Montabert 86633070 Hydraulic Breaker Seal Kit

The Montabert 86633070 seal kit is a comprehensive sealing package engineered for the SC28 hydraulic breaker series. It contains precision-molded rod seals, piston seals, dust seals, O-rings, and backup rings manufactured from TPU, NBR, and PTFE compounds to withstand high-pressure hydraulic oil and nitrogen accumulator environments. The kit services the cylinder assembly, front head, piston guidance, and valve block interfaces, ensuring reliable oil film retention and contamination exclusion during percussive operation. Designed as a direct OEM replacement for Montabert part number 86633070, it restores original sealing performance and impact energy transfer efficiency. Compatible with Tramac SC28, Bobcat HB980, HB880, Furukawa F6, HB5G, and BRH125 breaker models mounted on 3 to 7.5 metric ton carrier excavators.