BorgWarner has begun producing the electronically controlled, full-time four-wheel drive system that is at the heart of the new GM Hummer H2. The system is integrated with the powertrain, and standard on the H2.

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The system is capable of further multiplying the vehicle’s gear ratios by 2.64:1 when necessary, for highly controlled obstacle climbing.


It provides a 40/60 percent front-to-rear torque split in “High Open” or when the differentials are unlocked, and a 50/50 percent front-to-rear power split when the transfer case differential is locked.


BorgWarner also supplies the transfer case electronic control unit, which provides five mode selections including rear axle differential lock.


The system is produced in Muncie, Indiana.

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