Green and Efficient Fuel-efficientVolvo B9R chassis D9B engine 2009 300x120 BUSES VOLVO B9R The Volvo D9B has been engineered from the outset to provide high fuel efficiency and low particulate emissions. In order to also reduce
emissions of nitrogen oxides to very low levels, it is equipped with SCR (Selective Catalytic Reduction) for treatment of the exhaust gases. Another benefit is that SCR has a positive effect on fuel consumption. Customers who have chosen Volvo buses with SCR have seen fuel consumption improve by as much as in average 9 percent relative to the Euro 3 buses.

Meets Euro 5
Volvo’s latest diesel engine, the Volvo D9B, is equipped with electronically controlled unit injectors and an overhead camshaft, which contributes to low fuel consumption and low emissions. The Volvo D9B meets emission requirements according to Euro 5. The engine is also available in versions that meet the Euro 4 and Euro 3 standards.
Economical driving
The Volvo B9R is equipped with Volvo I-Shift, our automated gearchanging
system which has become such a huge success in both the bus and truck worlds. Volvo I-Shift combines the reliability of the manual gearbox with the automatic transmission’s convenience and smoothness. Thanks to precise gearchanges and low internal frictional losses, Volvo I-Shift contributes to economical driving. What is more, Volvo I-Shift offers quiet and smooth gearchanges. Manual 6-speed gearbox is available as an alternative to I-Shift.
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