Friction discs used for Komatsu, Caterpillar,Allison, Balkancar, Bedford, Bumar, Case/ ... of clutch discs and plates 2) All these discs made by Miba production lines3) Have copper base and paper base discs4 ... , Valmet, Volvo-BM, Warner gear, Yale and Town, Yanmar, Zettelmeyer Friction disc