Hyundai Shows New R-Engine Diesel

Jose Michael

Rengine
The R-Engine. Click to enlarge.

Hyundai Motor Co. revealed some details of the R-Engine, its newest passenger diesel, during the 8th Advanced Diesel Engine Technology Symposium held at the company’s Namyang R&D Center. The R-Engine will enter production next year and will see its first application on the 2010 Tuscon and Sonata models which are due to be launched in the coming year.

Available in 2.0- and 2.2-liter displacements, the four-cylinder engines deliver 135 kW (181 hp) and 147 kW (197 hp) of power respectively. Torque is 392 Nm (289 lb-ft) and 436 Nm (322 lb-ft) respectively. Hyundai positions the R-Engine as outperforming its German and French competitors.

The R-Engine features a third-generation 1,800-bar piezo-electric common rail system developed by Bosch. It also features an electronic variable geometry turbocharger and an advanced engine control unit (air system-based charge control).

The all-aluminum R-Engine is fitted with a 16-valve dual overhead camshaft which is driven by an internal steel silent timing chain. For reduced vibration and lower booming noise, the R gets a lower balance shaft which has been encased in a stiffened ladder frame housing for increased rigidity. Weight saving features include serpentine belt with isolation pulley, a plastic head cover, plastic intake manifold and plastic oil filter housing.

To achieve Euro-5 emission compliancy, the R is fitted with a close-coupled diesel particulate filter plus highly efficient exhaust gas recirculation with by-pass valve.

The R-Engine joins the U-Engine (1.1-liter, 1.4-liter and 1.6-liter), the A-Engine (2.5-liter) and S-Engine (3.0-liter V-6).

Hyundai invested 250 billion won (US$199 million) in the development of the engine. More than 500 prototype engines were built during the 42 month-long development period.

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