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Hydraulic breakers
Take on tough rock-breaking applications with confidence. Komatsu hydraulic rock breakers are specifically matched to our excavator range, from utility machines through to heavy construction equipment. Engineered to deliver powerful, reliable performance, Komatsu breakers bring proven rock-breaking technology to your operation with the added confidence of Komatsu’s trusted service and support network.
Komatsu breakers
Get more from your excavator with a breaker designed to work with your Komatsu machine. Available for excavators from the PC18 through to the PC700LC-11, Komatsu breakers deliver powerful, efficient rock-breaking performance across a range of applications.
Selected models feature variable frequency and energy technology that automatically adapts to changing material conditions, helping maximise productivity and efficiency.
Why choose Komatsu breakers?
- Matched to Komatsu excavators for optimised performance and efficiency.
- Higher productivity with variable frequency and energy systems on selected models.
- Improved fuel efficiency through high percussion efficiency and lower input power requirements.
- Reduced downtime with built-in protection features designed for demanding applications.
- Lower operating costs through efficient performance and reduced maintenance requirements.
- Complete peace of mind with the backing of Komatsu’s extensive service and support network.
Komatsu breaker specifications
Model | Operating weight (kg) | Flow (lit/min) | Pressure (bar) | Blows/minute, min-max | Number of speeds | Moil diameter (mm) | Recommended Komatsu excavators |
|---|---|---|---|---|---|---|---|
JMHB15H-1 | 90 | 15-30 | 120 | 1,700 | Var | 45 | PC18 |
JMHB35H-1 | 150 | 25-50 | 120 | 1,500 | Var | 55 | PC30/35 |
JMHB55H-1 | 275 | 40-75 | 120 | 1,420 | Var | 72 | PC45/55 |
JMHB70H-1 | 365 | 55-100 | 125 | 1,550 | Var | 76 | PC78/88/WB970 |
JMHB130H-1 | 730 | 80-140 | 140 | 870 | 1 | 106 | PC138 |
JMHB170H-1 | 1,190 | 100-150 | 125 | 400-800 | 1 | 118 | PC200/228 |
JMHB230V-1 | 1,450 | 120-170 | 135 | 400-1050 | Var | 122 | PC200/210/220/228/270/290 |
JMHB360H-1 | 2,571 | 175-250 | 155 | 350-800 | 2 | 160 | PC300/350 |
JMHB470V-1 | 3,430 | 240-320 | 165 | 440-1045 | Var | 170 | PC450LC-8 |
JMHB460H-1 | 3,500 | 250-320 | 175 | 550-850 | 2 | 175 | PC450LC-8 |
Order parts online, anytime — with free shipping
Available 24/7, my.komatsu.com.au is your one-stop shop to search, order and buy genuine Komatsu parts and quality parts from other leading manufacturers. Access online parts books, pay securely by credit card, and manage your orders in one place — with updates sent straight to you by email or SMS.
Free standard delivery is available in Australia for all online orders. Some conditions may apply.
