It also features Optivision, a new predictive cruise control system with GPS.
“We have been working along three tracks to make our customers even more cost efficient: improve the aerodynamics to reduce fuel consumption; reduce the weight to increase payload; and encourage eco-driving by means of a predictive GPS navigation system,” says Nigel Butler, Renault Trucks UK’s commercial director.
Improved aerodynamics comes courtesy of an optional built-in spoiler under the bumper, introduced after trials with a test Optifuel Lab 2 vehicle, along with a lighter roof deflector.
“This spoiler can better direct the flow of air passing beneath the truck and considerably reduce aerodynamic disturbance, a potential source of increased consumption,” explains Mike Stringer, senior sales engineer.
“Furthermore, the new Range T introduces a new, lighter roof deflector without any metal framework, enabling the truck to penetrate the air more easily.” With these features, says Renault, operators can now save a further 2% in fuel.
Several chassis components have been redesigned or lightened. A new drive axle and improvements in the air suspension, for example, have reduced vehicle weight by several kilos and operators can now have the tractor fitted with an aluminium fifth wheel.
“This adds up to customers being able to increase their payload by as much as 114 kg,” says Stringer.
Renault has also upgraded the DTI 11 and DTI 13 engines to improve fuel consumption and says all comply with the upcoming Euro 6 Step C standard, which will become mandatory on 31 December 2016.
The DTI 13, in particular, now has a common rail injection system. “The system’s reliability and efficiency on the 11-litre in terms of fuel savings convinced us that it would be interesting to also apply it to the 13-litre model,” adds Stringer.
The Optivision system has notable features, beyond that of a typical cruise control function. The system records the route of all trucks equipped with Optivision that have followed a similar itinerary. This means, says Renault, that fuel savings can be achieved the first time a vehicle takes a particular route if another truck using the system has already travelled along it.
With the Fuel Eco+ pack, which combines the Fuel Eco pack (inhibited power mode, eco-cruise control with Optiroll freewheel mode control, disengageable air compressor, variable flow steering pump and automatic engine cut-off) and Optivision, Renault says operators can reduce fuel consumption by 5%.