Hyundai R engine
The Hyundai R engine is a diesel 4-cylinder automobile engine produced by Hyundai Motor Group, it was announced during the Advanced Diesel Engine Technology Symposium in November 2008 and began production in 2009.
The R line of engines feature four cylinders compacted graphite iron block and aluminum cylinder head unit, with chain driven dual overhead camshafts operating four valves per cylinder. Fuel is supplied to the unit using [Robert Robert Bosch GmbH|Bosch GmbH|Bosch] 3rd-generation common rail direct injection through piezoelectric Bosch injectors operating at, with air being fed through an electronically managed variable geometry turbocharger and an advanced engine control unit.
For reduced vibration and lower booming noise, the R gets a lower balancer shaft which is encased in a stiffened ladder frame housing for increased rigidity. Weight saving features include a 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.
2.0 L (D4HA)
The D4HA bore and stroke are for a total displacement of. It generates of power at 4,000 rpm and of torque between 1,750 and 2,750 rpm.Applications
2.2 L (D4HB)
Bore and stroke are for a total displacement of.The D4HB generates of power at 3,800 rpm and of torque between 1,750 and 2,750 rpm. A detuned version that makes of power at 3,800 rpm and of torque between 1,500 and 2,500 rpm is also available.
Applications
- Kia Cadenza
- Hyundai Grandeur
- Hyundai Palisade (LX2)
- Hyundai Santa Fe
- Hyundai Staria
- Kia Carnival
- Kia Sorento
2.2 L FR (D4HC)
Bore and stroke are for a total displacement of.For RWD based applications, the D4HC generates of power and of torque between 1,750 and 2,750 rpm.