in two power outputs configurations and and it was a completely new design similar in the lines of D9 engine introduced a couple of years earlier for FM series. The notable design changes included timing gears being on the flywheel side of the engine (rear-mounted), a design which allows for increased airflow around the engine, more precise injection and valve operation, noise reduction, and manufacturing cost due to flywheel casing being used to house timing gears as well. In 2005 Volvo had increased the available power of D16C to respectively making in it one of the most powerful production truck available. Currently D16E engines are available in Selective Catalytic Reduction at power output 580 hp 640 hp . 2005–2008 FH In 2005 Volvo introduced new design 13 litre unit D13A incorporating the same design features as its 9 and 16 litre engines and available in various power output variants from , 400 hp, 440 hp, to . Initially available to meet Euro III emissions requirements, further improvements will enable the engine to meet or exceed Euro IV and possibly Euro V emissions targets. D13A featured closed-crankcase ventilation and also included a new type of unit injector (UI) E3 from Delphi. As a part of makeover Volvo has also removed its naming scheme and decided to drop engine size in the model name so the models are known from now as FH only. Volvo had also introduced on D13A engine with Selective Catalytic Reduction an improved version of its engine compression brake the "VEB+" featuring additional helper rocker arm and a fourth cam lobe per cylinder. Power outputs available from 360 hp, 400 hp, and . In 2007 Volvo introduced D13B with Exhaust Gas Recirculation configuration and VGT turbocharger but without exhaust particle filter and is the only manufacturer to offer this solution thus far. The engines are available in slightly reduced power output ranging from 360 hp, 400 hp, and and being shared with FM series however option is only available for FH series. 2008–2012 FH and FH16 Mk.III In August 2008, Volvo launched an upgrade to the FH series with the main emphasis on driver comfort and usability, among features listed are windscreen wipers controlled by a rain sensor, cornering lights for better visibility when turning, powerful audio system with USB aux and MP3 inputs as well as a swiveling passenger seat. Completely redesigned grill, steps, sun visor, and