K-Type engine
Overview
Manufacturer	Renault
Production	1995–present
Layout
Configuration	Inline-4
Displacement	1.4 L (1,390 cc) 1.5 L (1,461 cc) 1.6 L (1,598 cc)
Cylinder bore	79.5 mm (3.13 in) 76 mm (2.99 in)
Piston stroke	70 mm (2.76 in) 80.5 mm (3.17 in)
Cylinder block material	Cast iron
Cylinder head material	Aluminium
Valvetrain	SOHC 2 orDOHC 4 valves x cyl.
RPM range
Idle speed	850rpm
Max. engine speed	Petrol: 6000–7000 rpm Diesel: 4500–5000 rpm
Combustion
Turbocharger	BorgWarnerVariable-geometry (on some versions)
Fuel system	Multi-point fuel injection Common railDirect injection
Fuel type	Petrol,Diesel
Cooling system	Water-cooled
Output
Power output	55–99 kW (75–135 PS; 74–133 hp)
Torque output	160–260 N⋅m (118–192 lb⋅ft)
Chronology
Predecessor	Renault Energy engine

TheK-Type is a family of inline-4 automobile engines developed and produced byRenault since 1995. This is an internal combustion engine, four-stroke, with 4 cylinders in line bored directly into the iron block, water cooled, with overhead camshaft(s) driven by a toothed timing belt and an aluminium cylinder head. This engine is available in petrol and diesel versions, with 8 or 16 valves.

The K-Type engine is an evolution of theEnergy engine, itself derived from theCléon-Fonte engine in which a hemispherical head incorporating a camshaft driven by a toothed timing belt was fitted. The K-Type engine is the ultimate evolution of the Cléon-Fonte engine. The main modification of the K-Type engine is the use of non-removablecylinder liners. The first K-Type appeared on theMégane with a capacity of 1.6 L (1,598 cc).^[1]

In 1998, a 16-valve derivative of the K7M engine appeared in theRenault Laguna Phase 2, named the K4M. This new engine replaced the 1.8 litreF-Type engine fitted to the Laguna Phase 1.

The specificity of K4J and K4M engines is that they have a 16-valve cylinder head, similar to the F4P and F4R versions ofF-Type engine, over the K4J and K4M engines share the same distribution kit and even water pump that theF-Type engine 16 valves (F4P and F4R).

TheK9K engine - diesel version with 1.5 L (1,461 cc) - appeared on the Clio 2 Phase 2, to replace the 1.9 D ("F-Type engine"). This engine is equipped with high-pressure direct injection common-rail.

TheKxJdisplaces 1.4 L (1,390 cc). It is an evolution from Renault Energy ExJ.

Starting 2011Dacia replaced the old KxJ withEuro 51.0 (16 valves),1.2 (16 valves) and 1.6-litre engines.^[5]

TheKxM engine has a displacement of 1.6 L (1,598 cc) featuringmulti-point fuel injection andEGR emission control system fitted.

^[9]

Renault K-Type dCi
Overview
Manufacturer	Mercedes-Benz &Renault–Nissan–Mitsubishi Alliance
Also called	1.5 dCi, 1.5 BluedCi (blue has lower emissions than K9K dCi), Mercedes-Benz OM607,Mercedes-Benz OM608 engine
Production	2001–present
Layout
Configuration	Inline-4
Displacement	1.5 L; 89.2 cu in (1,461 cc)
Cylinder bore	76 mm (2.99 in)
Piston stroke	80.5 mm (3.17 in)
Valvetrain	SOHC/2 valves x cyl.
Compression ratio	15.2:1
Combustion
Turbocharger	Yes
Fuel system	Common raildirect injection
Management	Delphi Continental (exSiemens) Bosch
Fuel type	Diesel
Cooling system	Water-cooled
Output
Power output	65–115 PS (48–85 kW; 64–113 hp)
Torque output	160–260 N⋅m (118–192 lb⋅ft)
Chronology
Predecessor	Renault F-Type engine
Successor	Renault R-Type engine

TheK9K is an automobile engine family – a group ofstraight-48-valveturbochargedDiesel engines co-developed byNissan and/orRenault, and alsoDaimler AG (where it is called OM607). The turbochargers used with this engine are provided byGarrett andBorgWarner.^[10] It has a displacement of 1461 cc and is called 1.5dCi (directCommon-railinjection). Fuel injection systems were supplied byDelphi on the lower power level versions (up to 66 kW (90 PS; 89 hp) and byContinental (exSiemens) on the higher power level versions (70 kW (95 PS; 94 hp) and higher). The Delphi injection systems have been replaced withBosch ones in the Euro 5 versions.^{[citation needed]}

There are three versions of this engine: a low power version, a high power version and a high power version withvariable-geometry turbocharger.^[11] Their maximum power output varies depending on theemission standards they meet.

In Euro 3 standards, their power levels are 65 PS (48 kW); 80 PS (59 kW); 100 PS (74 kW).

In Euro 4 standards, their power levels are 70 PS (51 kW); 85 PS (63 kW); 106 PS (78 kW).

In Euro 5 standards, their power levels are 75 PS (55 kW); 90 PS (66 kW); 110 PS (81 kW).^[11] Torque outputs range from 160 to 260 N⋅m (118 to 192 lb⋅ft) at 1,750 rpm.

The engine has been in production since 2001, with over 10 million units sold as of April 2013. Improvements over this period have included coating the tappets to reduce friction by 40%; redesigning the injector spray angle, resulting in a 15% reduction ofNO_x during combustion and a small improvement in torque; and fitting new piston rings, reducing the tension on the belt-driving engine accessories and optimizing the dimensions of the base engine. The injection pattern has been altered to have two pilot injections over a wide operating range, reducing combustion noise by up to 3 decibels. Still newer technology also includes using a variable-pressure oil pump, and adding stop/start battery technology and low-pressure exhaust-gas recirculation. The K9K engine is produced in Bursa, Turkey; Chennai, India; and Valladolid, Spain. Emissions-wise, it emits as little 90 g (3.2 oz)/km of carbon dioxide.^[12]

• Renault R-Type engine
• List of Renault engines
• List of PSA engines
• Nissan HR engine
• Renault–Nissan Alliance

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