I seen a few for pipeline work. my 561 side boom I think was keaped around for just that as it's a Live set of winch drums so you could cast the bucket out. the place where I picked up my side boom had a few from Cleveland Trencher setups as well bigger a purpose-built. [attachment=74481]IMG_3183.JPG[/attachment][attachment=74482]IMG_3184.JPG[/attachment]![]()