When it comes to sophistication, self-propelled timber harvesting machines are in a league of their own. With an automated felling head, ultra-accurate timber measurement and go-anywhere capability, the Komatsu 951 takes productivity to an all-new level

Think of a chainsaw on steroids, and you may recall a YouTube video doing the rounds, showing an American V8 engine crudely mated to a chainsaw. The V8 saw needed a pair of body builders to man-handle it into place, with the two-man crew doing its very best to slice a mammoth tree trunk into pieces in record time.