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Toyota K CVT transmission

January 06, 2023

The Toyota K CVT transmission is a series of continuously variable transmissions (CVT) found in many Toyota automobiles. The transmissions are manufactured by Aisin, a automotive parts manufacturer that is part of the Toyota Group of companies. A CVT is a type of automatic transmission that can change seamlessly through a continuous range of gear ratios. This contrasts with other transmissions that provide a limited number of gear ratios in fixed steps. The K series uses two pulleys connected by a belt.

Toyota K CVT transmission
Overview
ManufacturerAisin
Also calledSuper CVT-i
Production2000 - present

K110/K111/K112 series (2000)

K110

The K110 was Toyota's first belt-type CVT and production began in August 2000. Toyota said that the transmission was both fuel-efficient and offered high driving performance. The K110 features a torque converter with a long-travel damper to help achieve quiet operation and improved fuel efficiency.

Applications:

K111

The K111 transmission is an improved version of K110 introduced in July 2004. The K111 adds neutral-gear control and acceleration linear control.

Applications:

K112

The K112 transmission, introduced in October 2005, is a modified version of the K111 that is built to work with higher displacement 2.4L engines.

Applications:

K114

Applications:

K120 "Direct Shift" transmission (2018)

Toyota brands the K120 as the “Direct Shift” CVT and includes a physical first gear (also known as a "launch gear") and nine additional simulated gears, for a total of 10. The launch gear is engaged when the car takes off from being stopped and transitions to the belt drive once the car picks up speed. The benefit of this system is that traditional CVTs tend to have low efficiency in lower gear ratios (creating a moment of sluggishness when starting from a stop).[2] Since the belts in this CVT are handling a more narrow band of gear ratios, belt angles and loads can be reduced, increasing shift speeds and offering a claimed 6% improvement in fuel efficiency.[3] Production began in October 2018.

Applications:

K210 transmission (2002)

Achieve both high fuel efficiency and high powertrain performance through size and weight reductions and are perfect suited for vehicles in the 1.5- to 1.8-liter class. Production began December 2002. Later in February 2003 Toyota achieves fuel efficiency improvements through its Intelligent Idling Stop System developed by adding an electronic oil pump to the K210 belt-type CVT, ensuring excellent startup performance during engine restarts and producing class-leading fuel efficiency.

Applications:

K310/K311/K312/K313 series (2006)

Achieve both high fuel efficiency and high powertrain performance through size and weight reductions and are suitable for vehicles in the 1.5- to 1.8-liter class. Production began in September 2006.

Current applications:

Previous applications:

Low O/D Rev
2.386 0.411 2.505

Final drive:

  • 5.698:1 (when fitted to 1.5L Allion & Premio 1NZ-FE and 1.8L Corolla 2ZR-FE)
  • 5.356:1 (when fitted to 1.8L Allion & Premio 2ZR-FE)

K410/K411/K41 series (2004)

K410

Achieves both high fuel efficiency and high powertrain performance through size and weight reductions. Designed for vehicles with engine displacements between 1- and 1.3-liters. Production began December 2004.

Applications:

Low O/D Rev
2.4 0.43 2.505

Final drive:

  • 5.833:1 (when fitted to 1L 1KR-FE)
  • 5.08:1 (when fitted to 1.3L 1NR-FE)

K41A

A version of the K410 transmission with the differential shifted forward to maximize space the Toyota iQ, a compact city car that was engineered to maximize passenger space, while minimizing exterior length. Production began October 2008.

Applications:

K41B

Created by increasing the capacity of the K41A CVT, for 1.3-liter engines. Production began April 2009.

Applications:

K411

Based on the K410 and adopting a flex-start control mechanism for the first time in a Toyota CVT; Lock-up clutch actively activated during startup to run the engine in the most efficient operating region, thereby improving fuel efficiency. Production began December 2010.

Applications:

  • Several models including Corolla, Auris, Vitz, Vios, Yaris, and Echo

See also

  • Toyota Drivetrain technical development

References

  1. ^ "Toyota CH-R Service Manual - System Description - Continuously Variable Transaxle System".
  2. ^ Zatz, David (2018-03-23). "Toyota's quiet transmission changes". Retrieved 2020-09-17.
  3. ^ "Direct Shift-CVT: A New Type of Continuously Variable Transmission". Toyota Motor Corporation Official Global Website (Press release). 2018-02-26. Retrieved 2020-09-17.

January 06, 2023
toyota, transmission, this, article, relies, largely, entirely, single, source, please, help, improve, this, article, introducing, citations, additional, sources, find, sources, news, newspapers, books, scholar, jstor, april, 2019, series, continuously, variab. This article relies largely or entirely on a single source Please help improve this article by introducing citations to additional sources Find sources Toyota K CVT transmission news newspapers books scholar JSTOR April 2019 The Toyota K CVT transmission is a series of continuously variable transmissions CVT found in many Toyota automobiles The transmissions are manufactured by Aisin a automotive parts manufacturer that is part of the Toyota Group of companies A CVT is a type of automatic transmission that can change seamlessly through a continuous range of gear ratios This contrasts with other transmissions that provide a limited number of gear ratios in fixed steps The K series uses two pulleys connected by a belt Toyota K CVT transmissionOverviewManufacturerAisinAlso calledSuper CVT iProduction2000 present Contents 1 K110 K111 K112 series 2000 1 1 K110 1 2 K111 1 3 K112 1 4 K114 2 K120 Direct Shift transmission 2018 3 K210 transmission 2002 4 K310 K311 K312 K313 series 2006 5 K410 K411 K41 series 2004 5 1 K410 5 2 K41A 5 3 K41B 5 4 K411 6 See also 7 ReferencesK110 K111 K112 series 2000 EditK110 Edit The K110 was Toyota s first belt type CVT and production began in August 2000 Toyota said that the transmission was both fuel efficient and offered high driving performance The K110 features a torque converter with a long travel damper to help achieve quiet operation and improved fuel efficiency Applications Toyota Opa 2 0L 2000 2005 Toyota Allion Premio Wish 2 0L 2001 2011 Toyota Voxy 2 0L 2007 2011 Toyota Auris amp Corolla Axio Fielder Toyota Ractis amp Sienta Toyota VitzK111 Edit The K111 transmission is an improved version of K110 introduced in July 2004 The K111 adds neutral gear control and acceleration linear control Applications Toyota Noah Voxy 2 0L 2004 2007 Toyota Corolla E140 Altis 2 0L ZRE143 2010 2014 K112 Edit The K112 transmission introduced in October 2005 is a modified version of the K111 that is built to work with higher displacement 2 4L engines Applications Toyota Alphard 2 4L 2008 2017 Toyota Blade 2 4L 2006 2011 Toyota Estima 2 4L 2006 2017 Toyota Mark X Zio 2 4L 2007 2011 Toyota RAV4 2 0 2 4 2 5L 2005 2011 Toyota Vanguard 2 4L 2007 2011 Toyota OpaK114 Edit Applications Toyota C HR IZOA 2 0L 2018 present 1 K120 Direct Shift transmission 2018 EditToyota brands the K120 as the Direct Shift CVT and includes a physical first gear also known as a launch gear and nine additional simulated gears for a total of 10 The launch gear is engaged when the car takes off from being stopped and transitions to the belt drive once the car picks up speed The benefit of this system is that traditional CVTs tend to have low efficiency in lower gear ratios creating a moment of sluggishness when starting from a stop 2 Since the belts in this CVT are handling a more narrow band of gear ratios belt angles and loads can be reduced increasing shift speeds and offering a claimed 6 improvement in fuel efficiency 3 Production began in October 2018 Applications Toyota Yaris XP210 and Yaris Cross 2020 present Toyota Corolla Auris Allion Levin GT E210 2 0L 2018 present Toyota Camry XV70 2 0L 2019 present Toyota Avalon XX50 2 0L 2019 present Toyota Corolla Cross 2 0L 2021 present Toyota Innova Kijang Innova Zenix 2022 present Toyota RAV4 XA50 Wildlander 2 0L 2018 present Toyota Harrier XU80 2 0L 2021 present Lexus ES 200 2020 present Lexus UX 200 2018 present K210 transmission 2002 EditAchieve both high fuel efficiency and high powertrain performance through size and weight reductions and are perfect suited for vehicles in the 1 5 to 1 8 liter class Production began December 2002 Later in February 2003 Toyota achieves fuel efficiency improvements through its Intelligent Idling Stop System developed by adding an electronic oil pump to the K210 belt type CVT ensuring excellent startup performance during engine restarts and producing class leading fuel efficiency Applications Toyota Vitz Toyota RactisK310 K311 K312 K313 series 2006 EditAchieve both high fuel efficiency and high powertrain performance through size and weight reductions and are suitable for vehicles in the 1 5 to 1 8 liter class Production began in September 2006 Current applications Toyota Corolla K311 Altis 1 8L 2010 present Toyota Corolla Cross K311 1 8L 2020 present Toyota C HR K312 1 2L 2017 present Toyota Vios K312 1 5L 2016 present Toyota Yaris K312 1 5L 2016 present Toyota Sienta K313 1 5L 2015 present Previous applications Toyota Auris Corolla Rumion 1 5 1 8L 2006 2011 Toyota Allion Premio 1 5 1 8L IST 1 5L 2007 2011 Toyota Avensis 1 8 2 0L 2008 2011 Toyota Isis Verso K311 Wish 1 8L 2009 2011 Toyota Probox Succeed 1 5L 2010 2011 Low O D Rev2 386 0 411 2 505Final drive 5 698 1 when fitted to 1 5L Allion amp Premio 1NZ FE and 1 8L Corolla 2ZR FE 5 356 1 when fitted to 1 8L Allion amp Premio 2ZR FE K410 K411 K41 series 2004 EditK410 Edit Achieves both high fuel efficiency and high powertrain performance through size and weight reductions Designed for vehicles with engine displacements between 1 and 1 3 liters Production began December 2004 Applications Toyota Belta Toyota Vitz Several other modelsLow O D Rev2 4 0 43 2 505Final drive 5 833 1 when fitted to 1L 1KR FE 5 08 1 when fitted to 1 3L 1NR FE K41A Edit A version of the K410 transmission with the differential shifted forward to maximize space the Toyota iQ a compact city car that was engineered to maximize passenger space while minimizing exterior length Production began October 2008 Applications Toyota iQK41B Edit Created by increasing the capacity of the K41A CVT for 1 3 liter engines Production began April 2009 Applications Toyota iQK411 Edit Based on the K410 and adopting a flex start control mechanism for the first time in a Toyota CVT Lock up clutch actively activated during startup to run the engine in the most efficient operating region thereby improving fuel efficiency Production began December 2010 Applications Several models including Corolla Auris Vitz Vios Yaris and EchoSee also EditToyota Drivetrain technical developmentReferences Edit Toyota CH R Service Manual System Description Continuously Variable Transaxle System Zatz David 2018 03 23 Toyota s quiet transmission changes Retrieved 2020 09 17 Direct Shift CVT A New Type of Continuously Variable Transmission Toyota Motor Corporation Official Global Website Press release 2018 02 26 Retrieved 2020 09 17 Retrieved from https en wikipedia org w index php title Toyota K CVT transmission amp oldid 1123933501, wikipedia, wiki, book, books, library,

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