Single drum rollers 2019 3,570 h Germany7d
Single drum rollers 1998 8,600 h Romania
Single drum rollers 2000 6,120 h Poland, Nakło n/Notecią
Single drum rollers 2002 5,930 h Spain, Seseña Nuevo, Comunidad de Madrid
Single drum rollers 2012 7,723 h United Kingdom, Aldermaston, Berkshire
Single drum rollers 2013 6,300 h Romania