BorgWarner TorqTransfer Systems has been awarded a major new-business contract to supply its most advanced 4WD system to an unnamed North American vehicle maker.

"This is the most advanced Torque-On-Demand transfer case system BorgWarner has produced to date," a spokesman said, adding the is a new product introduction and a new vehicle programme with the customer.

Torque-on-Demand technology provides drivers with full-time, electronically controlled four-wheel drive for all conditions. The system's distinguishing feature is its ability to automatically deliver optimal torque using electronic sensors and microcomputer controls.