[img]/forums/images/icons/laugh.gif[/img] [img]/forums/images/icons/laugh.gif[/img] I don't know how long they've been around, but that reminds me of the fact that the first time I ever saw (or noticed) one of those articulated tractors with 8 tires working was in Canada when we were on our way to Alaska in July '71. Of course they're very common in Texas now.