Twin drum rollers 1997 5,824 h United States, Chehalis, Washington7d
Twin drum rollers 1998 7,306 h United States, Phoenix, Arizona
Twin drum rollers 2003 5,152 h United States, South Vienna, Ohio
Twin drum rollers 1998 United States, Medford, Minnesota
Twin drum rollers 1998 3,260 h United States, Perris, California
Twin drum rollers 2005 Australia, Australia