ACTROS 4144 PDF

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Engine[ edit ] The Mercedes Benz Actros is equipped with two types of engines. The engine management system employed by this engine is the PLD Pumpe Leitung Duese-German abbr which incorporates single plug-in pumps for each cylinder supplying fuel under pressure up to 1, bar to the injection valves. A control unit MR monitors all engine operating conditions via several sensors and varies the injection pressure to suit each operating condition.

The fourth version offers several engine options in either Euro-5 or Euro In Euro-6 use inline six engine both series OM with 12,8 litre engine range power output HP to HP and OM with 15,6 litre engine range power output HP to HP , with common rail presure bar And Double camshaft with 4 valve per cylinder to compliant models.

Gearbox[ edit ] 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 On the other hand, if you want to downshift, the computer assumes you wish to overtake, and gives you a proper gear for acceleration.

The fourth-version launched in offers exclusively the speed powershift transmission. Operation[ edit ] The system consists of a small lever mounted under the right armrest and a flat switch underneath.

The lever has two buttons on either side. When at a standstill, the driver must push the right button, then while holding it , push the lever forward and release it 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. Instrument Cluster in Actros 3 Cockpit of a Actros 4 The Actros cabs come in four types: S - designed for daily operation and construction vehicles such as cement trucks. The daily cab has its front bumper lower to the ground to prevent under-run, whereas the construction version of the S cab has its front bumper higher to prevent hitting an obstacle when driving off-road on the site.

M - designed for distribution vehicles. It offers a sleeper, though comfort has not been focused on as in the L cab. It comes in short and long sleeper versions. L - Low-roof long-haul cab, providing comfortable driving and rest for the driver. A new solostar concept is available as an option for more comfort when used in a single-driver environment. Electronics[ edit ] Depending on model either Actros 1,2 or 3 the electronics may vary.

This system is very reliable and efficient. The stopping distance in the Actros was drastically reduced as compared to its predecessor the SK. There is a wide range of other electronic features, offered as extras. These include lane assist warns the driver if they inadvertently leave their lane , Autonomous Intelligent Cruise Control ART which engages the brakes if the vehicle in front suddenly stops , side looking radar for warning the driver about a vehicle in their blind spot, and many more, mostly oriented towards safety.

All of them are marketed as "Telligent". SAF operates 19 different version of Actros. This may not be referred to as Actros 4 but it is the New Actros. This is because there were several similarities between Actros 1, 2 and 3. The new Actros has no similarities with its predecessors save for the name. The vehicle now has 2 colour displays touchscreen and infotainment display behind the steering wheel replacing the conventional instrument cluster on old Actros models and can be integrated with Android Auto or Apple CarPlay.

Its outside mirrors were replaced with a camera and it can do semi-automated driving, using Active Drive Assist.

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