Friction discs used for Komatsu, Caterpillar,Allison, Balkancar, Bedford, Bumar, Case/David-Brov, Champion, ... , Nigata, Nissan, Orenstein and Kop,Terex, Tonanco-Marine, Toyota, Twin Disc, Valmet, Volvo-BM, Warner gear, Yale and Town, Yanmar, Zettelmeyer Friction disc