Single drum rollers 2013 2,676 h United States, Augusta, Maine
Twin drum rollers 2020 1,946 h United States, Scarbrough, Maine
Twin drum rollers 2012 5,817 h United States, Scarborough, Maine
Twin drum rollers 2020 3,075 h United States, Scarbrough, Maine
Twin drum rollers 2020 1,692 h United States, Scarborough, Maine
Twin drum rollers 2020 1,371 h United States, Scarborough, Maine