and intercooler. Mercedes-Benz launched Actros II in 2002.
The second Actros generation comes with an electronic sequential gearbox that Mercedes-Benz has dubbed the "Telligent Gearbox". It pushes forward the principle used in some earlier Mercedes-Benz tractors—using the gearshift lever to command a pneumatically actuated system that changes the gears. The Telligent gearbox utilizes a computer, together with a load-sensing system on the fifth-wheel coupling, to estimate the proper gear that the truck must be in. For example, if you want to upshift, the computer estimates the load on the tractor and the current engine mode, and gives you the proper gear for decreasing engine RPM. On the other hand, if you want to downshift, the computer assumes you wish to overtake, and gives you a proper gear for acceleration.
There's an automatic version, which works like the Tiptronic system found in Mercedes-Benz cars.
he system consists of a small lever mounted under the right armrest and a flat switch underneath. The lever is slightly tilted, so that it matches the natural curve of the driver's hand when it's on the armrest. The lever has two buttons on either side. When at a standstill, the driver must push the left button, then (while holding it), push the lever forward and release it. This always selects second fast. Then the driver could push the lever forward once again to select fourth fast. The current gear is shown as a large number on the main display. After doing this, the driver steps on the clutch pedal and waits for approximately two seconds. After the gearshift has completed, a double click is sounded through the speakers, and the driver proceeds with pulling off as normal.
Once moving, the driver has two choices. He or she may push or pull the lever to let the computer choose the gear for them, or they can use the splitter switch (the small switch under the lever) to pre-select gears. Either way, the gear is selected first, then the clutch is depressed. For example, if you're in fourth fast, pulling the splitter switch up once pre-selects fifth slow.
The right button (known as the 'flush button', as it is flush with the lever) is used to switch to neutral
Since the driver does not directly operate on the gearbox, it significantly reduces the wear and tear on the gearbox itself. The gearbox is fully synchronized, and in some models the computer would even blip the throttle for you for a smoother downshift. Also, it's great for novice drivers, who are not sure of the proper gear.
Drawbacks

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[harrygoozee]

link please.