JCB / Vibromax Drum Mount Our rubber JCB / Vibromax drum mount or sandwich mounts are made from a high-quality rubber vulcanized to a steel plate; we stock a wide range of isolator buffers to suit most rollers. Complete your rubber buffer with a bolt kit to suit that roller you are replacing the drum mounts on. JCB / Vibromax Part Number 004014-22019 To Suit JCB / Vibromax 495118