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2018 Mercedes Arocs Truck TRC & HAD – Video

2018 Mercedes Arocs Truck TRC & HAD – Video

The Arocs range culminates in a spectacular heavy-duty tractor unit. A gross vehicle combination weight of up to 250 t, three, four and with a dock axle as many as five axles, two driven axles or all-wheel drive, an engine as strong as an ox with an output of up to 460 kW (625 hp) and 3000 Nm of torque, 16 finely graduated gears of the Mercedes PowerShift transmission – the Mercedes-Benz Actros SLT and Arocs SLT heavy-duty tractor units boast spectacular performance data.

The tailor-made concept for the SLT includes the turbo retarder clutch (TRC) combining hydraulic start-off clutch and retarder in a joint component. The TRC facilitates sensitive moving off and manoeuvring even at the lowest of speeds and as a primary retarder generates 350 kW (476 hp) of braking power. Together with the High Performance Engine Brake generating an output of up to 475 kW (646 hp), the TRC offers the ultimate in safety. The radiator, hydraulic system, the fuel tank with a capacity of 900 litres, the compressed-air chamber and further components are housed in the elegantly trimmed rear cooling tower.

The diverse SLT model variants break down into the two model series Arocs SLT and Actros SLT. The steel-sprung Arocs SLT based on the particularly robust Arocs Grounder is also available with the BigSpace cab as well as the StreamSpace cab measuring 2.3 m in width. The air-sprung Actros SLT is available with the spacious GigaSpace and BigSpace cabs measuring 2.5 m in width. As a high-tech heavy-duty tractor unit, the SLT is designed for a gross vehicle combination weight of up to 250 t. For the construction industry the focus is on it as a semi-heavy-duty tractor/trailer combination for transporting heavy construction machinery. In this case the additional radiator system and optionally also the TRC can be dispensed with. The permissible gross vehicle combination is up to 120 t, or up to a maximum of 155 t with certain restrictions.

 

https://www.youtube.com/watch?v=bm4YnHazaTA

https://www.youtube.com/watch?v=KcrEhNbhM7k

 

For off-road use Mercedes-Benz offers different all-wheel drive variants. If the payload and fuel consumption are to the fore, the engageable all-wheel drive is the right choice. If maximum traction is called for, the solution is permanent all-wheel drive plus a low-range ratio.

The third variant, the “Hydraulic Auxiliary Drive” (HAD), has caused a sensation in the sector. With engageable wheel hub motors at the front axle HAD covers road-oriented use with occasionally increased traction requirements. With HAD the Arocs reveals itself to be a true all-rounder. The driver engages HAD by pressing a button. The necessary slip-sensitive power transmission is then efficiently and steplessly controlled.

The advantages of the hydraulic drive are the comparatively low added weight, benefits in terms of fuel consumption and emissions, and great versatility in configuring the vehicle. In the case of Mercedes-Benz, these qualities are complemented by maintenance-free design, low fuel consumption with activated hydrostatic drive and, above all, the combination with the Mercedes PowerShift transmission. The Arocs HAD sets benchmarks in its segment: it is powerful, lighter than an all-wheel-drive model, easy to operate, maintenance-free and has a long service life. It lowers fuel consumption and consequently protects the environment as the result of low emissions.

The Arocs also offers new options in the area of the suspension and powertrain. The electrically supported Servotwin steering is now also available for the four-axle Arocs 8×4 and for other wheelbases, for example. The engageable hydraulic starting-off aid HAD (Hydraulic Auxiliary Drive) can additionally be used on semitrailer tractor variants with 3300 mm wheelbase for transporting hazardous goods. New options for the Arocs with HAD are the 320 mm engine tunnel for L cabs and a cover to provide protection from bulk goods in conjunction with the M cab.

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