Hyundai U engine

Hyundai U engine
Hyundai U engine
Overview
Manufacturer	Hyundai Motor Group
Production	2004–present
Layout
Configuration	Straight-3 or Straight-4
Displacement	1.1 L (1,120 cc); 1.2 L (1,186 cc); 1.4 L (1,396 cc); 1.5 L (1,493 cc); 1.6 L (1,582 cc); 1.7 L (1,685 cc)
Cylinder bore	75 mm (2.95 in); 77.0 mm (3.03 in); 77.2 mm (3.04 in)
Piston stroke	79 mm (3.11 in); 84.5 mm (3.33 in); 85.8 mm (3.38 in); 90 mm (3.54 in)
Cylinder block material	Cast iron
Cylinder head material	Aluminum
Valvetrain	DOHC 4 valves x cyl.
Compression ratio	17.0:1, 17.3:1
Combustion
Turbocharger	Fixed or variable geometry
Fuel system	Common rail direct injection
Management	Delphi or Bosch
Fuel type	Diesel
Cooling system	Water-cooled
Output
Power output	71–141 PS (52–104 kW; 70–139 hp)
Torque output	15.6–34.7 kg⋅m (153–340 N⋅m; 113–251 lbf⋅ft)
Chronology
Predecessor	Hyundai D engine
Successor	Smartstream D1.5/D1.6

The Hyundai U engine is a series of three or four-cylinder diesel engines made for automotive applications by the Hyundai Kia Automotive Group. The U series of engines includes the smallest automotive diesel engines produced by Hyundai.^[1]

^ "Hyundai Introduces New R-Diesel Engine". Auto Report. 5 November 2008. Archived from the original on 2011-12-20. Retrieved 2012-07-09. The R-Engine brings Hyundai's diesel engine family fully up-to-date as it 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 V6).

[AutoReport2828-1] "Hyundai Introduces New R-Diesel Engine". Auto Report. 5 November 2008. Archived from the original on 2011-12-20. Retrieved 2012-07-09. The R-Engine brings Hyundai's diesel engine family fully up-to-date as it 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 V6).

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