Best Hydraulic Rock Breaker: Match by Job and Excavator Size
The best hydraulic rock breaker fits your excavator and the rock. Compare LICH models by job, with impact energy per tonne of excavator from 3 t to 80 t carriers.
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The best hydraulic rock breaker is the one that fits your excavator’s weight and hydraulic circuit and delivers enough energy for the rock you are breaking. A breaker that is too small skates off hard rock; one that is too large overloads the arm and the circuit. This guide sets out which LICH model suits each kind of rock job, with published figures and our own calculation of impact energy per tonne of excavator.
Best match by rock job
Start from the job. This table lists the best hydraulic rock breaker in our range for each one.
| Rock job | Typical excavator | LICH models | Impact energy |
|---|---|---|---|
| Trenching through rock, footings, small sites | 3–7 t | LC-53, LC-68, LC-75 | 406–1,835 J |
| Secondary rock breaking, foundation rock | 7–12 t | LC-75, LC-100 | 1,835–3,102 J |
| Rock breaking, quarrying, road construction | 20–30 t | LC-135, LC-140, LC-155 | 6,190–10,930 J |
| Primary rock breaking, mining, hard-ground trenching | 36–55 t | LC-175, LC-200 | 15,500–29,700 J |
| Open-pit mining, heavy rock breaking | 60–80 t | LC-230 | On request |
Uses and figures from the LICH model specifications, read on 5 November 2026. All models are in the specification chart.
Our calculation: energy per tonne of excavator
We divided each model’s impact energy by the excavator weight at both ends of its listed class. The result shows how much harder the bigger classes hit for every tonne of machine:
| Model | Excavator class | Energy per tonne of excavator |
|---|---|---|
| LC-53 | 3–5 t | 81–135 J/t |
| LC-75 | 7 t | 262 J/t |
| LC-100 | 12 t | 258 J/t |
| LC-140 | 20–25 t | 259–324 J/t |
| LC-155 | 25–30 t | 364–437 J/t |
| LC-175 | 36–40 t | 388–431 J/t |
| LC-200 | 45–55 t | 540–660 J/t |
A 45–55 t machine with the LC-200 delivers several times the energy per tonne of a 3–5 t machine with the LC-53. For hard, massive rock, the best hydraulic rock breaker therefore often means a step up in carrier class, and fitting a bigger breaker on a small machine is not a substitute. The impact energy guide explains what the joules mean.
What makes a rock breaker the best one for your site
Five checks decide the best hydraulic rock breaker for a given site:
- Carrier weight. Start from the listed class. See the matching guide.
- Oil flow and pressure. The circuit must sit inside the model’s window, such as 180–240 L/min at 180–230 bar for the LC-155.
- Energy or speed. Heavy blows split massive rock; fast, lighter blows suit thin layers and fractured rock. Impact rate falls as size rises, from 1,100 bpm on the LC-53 to 140 bpm on the LC-200.
- Tool. A moil point concentrates the blow and starts cracks in hard rock; a chisel splits along a line. See chisels and bits.
- Body. The silent box-type suits urban rock excavation; the triangular body is simple to service.
Best hydraulic rock breaker by excavator size
Mini excavators, 3–7 t
The LC-53 suits 3–5 t machines; the LC-75 suits 7 t machines with 50–90 L/min. See breakers for mini excavators.
Mid-size excavators, 20–30 t
The LC-135 or LC-140 suits 20–25 t machines; the LC-155 suits 25–30 t machines. See the 20 ton rock breaker and 30 ton excavator guides.
Large excavators, 36 t and up
The LC-175 suits 36–40 t machines and the LC-200 suits 45–55 t machines. See the 40 ton excavator and quarry guides.
Questions about the best hydraulic rock breaker
What is the best hydraulic rock breaker for a 20 ton excavator?
The LC-135 (1,671 kg, 100–150 L/min, 6,190 J) for a smaller circuit, or the LC-140 (1,977 kg, 120–180 L/min, 6,485 J) for a stronger one.
Which brand makes the best hydraulic rock breaker?
Choose the manufacturer that can show the figures, test records and parts list for your exact match. Our hydraulic breaker manufacturers guide compares seven of them.
How much does a hydraulic rock breaker cost?
It depends on model, body, bracket and freight. Our price guide shows how to compare quotes.
Tell us your excavator model, circuit flow and pressure, and the rock you are breaking. We will recommend the best hydraulic rock breaker for that job from the LICH range and quote it with tools and spare parts.
Related reading: how a hydraulic rock breaker works on the arm and what to specify.
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