Single drum rollers 2005 United States, Williamsburg, Virginia
Single drum rollers 2002 2,700 h Canada, Princeton, British Columbia
Twin drum rollers 2002 2,992 h United States, Scott Township, Pennsylvania
Single drum rollers United States, Miami, Florida
Twin drum rollers 2006 4,561 h United States, Miami, Florida
Single drum rollers 2004 1,715 h United States, Wylie, Texas
Other rollers 2007 700 h United States, Jarrell, Texas
Single drum rollers 2005 3,700 h United States, Wayne, Michigan
Single drum rollers 2007 50 h United States, Lyman, South Carolina
Pneumatic tired rollers 2007 30 h United States, Lyman, South Carolina
Other rollers 2005 1,315 h United States, Jarrell, Texas