Single drum rollers 1985 10,263 h United States, Couer d'Alene, Idaho
Single drum rollers 4,329 h United States, novi, Michigan
Single drum rollers 1991 3,780 h United States, Pittston, Pennsylvania
Single drum rollers 2002 2,700 h Canada, Princeton, British Columbia
Single drum rollers 1998 Canada, Lethbridge, Alberta
Single drum rollers 2016 3,500 h China7d
Single drum rollers 1986 Australia