Komatsu hydraulic breakers

Nov. 21, 2021

The JMHB-V breaker series from Komatsu America Corp., Chicago, is designed and tested for compatibility with the company’s excavators from the PC210 up to the PC490. The 100 percent hydraulic-fired V-series breakers modulate their impact force and frequency with up to 16 working positions to match most application requirements. The breakers also are fitted with an energy-saving recovery valve that recuperates energy to drive efficiency, the company says.

The breakers have standard features, including automatic greasing, advanced blank firing protection, swivel hose couplings and heavy-duty housing. The shock-dampening systems in the form of upper and lower suspensions help reduce the risk of cracking excavator booms and breaker housings, while the mounted standard automatic lubrication feature helps guard against contamination caused by dust and debris.

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