High Quality Content by WIKIPEDIA articles! Xtrac Limited, also known as Xtrac Transmission Technology, is a British engineering company founded in 1984 by the former Hewland engineer Mike Endean to make 4WD systems and gearboxes for rallycross and later rally and racing cars. While still working for Hewland Endean, together with Chris Goddard, who had been working on the electronic components essential to the system, in 1983 developed the first ever so-called Xtrac 4WD system for Norwegian rallycross star Martin Schanche.