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Volvo Introduces World’s Most Powerful Truck

3 February 2006

D16
The new 660hp D16E

Volvo Trucks has introduced the most powerful on-road truck yet, based on a new version of its D16E 16-liter heavy-duty diesel that generates 660 hp (492 kW) and 3,100 Nm of torque. Volvo invested SEK 300 million (US$39 million) in the development of the engine, which meets Euro-4 specifications and is prepared for the upcoming Euro-5 norm.

The introduction comes as more European countries are considering following Sweden and Finland in allowing longer and heavier rigs on the road—ideally to reduce the total number of trucks, thereby reducing traffic volume and aggregate emissions. Two 60-tonne rigs perform the same transport work as three 40-tonne units.

D16graf
Power and torque curves for the new D16E. Volvo also introduced a 580hp version.

To reach power outputs of 660 hp, the D16E has undergone a number of design improvements. The in-line six-cylinder 16.1-liter diesel engine has a new one-piece cylinder head, overhead camshaft, 4 valves per cylinder and electronically controlled unit injectors. The engine is equipped with a new turbocharger and an intercooler. It is quiet in operation, which reduces the need for heat-inducing sound-deadening panels.

Maximum torque from the engine is available over a wide rev range, with 90% of the torque available within 2 seconds of pulling away.

The timing mechanism is located at the rear of the engine, which creates a compact and quiet design and saves weight.

The D16E uses Selective Catalytic Reduction (SCR)with AdBlue as an exhaust aftertreatment to meet the NOx requirements of Euro 4. (Earlier post.)

A new version of Volvo’s I-Shift transmission is designed for a 60-tonne gross combination weight, although the driveline can be optimized to handle gross combination weights above 60 tonnes.

I-Shift is basically a 12-speed electronically controlled mechanical splitter and range-change gearbox designed for automatic gearchanging. The I-Shift gearbox is both shorter and lighter than a conventional splitter gearbox.

February 3, 2006 in Diesel, Europe | Permalink | Comments (1) | TrackBack (0)

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awesome

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