Single drum rollers 1998 3,472 h United States, Pittston, Pennsylvania
Single drum rollers 1995 3,338 h United States, Seven Valleys, Pennsylvania
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 2006 United States, Atlanta, Georgia