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Transmission News & Insights

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DCTs

April 7, 2015

New DCTs from Getrag and Kia

With industry interest in dual clutch transmissions running at a high level following the announcement of Volkswagen’s upcoming ten-speed DSG and Honda’s torque converter-equipped eight-speed, leading independent [...]


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DCTs

February 27, 2015

Volkswagen's New European Passat Features 7-speed DCT

Volkswagen’s new-generation Passat – the eighth edition of the family-sized model in its 41-year history – incorporates the latest in the Volkswagen group’s transmission technology, including for the first time a [...]


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DCTs

January 30, 2015

9G Tronic: State of the Art

The several hundred components of Mercedes’ state of the art 9G Tronic automatic transmission “assemble just like a Christmas tree,” claims Dr. Christoph Doerr, senior project manager at Daimler AG in Stuttgart, [...]


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PLANETARIES

December 11, 2014

New DCTs Aim to Restore Appeal

Honda and Volkswagen have fired the opening salvos in a gearbox war which aims to restore the customer appeal of dual clutch transmissions. This move is especially timely in North America, where a new generation of [...]


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Transmissions

October 15, 2014

ZF Unveils TraXon Modules

Hybrid and dual clutch transmission modules are now offered to the heavy truck sector as options with ZF’s TraXon modular platform. In addition to the conventional torque converter and dry clutch modules, this basic, [...]


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DCTs

August 7, 2014

Volvo DCT 1st in Heavy Sector

It has long been argued that the dual clutch gearbox, with its ability to power-shift under load and avoid interruptions in tractive torque, is ideally suited to the operating profile of a heavy truck. These weighty vehicles [...]


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MANUALS AND AMTs

June 23, 2014

MTF: Is Thinner Really Better?

Despite the trend toward automatics, manual transmissions in passenger cars are here to stay, says Lubrizol’s Gareth Brown: “Although the market share is diminishing, the manual transmission is still a key technology, [...]


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Transmissions

May 9, 2014

China & Korea Oil Change Survey

As the worldwide market for passenger cars, components and services becomes increasingly globalized, manufacturers and suppliers face more than just the technical challenges of engineering their systems for such a broad [...]


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CVTs

February 25, 2014

DCTs Get Smarter: Wet Clutch Gains Ground

With the right engine and transmission combination, lighter cars will not need hybrid power to meet Europe’s 2020 CO2 targets, says Getrag’s chief technology officer in the second part of our wide-ranging [...]


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DCTs

January 22, 2014

New Aisin Transmission for BMW

New-generation Minis and future BMWs with front-wheel drive will all use automatic transmissions from Aisin AW, according to a leading engineer from the German luxury car manufacturer. Presenting a paper on BMW’s latest [...]


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MANUALS AND AMTs

January 22, 2014

BMW Tourer’s Gearshift Assistant

BMW is claiming a world first for the gearshift mechanism on its latest R1200 RT, the tourer version of its iconic boxer-engined motorcycle. Although it shares the same designation and overall layout as its highly respected [...]


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DCTs

November 14, 2013

DCT vs. Automatic: How Do They Rate?

DrivelineNews.com speaks to Didier Lexa, chief technology officer of leading transmissions supplier Getrag. In this first excerpt, he explains to Tony Lewin how DCTs can match planetary automatics for comfort, and how they [...]


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CVTs

November 14, 2013

Accord Hybrid: Motors Replace Entire Transmission

Many people are of the opinion that hybridization is making vehicles, especially their transmission and control systems, more and more complicated – often to the point where the engineering is hard to understand. While [...]


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DCTs

October 10, 2013

Daimler’s 9G-Tronic Is State of the Art

The suspicion that Daimler was developing a nine-speed planetary automatic for its large rear-wheel drive cars has been an open secret in the auto industry for some time. The only surprise was that Daimler chose to give the [...]


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DCTs

October 10, 2013

Wet DCT Set to Displace Dry in Expanding Market

Automatic transmissions are beginning to overtake manuals due to the accelerating trend toward automation, says Mihir Kotecha, CEO of leading independent transmission manufacturer Getrag. “Manuals are now seen as niche [...]


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MANUALS AND AMTs

August 29, 2013

The Synchronized Manual Transmission -- Defined

Synchronized manual transmissions are widely used globally in both commercial vehicles and passenger cars, although they are less common in North America. These transmissions contain a complex array of components and [...]


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MANUALS AND AMTs

August 29, 2013

Bosch e-Clutch Allows Engine-off Coasting to Save Fuel

Presented in conjunction with a host of other driveline developments at a June media briefing in Germany, Bosch has been working on an electrically-operated clutch which will enable manual transmission cars to offer greater [...]


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DCTs

August 29, 2013

Downsized Transmission for New GM 3-Cylinder Turbo

General Motors’ overhaul of its small-displacement powertrain lineup for emissions-conscious markets is in full swing. At this autumn’s Frankfurt auto show, a brand-new 1.0 liter three-cylinder gasoline engine will [...]


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DCTs

July 26, 2013

Can DCT Win Over Hot Hatch Customers?

The Clio Renaultsport 200 Turbo has been eagerly awaited for several very good reasons. First and foremost, it is the latest in a long line of super-sharp hot hatches from Renault; designs such as the Clio Williams and Clio [...]


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DCTs

July 26, 2013

Daimler Confirms Nine-Speed Automatic as ZF Updates Rival 8-Speed

As it has been widely rumored in the auto industry for two years, Daimler has finally confirmed the existence of its new nine-speed planetary automatic for rear-drive cars, expected to be designated 9G-Tronic. Most [...]


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PLANETARIES

July 26, 2013

World’s First Nine-speed Automatic Transmission to Debut at [...]

Land Rover and Chrysler will be the first manufacturers to introduce the world’s first nine-speed automatic transmission in 2014 model year vehicles. Land Rover launches the new ZF 9HP transmission in the 2014 Range Rover [...]


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DCTs

June 20, 2013

BYD Shifts Up into the Big League

Chinese car producer BYD Auto, whose ambitious plans for mass-produced electric cars attracted interest from billionaire investor Warren Buffett in 2008, is beginning to broaden its focus to encompass larger and more [...]


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DCTs

June 20, 2013

GM Explores Torque Converter DCT

Though dual clutch transmissions have been very successful in sports- and performance-oriented passenger cars, the feedback from buyers of luxury cars and family vehicles has not always been so positive. Criticisms have [...]


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CVTs

May 17, 2013

Friction Modifier Differences

It is often assumed that lubricants are a commodity product and that there is little real difference between brands – or even between the types of lubes needed for vehicle components such as the engine, transmission, axles [...]


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DCTs

May 15, 2013

Volkswagen Working on Ten-speed DCT

Volkswagen has gained unexpectedly wide coverage for comments by its CEO that the group was developing a dual clutch transmission with ten speeds. Speaking at the 2013 Vienna Motor Symposium, a long-established conference of [...]


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CVTs

May 15, 2013

Eco Standards Boost Prospects for DCT

Due to their efficiency and performance, dual clutch automatic transmissions (DCTs) will emerge as a key technology as global emissions standards tighten and customers begin to demand sporting response, as well as comfort [...]


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PLANETARIES

May 15, 2013

Ford, GM, Confirm Multispeed AT Collaboration

We reported in October last year that General Motors and Ford were planning to embark on another round of cooperation in the design and development of innovative automatic transmissions. Now, the two US giants have [...]


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MANUALS AND AMTs

April 17, 2013

Dedicated Driveline Lubricants

The automotive industry continues to benefit from the use of high-tech manual transmission fluids in current and future synchronized manual transmissions Courtesy Transmission Technology International In a world of [...]


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CVTs

April 17, 2013

Jatco’s New CVT Targets Medium and Large Cars

Jatco, the Nissan-controlled transmission manufacturer that is the world number one in the production of CVTs, forecasts global sales of front-wheel drive vehicles with automatic transmission will rise to 4.70 million by [...]


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CVTs

March 19, 2013

Friction Materials for the Future

Just fifteen years ago, it was a bit simpler. Automatic transmissions were more straightforward with just a handful of gears and a couple of clutches. CVTs were confined to smaller cars, and DCTs were little more than a [...]


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DCTs

March 19, 2013

Hybrid Supercar Transmission Aims to Beat DCT

Almost all automakers, even those operating in the elite luxury and supercar segments, are now looking towards some form of partial electrification in order to reduce their corporate average CO2 emissions. The very latest [...]


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DCTs

March 18, 2013

Ferrari: The Supercar That’s Also a Hybrid

It is not often that the automotive world is granted an insight into the engineering philosophy at legendary Italian supercar maker and Formula One protagonist Ferrari. Yet at a recent industry conference, Franco Cimatti, [...]


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CVTs

February 21, 2013

Honda Switches Strategy with New Three-Level Sport Hybrid Line-up

Honda launched the tiny Insight coupé as the world’s first commercially available hybrid in 1999. Now. the company has delivered a comprehensive update on its original neat and simple mild-hybrid Intelligent Motor Assist [...]


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MANUALS AND AMTs

February 21, 2013

2014 Corvette to Feature Seven-Speed Manual Transmission Option

The much-anticipated 2014 Chevrolet Corvette, unveiled at the Detroit Auto Show on January 14th, features a host of driveline innovations including a new small-block V8 engine and, for the first time on a front-engined [...]


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DCTs

February 21, 2013

New-Generation Golf DCT Pioneers Sailing

The new seventh-generation Volkswagen Golf has set the automotive world talking about flexible modular vehicle architectures and standardized interfaces between engines. Engine mounts, transmission housings and detailed [...]


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MANUALS AND AMTs

February 12, 2013

Advances in Manual Transmission Design and Lubrication for [...]

Sophisticated multi-speed automatic transmissions may get all the headlines, but it is manual gearboxes that keep most of the world on the move. This was one of the main messages to emerge from the webcast on Advances in [...]


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CVTs

January 9, 2013

Compact Mercedes Goes AWD with Innovative System

Ever since the launch of Mercedes-Benz’s new generation of compact B-Class and A-Class models in 2011, it has been known that all-wheel drive 4MATIC versions would later be added to the range. The addition of four-wheel [...]


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DCTs

January 9, 2013

Ford Fiesta to Use Dry DCT, while Focus Will Have Planetary Auto

Ford is set to announce automatic transmission choices for its innovative one-liter, three-cylinder Fox gasoline engine – and the surprise, according to inside information from leading transmission supplier Getrag, is that [...]


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DCTs

January 9, 2013

Porsche’s Low-CO2 Supercar is a Super-Intelligent Hybrid

Selected technical details of Porsche’s radical plug-in hybrid system for its 918 eco-supercar are now available. The mid-engined design was first shown at the 2010 Genevaauto show. In December 2012, Porsche engineers were [...]


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CVTs

January 9, 2013

AT, CVT, DCT

Automatic transmissions are widely used across many international markets. A range of technologies is available, with different solutions tending to find favor in different regions. But how do each of these work, how have [...]


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HYBRIDS/ELECTRICS

November 29, 2012

Continental’s Supercap Technology Brings Start-Stop to [...]

A new form of scalable stop-start power handling promises significant improvements in commercial vehicle and light truck energy efficiency, especially for vehicles engaged in delivery itineraries in urban areas with frequent [...]


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MANUALS AND AMTs

November 29, 2012

New Transmissions help Mercedes Buses Achieve Euro VI Emissions

Euro VI emissions standards for buses and heavy trucks do not come fully into force until 2016 or beyond, but Mercedes-Benz has already revealed a new generation of bus chassis that anticipates the new standard. The two new [...]


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CVTs

November 2, 2012

Daimler Co-operation with Renault-Nissan Extends into [...]

Daimler and Renault-Nissan are extending their co-operation into the areas of fuel-efficient engines and automatic transmissions. The two groups’ CEOs, Dieter Zetsche and Carlos Ghosn (pictured) confirmed the new accord at [...]


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DCTs

November 1, 2012

Sporty Clio will Popularize Dual Clutch Transmissions among the [...]

The Clio Renaultsport in its various guises over the years has always been a popular compact hot-hatch icon, its combination of vivid performance, sharp handling and accessible pricing regularly placing the model top in [...]


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HYBRIDS/ELECTRICS

November 1, 2012

Classic Rally Car is Test Bed for Latest Hybrid Drive Module

Italy-based transmissions supplier Oerlikon Graziano has found a novel way of field testing a new and future-oriented engineering development – by running it in a legendary purpose-built classic rally car, the Lancia 037, [...]


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PLANETARIES

October 31, 2012

New Eight-Speed Automatic Improves Ram’s Fuel Efficiency

Demonstrating just how effective a more modern transmission can be at boosting the fuel efficiency of an existing vehicle, the 2013 Chrysler-Group Ram 1500 pickup boasts an improvement of at least 20 percent in fuel economy [...]


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DCTs

October 29, 2012

Getrag Announces New Dual Clutch Generation

With its second generation dry-clutch 6DCT250 becoming its first ever DCT to sell more than a million units, dual clutch specialist Getrag has announced a fresh line-up of third-generation DCTs aiming to take the fight to [...]


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CVTs

October 12, 2012

GM and Ford to Co-operate on New-Generation Multi-speed

The two largest North American automakers are joining forces to develop a new generation of fuel-efficient multi-speed automatic transmissions to help bring down their future corporate average fuel economy to the much lower [...]


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MANUALS AND AMTs

October 1, 2012

ZF’s Modular TraXon Set to Expand Transmission Thinking

ZF’s new TraXon automatic transmission system: the basic transmission can be coupled with five drive modules (from left to right): 1 – a single or double-plate dry clutch; 2 – a dual- clutch module; 3 – a hybrid [...]


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HYBRIDS/ELECTRICS

September 30, 2012

Hybrid Power Offers Numerous Benefits in Heavy Commercial [...]

The application of hybrid power in the heavy truck sector could provide an even wider range of benefits than those that consumers are already familiar with from hybrid passenger cars such as the Toyota Prius. Launching the [...]


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DCTs

September 29, 2012

New Volvo FH Series Raises the Bar in Truck Engineering

Launching the new FH series at September’s IAA international Motor Show in Hannover, Germany, Volvo Trucks President Claes Nilsson (pictured) hailed the new design as “an outstanding long-haul truck, with technology way [...]


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PLANETARIES

September 26, 2012

Dana, Allison and Fallbrook to Form Strategic Alliance

Dana Holding Corporation announced at the 2012 IAA commercial vehicles show in Germany that it is discussing the formation of a strategic alliance with transmission manufacturer Allison and Fallbrook Technologies Inc, best [...]


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CVTs

September 25, 2012

CVT Share Set to Rise, Say North American Industry Leaders

CVT transmissions are set to more than double their share of the North American market, according to a front-page report headlined “Shifting into No-Gear” in Automotive News. Prompted by the announcement that the 2013 [...]


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PLANETARIES

September 24, 2012

ATs in Trucks & Buses?

The effects of rapid expansion in large developing countries such as Brazil, China and India have been felt by OEMs and suppliers across the auto industry. But while the most-publicized impact has been on passenger car and [...]


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DCTs

September 23, 2012

Audi R8 Supercar Makes the Switch from AMT to Dual Clutch

Sports enthusiasts have always had high regard for the mid-engined Audi R8 supercar, launched in 2006. Since that date the R8 has expanded from a single model to four, with a choice of V8 or V10 engines and coupé or [...]


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MANUALS AND AMTs

September 20, 2012

Automated Manuals Gaining Share in US

Class 8 heavy trucks in North America are turning towards automated manual transmissions as a more economical alternative to a full automatic that does not demand the high driving skills required by standard manual models. [...]


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CVTs

December 29, 2011

CVT Shifts into High Ratio

During a webcast at the Global Drivetrain Virtual Summit, presenters Martin Kruessmann, Engineering Vice President for Bosch Transmission Technology; Shinji Morihiro, Corporate Vice President for JATCO Ltd and James [...]


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HYBRIDS/ELECTRICS

December 15, 2011

Adjusting Drivetrain Design for EVs & Hybrids

The need to increase efficiency and reduce CO2 emissions is by far the most powerful driver for today’s auto industry – few would dispute that. As far as light and medium duty vehicles are concerned, boosting efficiency [...]


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HYBRIDS/ELECTRICS

November 11, 2011

EV Transmissions: The Challenges that Lie Ahead

With vehicles like the Chevrolet Volt enjoying a high public profile, the engineering and design visions for electric cars are at last being tested in the real world by real consumers. The move to electric cars could be the [...]


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MANUALS AND AMTs

October 4, 2010

Dedicated Additives for MTs

A large percentage of the world’s vehicles are equipped with manual transmissions. The components in these transmissions and the duty cycles they go through are similar to those in axle technologies, and for this reason [...]


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DCTs

September 24, 2010

How the Dual Clutch Transmission Works

The DCT is in effect two gearboxes operating in parallel. Each has its own clutch. One gearbox houses first, third, fifth and, if fitted, seventh gears; the other carries second, fourth, sixth and reverse. While the drive [...]


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CVTs

September 15, 2010

Continuous Improvement

Continuously variable transmissions may be poised for another surge in popularity. With its 45 percent market share in Japan providing a solid base, new technologies are promoting its wider adoption in Europe and North [...]


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DCTs

September 8, 2010

Wet Clutch or Dry Clutch?

The starting point for any transmission designer is knowing the amount of torque the system needs to handle. Nowhere does this apply more clearly than in the design of dual clutch gearboxes, where applications for lower-cost [...]


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MANUALS AND AMTs

March 29, 2010

The Right Lubricant for the Job

It’s easy to see why manual transmissions and the lubricants that protect them are seen as the poor relations amongst the elements that make up the powertrain. Engines, with their extravagant technology content and huge [...]


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MANUALS AND AMTs

March 22, 2010

Manuals Fight Back –with eClutch

Every combustion engined vehicle needs a launch device to disconnect the engine from the driving wheels. In recent years the most popular solutions have been the dry plate clutch for manual transmissions and the hydraulic [...]


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PLANETARIES

March 20, 2010

Fact & Friction

Controlling friction is central to almost every aspect of automotive engineering. Engine specialists need to cut it to an absolute minimum in order to reduce internal losses and save fuel; chassis designers maximize it for [...]


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