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Renault K-Type engine

The K-Type is a family of inline-4 automobile engines developed and produced by Renault since 1995. This is an internal combustion engine, four-stroke, with 4 cylinders in line bored directly into the iron block, water cooled, with tree (s) driven overhead camshafts 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.

K-Type engine
Overview
ManufacturerRenault
Production1995–present
Layout
ConfigurationInline-4
Displacement1.4 L (1,390 cc)
1.5 L (1,461 cc)
1.6 L (1,598 cc)
Cylinder bore79.5 mm (3.13 in)
76 mm (2.99 in)
Piston stroke70 mm (2.76 in)
80.5 mm (3.17 in)
Cylinder block materialCast iron
Cylinder head materialAluminium
ValvetrainSOHC 2 or DOHC 4 valves x cyl.
RPM range
Idle speed850 rpm
Max. engine speed6750 rpm (max : 7000 rpm)
Combustion
TurbochargerBorgWarner Variable-geometry (on some versions)
Fuel systemMulti-point fuel injection
Common rail Direct injection
Fuel typePetrol, Diesel
Cooling systemWater-cooled
Output
Power output55–99 kW (75–135 PS; 74–133 hp)
Torque output160–260 N⋅m (118–192 lb⋅ft)
Chronology
PredecessorRenault Energy engine

History

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The K-Type engine is an evolution of the Energy engine, itself derived from the Cléon-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-removable cylinder liners. The first K-Type appeared on the Mégane with a capacity of 1.6 L (1,598 cc).[1]

Evolution

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Gasoline versions

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In 1998, a 16-valve derivative of the K7M engine appeared in the Renault Laguna Phase 2, named the K4M. This new engine replaced the 1.8 litre F-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 of F-Type engine, over the K4J and K4M engines share the same distribution kit and even water pump that the F-Type engine 16 valves (F4P and F4R).

Diesel versions

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The K9K 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.

KxJ petrol engine

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

Technical specifications
Displacement 1.4 L (1,390 cc)
Bore x Stroke 79.5 mm × 70 mm (3.13 in × 2.76 in)[2]
Total number of valves 8/16
Compression ratio 9.5:1 / 10:1
Max. power 55 kW (75 PS; 74 hp) / 72 kW (98 PS; 97 hp)
Type of fuel injection MPi
Fuel type petrol
Catalytic converter present
Oil capacity 3.5 L (3.7 US qt; 3.1 imp qt)
Recommended engine oil 5w30[3]

Applications (K7J 8v)

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Engine code Power Year(s) Car(s)
K7J 700 55 kW (75 PS; 74 hp) 5500 rpm 1997–2003 Renault Clio
Renault Kangoo

Renault Symbol

K7J 710 2004–2010
2008–2010		 Dacia Logan
Dacia Sandero[4]
K7J 714 (LPG E4) 2007–2010
2008–2010

Starting 2011 Dacia replaced the old KxJ with Euro 5 1.0 (16 valves), 1.2 (16 valves) and 1.6-litre engines.[5]

Applications (K4J 16v)

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Engine code Power Year(s) Car(s)
K4J 700/714/750 70 to 72 kW (95 to 98 PS; 94 to 97 hp)
at 6000 rpm		 1999–2008 Renault Clio II
Renault Mégane
Renault Scénic
Renault Scénic II
K4J 730/732/740 60 to 72 kW (82 to 98 PS; 80 to 97 hp)
at 6000 rpm		 2003–2010 Renault Mégane II
Renault Scénic II
K4J 712/713 70 kW (95 PS; 94 hp) at 6000 rpm Renault Clio II
Renault Thalia II
K4J 770/780 72 kW (98 PS; 97 hp) at 6000 rpm 2004–2010 Renault Clio III
Renault Modus
Renault Grand Modus
K4J 730 1999–2003 Renault Scénic (I)

KxM petrol engine

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The KxM engine has a displacement of 1.6 L (1,598 cc) featuring multi-point fuel injection and EGR emission control system fitted.

Technical specifications
Displacement 1.6 L (1,598 cc)
Bore x Stroke 79.5 mm × 80.5 mm (3.13 in × 3.17 in)[3]
Total number of valves 8/16
Max. power 55–66 kW (75–90 PS; 74–89 hp)/ 70–85 kW (95–116 PS; 94–114 hp)
Type of fuel injection MPi
Fuel type petrol
Catalytic converter present
Oil capacity 4.5 L (4.8 US qt; 4.0 imp qt)
Recommended engine oil 5w30[3]

Applications (K7M 8v)

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Engine code Power Year(s) Car(s)
K7M 410 (E4) 64 kW (87 PS; 86 hp) 5500 rpm 2012– Lada Largus
K7M 702/703 66 kW (90 PS; 89 hp) 5000 rpm 1995–1999 Renault Mégane
Renault Scénic
K7M 720 55 kW (75 PS; 74 hp) 5000 rpm 1995–1999 Renault Mégane
Renault Scénic
K7M 790 66 kW (90 PS; 89 hp) 5000 rpm 1996–1999 Renault Mégane
K7M 744/745 66 kW (90 PS; 89 hp) 5250 rpm 1998–2003 Renault Clio II
K7M 710 64 kW (87 PS; 86 hp) 5500 rpm 2004–2010
2008–2010		 Dacia Logan
Dacia Sandero[4]
K7M 718 (LPG E4) 64 kW (87 PS; 86 hp) 5500 rpm 2007–2010
2008–2010		 Dacia Logan
Dacia Sandero
K7M 764 (Flex-fuel) 73 kW (99 PS; 98 hp) 5500 rpm 2013– Dacia Logan
Dacia Sandero
K7M 800 62 kW (84 PS; 83 hp) 5250 rpm 2011– Dacia Logan
Dacia Sandero
K7M 812 60 kW (82 PS; 80 hp) 5000 rpm 2012– Dacia Lodgy
Dacia Dokker
K7M 818 (LPG E5) 64 kW (87 PS; 86 hp) 5500 rpm 2011–2012 Dacia Logan
Dacia Sandero
K7M 828 (LPG E5b) 60 kW (82 PS; 80 hp) 5000 rpm 2014– Dacia Lodgy
Dacia Dokker

Applications (K4M 16v)

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Engine code Power Year(s) Car(s)
K4M 490 77 kW (105 PS; 103 hp) 5750 rpm 2012– Lada Largus
K4M 69x 66 to 77 kW (90 to 105 PS; 89 to 103 hp)
at 5750 rpm		 2006– Renault Kangoo II
Dacia Logan
Secma F16
K4M 606 (4x4) 77 kW (105 PS; 103 hp) at 5750 rpm 2010–2013 Dacia Duster
K4M 616 (LPG E5) 2011–2013
K4M 642 (LPG E5b) 2014–
K4M 646 (4x4)
K4M 696 (Hi-flex) 2010–2012 Dacia Duster
Dacia Logan
Dacia Sandero
K4M 70x 71 to 81 kW (97 to 110 PS; 95 to 109 hp)
at 5750 rpm		 1999– Renault Mégane
Renault Scénic
Renault Clio II
Renault Kangoo
Renault Kangoo II
Renault Laguna I
K4M 710 81 kW (110 PS; 109 hp) at 5750 rpm 2001–2005 Renault Laguna (II)
K4M 716 86 kW (117 PS; 115 hp) at 5750 rpm 2006–2007 Renault Laguna (II)
K4M 72x 81 kW (110 PS; 109 hp) at 5750 rpm 1998–2001 Renault Laguna
K4M 782 90 kW (122 PS; 121 hp) at 5500 rpm 2003–2009 Renault Scénic (II)[6]
K4M 788 79 kW (107 PS; 106 hp) at 5750 rpm 2002–2008 Renault Mégane (II)[7]
K4M 812/813/858 86 kW (117 PS; 115 hp) at 6000 rpm 2001– Renault Mégane (II) (III)[8]
K4M 856 (flexfuel) 77 kW (105 PS; 103 hp) at 5750 rpm 2001–2009 Renault Mégane Eco 2 (flexfuel) (II)
K4M 824 81 kW (110 PS; 109 hp) at 6000 rpm 2007–2010 Renault Laguna (III)
K4M 838 82 kW (111 PS; 110 hp) at 6000 rpm 2010–2016 Renault Fluence
K4M 848 74 kW (101 PS; 99 hp) at 5500 rpm 2008– Renault Mégane (III)
K4M RS (or 854) 99 kW (135 PS; 133 hp) at 6750 rpm Renault Twingo RS
Renault Wind
K4M 862 94 kW (128 PS; 126 hp) at 6750 rpm 2009–2011 Renault Clio GT (III)

[9]

K9K dCi

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Renault K-Type dCi
 
Overview
ManufacturerMercedes-Benz & Renault–Nissan–Mitsubishi Alliance
Also called1.5 dCi, 1.5 BluedCi (blue has lower emissions than K9K dCi), Mercedes-Benz OM607, Mercedes-Benz OM608 engine
Production2001–present
Layout
ConfigurationInline-4
Displacement1.5 L; 89.2 cu in (1,461 cc)
Cylinder bore76 mm (2.99 in)
Piston stroke80.5 mm (3.17 in)
ValvetrainSOHC/2 valves x cyl.
Compression ratio15.2:1
Combustion
TurbochargerYes
Fuel systemCommon rail direct injection
ManagementDelphi
Continental (ex Siemens)
Bosch
Fuel typeDiesel
Cooling systemWater-cooled
Output
Power output65–115 PS (48–85 kW; 64–113 hp)
Torque output160–260 N⋅m (118–192 lb⋅ft)
Chronology
PredecessorRenault F-Type engine
SuccessorRenault R-Type engine

The K9K is an automobile engine family – a group of straight-4 8-valve turbocharged Diesel engines co-developed by Nissan and/or Renault, and also Daimler AG (where it is called OM607). The turbochargers used with this engine are provided by Garrett and BorgWarner.[10] It has a displacement of 1461 cc and is called 1.5 dCi (direct Common-rail injection). Fuel injection systems were supplied by Delphi on the lower power level versions (up to 66 kW (90 PS; 89 hp) and by Continental (ex Siemens) on the higher power level versions (70 kW (95 PS; 94 hp) and higher). The Delphi injection systems have been replaced with Bosch 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 with variable-geometry turbocharger.[11] Their maximum power output varies depending on the emission 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 of NOx 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]

Applications

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Engine code Power
metric hp/kW		 Year(s) Car(s)
K9K 700 / 704 / 706 65 hp (48 kW) - Dacia Logan
Renault Clio (II); Renault Kangoo; Renault Thalia; Renault Pulse (India)
Suzuki Jimny
Nissan Micra (III, IV)
Mahindra Verito
Mahindra Verito Vibe
K9K 712 / 714 68 hp (50 kW) 2006-2008 Renault Clio (II); Renault Thalia
K9K 792 68–75 hp (50–55 kW) - Dacia Logan
Dacia Sandero
Renault Clio (II)
K9K 260 / 702 / 710 / 722 82 hp (60 kW) - Renault Mégane (II); Renault Clio (II); Renault Thalia; Renault Kangoo; Renault Scénic (II)
Nissan Micra (III); Nissan Almera
K9K 266 86 hp (63 kW) 2006-2011 Suzuki Jimny
K9K 728 / 766 / 772 / 796 / 802 / 830 85–86 hp (63–63 kW) 2005-201? Renault Mégane (II); Renault Modus; Renault Clio (III); Renault Scala (India); Renault Mégane (III)[13]
Dacia Sandero
Nissan Micra (III); Nissan Sunny (India)
K9K 764 / 732(282) 106 hp (78 kW) 2005-2010 Renault Clio (III); Renault Modus; Renault Mégane (II); Renault Scénic (II); Renault Kangoo;
Nissan Tiida; Nissan Note (I); Nissan Qashqai; Renault Mégane (II)
K9K G8 / 832 106 hp (78 kW) 2009– Renault Mégane (III); Renault Scénic (III); Renault Fluence
Nissan Cube; Nissan Qashqai
K9K 836/(837 automatic gearbox) / 636 110 hp (81 kW) 2010– Renault Mégane (III); Renault Laguna
Nissan Cube; Nissan Qashqai
K9K 770 / 892 75–90 hp (55–66 kW) 2010– Dacia Logan;[14] Dacia Sandero[15]
Renault Clio (III), Renault Fluence
Nissan Note (I); Nissan NV200
K9K 896 / 656 110 hp (81 kW) 2011– Dacia Duster; Renault Fluence (India)
Nissan Juke; Nissan NV200
K9K 846 / OM 607 DE 15 LA 110 hp (81 kW) 2012– Dacia Lodgy[16]
Renault Mégane (IV); Renault Kadjar; Renault Scénic (IV)
Mercedes-Benz A-Class; Mercedes-Benz B-Class; Mercedes-Benz CLA-Class; Mercedes-Benz Citan (as "OM607")
Infiniti Q30
K9K 608 / 609 / OM 607 DE 15 LA 90 hp (66 kW) 2013– Renault Clio; Renault Captur

Nissan Note (E12); Nissan Micra (V)
Mercedes-Benz A-Class; Mercedes-Benz B-Class (as A/B 160 CDI "OM607")

K9K 628 90 hp (66 kW) 2016– Renault Clio
K9K 647 110 hp (81 kW) 2015– Renault Talisman, Renault Kadjar
K9K 500 (Hybrid Assist) 110 hp (81 kW) 2017– Renault Scénic (IV);
K9K 872 / 873 / 874 (BlueDCi) 95–115 hp (70–85 kW) 2018– Dacia Dokker; Dacia Duster (II); Dacia Lodgy; Dacia Logan (II); Dacia Sandero (II)
Nissan Qashqai (J11)
Renault Captur (II); Renault Kadjar; Renault Kangoo; (II); Renault Mégane (IV)

See also

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References

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  1. ^ « Cléon - Association RENAULT HISTOIRE » Association Renault Histoire
  2. ^ "Renault Clio 2 Specs" (PDF). Retrieved 2012-07-31.
  3. ^ a b c "Renault Clio II Specs" (PDF). Retrieved 2012-07-25.
  4. ^ a b "Dp_Sandero_Gb.Pdf" (PDF). Archived from the original (PDF) on 2012-10-04. Retrieved 2012-01-23.
  5. ^ "Dacia will respect the Euro 5 standards". Dacianews.com. 2010-11-21. Retrieved 2012-01-23.
  6. ^ "Scenic 2 Technical Details" (PDF). Archived from the original (PDF) on 2013-11-05. Retrieved 2012-03-08.
  7. ^ "Megane 2 Technical Details" (PDF). Archived from the original (PDF) on 2013-11-05. Retrieved 2012-03-08.
  8. ^ "Megane 3 Technical Details" (PDF). Archived from the original (PDF) on 2012-10-02. Retrieved 2012-03-08.
  9. ^ "Renault service catalogue" (PDF). Retrieved 2013-04-22.
  10. ^ "dCi launch" (PDF). renault.com. Archived from the original (PDF) on 2013-11-05. Retrieved 2012-07-30.
  11. ^ a b "Renault Powertrain : Powertrain units of our range". Archived from the original on 2014-02-24. Retrieved 2014-02-21.
  12. ^ "Renault's Latest K9K Diesel Cuts Costs, Not Corners". wardsauto.com. 12 June 2012. Retrieved 2017-01-20.
  13. ^ "Caract_tech_K95_GB_DEF" (PDF). Archived from the original (PDF) on 2012-10-02. Retrieved 2012-01-23.
  14. ^ "Dacia Logan Technical Details". Dacia.ro. 2010-02-03. Archived from the original on 2012-09-08. Retrieved 2012-01-23.
  15. ^ "Dacia Sandero Technical Details". Dacia.ro. 2010-02-03. Archived from the original on 2012-09-04. Retrieved 2012-01-23.
  16. ^ "Dacia Lodgy Technical Details". Dacia.ro. 2012-03-07. Retrieved 2012-03-07.
 
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