The finer points of the North's favourite mega-machine

Tundra buggies are the Arctic's monster-trucks. In early winter outside Churchill, Manitoba, they're everywhere, getting tourists face-to-fangs with polar bears. The region's leading bear-safari company, Frontiers North Adventures, holds the trademark on the name "Tundra Buggy" and has outfitted its 14-vehicle fleet with some surprising innovations. Here's a look at their high-tech specs: