Volvo and Renault used to buy their engines for the distribution trucks at Deutz in Germany. For the new Volvo FL and FE and the new Renault Trucks D-series the engines are now produced in Japan at UD Trucks. UD Trucks. This company, the former Nissan Diesel is fully owned by Volvo since 2007.
The new engines are called the GH5 and GH 7 and they come with four- or six-cilinders. These engines have a capacity of 1,17 liters per cilinder and have a completely new common-rail 
system. Both engines will also be used in Japanese-built UD truck as well as busses. Besides powering 6 to 26 ton Renault and Volvo truck chassis, the new engines will also be used for lighter-duty buses and coaches. The smaller GH5 engine replaces the present four-cylinder Deutz-built diesel engine in Volvo’s B5L parallel hybrid double-deck bus model.
New at Reanult Trucks is the smallest D-series truck, a 3,5 ton distribution truck that is basicly a rebadged Nissan NT500.