Twin drum rollers 1,012 h United States, Rich Creek, Virginia
Twin drum rollers 1987 Latvia
Twin drum rollers 1995 5,492 h Netherlands
Twin drum rollers 1999 4,400 h Germany
Twin drum rollers 2003 8,600 h Germany
Twin drum rollers 2001 3,500 h Germany, Bayern - Haidmühle, Bayern
Twin drum rollers 2002 Poland
Twin drum rollers 2003 5,200 h Poland
Combi rollers 1987 3,700 h Germany
Twin drum rollers 2000 Spain, Azuqueca de Henares, Castilla-La Mancha
Twin drum rollers 1996 Latvia