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Haldex Traction is a manufacturer of intelligent all-wheel drive (AWD) systems, founded in Sweden.Since the invention of Gen I in 1998, the company produced several generations of products licensed to and customized for some major automotive brands, that in turn have marketed Haldex Traction AWD under different names.
XWD, an acronym for Cross-Wheel Drive and also known as Haldex Generation 4, is an all-wheel drive system designed by Haldex in partnership with Saab. [1] The XWD is a permanent all-wheel drive system, that can pre-emptively and continuously change torque distribution before wheel slip occurs. Saab Turbo X, the launch vehicle for Saab XWD
Haldex co-owned (from 2004) the company Alfdex with Alfa Laval, for production of separators for truck engines. Haldex after 2011: In 2011, the Traction division was divested to BorgWarner, including the all-wheel drive. The hydraulic division formed a new company called Concentric and was listed on the Stockholm stock exchange.
The 4WD system was developed in conjunction with Haldex and was called Third generation coupling. Vehicles from the 2009 model year are fitted with a modified design of the active on-demand coupling, known as Haldex's Fourth generation. The new Freelander was first marketed in the U.S. in 2007 as the LR2. The 2008 version is called the LR2 HSE.
An additional example is the SAAB XWD (Haldex Generation 4) with eLSD, which uses a common (electronically controlled via the vehicle computer network) hydraulic power pack to control both the longitudinal and transversal torque transfer of the XWD system. [21]
Haldex is used by Audi on the quattro versions of the Audi S1, Audi A3, Audi S3, and the Audi TT. It is also used by Volkswagen in the 4motion versions of the Mk4 and Mk5 generations of Volkswagen Golf, Volkswagen Jetta, and the Golf R32, Volkswagen Sharan, 6th generation VW Passat (also based on the A-platform) and Transporter T5. On the Audis ...
xDrive system in a BMW X5 (E70). BMW xDrive is the marketing name for the all-wheel drive system found on various BMW models since 2003. [1] The system uses an electronically actuated clutch-pack differential to vary the torque between the front and rear axles.
The second generation of 4Matic was reintroduced on the W210 series in 1998/1999. Available only with left hand drive , the cars were again manufactured at the Magna-Steyr plant in Austria. The second generation of 4Matic utilized a full-time 4-wheel drive system with three open differentials front, centre and rear.