Hydraulic Breakers (Page 2 of 2)
A hydraulic breaker converts a carrier’s oil flow into percussion, so an excavator, backhoe, or skid steer can break concrete, rock, and pavement with no compressor and no air line. This section holds the whole package. Epiroc carrier mounted breakers run from the compact SB 52 up through the SB 452, the SBU 220 and 340, and the EC 40T to EC 80T line. Working tools — moil points, chisels, asphalt cutters, and tamper and driver pads — go in the front end and decide what the breaker actually does. The miscellaneous shelf covers what keeps one alive: chisel paste, charging boxes, and breaker hoses in 39, 59, 69, 83 and 94 in. lengths. See the wider excavator attachments range, or step down to handheld paving breakers. In-stock parts ordered by 4 PM ET ship the same day.
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Carrier Mounted Breakers
The breakers themselves sit in Epiroc SB, SBU and EC carrier mounted breakers. Three families cover the range: the SB line from SB 52 to SB 452, the SBU 220 and SBU 340, and the EC 40T through EC 80T. Model numbers climb with breaker size, so a skid steer or mini excavator takes a small SB and a full-size machine drives the top of the line. The SBU 220 is the one buyers ask for by name.
Working Tools for the Front End
One breaker does several jobs depending on what is in the tool holder. Moil points, chisels, wide chisels and driver pads all mount to the same lower bushing. Points and chisels break; the asphalt cutter slices pavement clean for patching; the tamper pad compacts backfill; and the post and pile driver pads turn the breaker into a driver for fence, sign, guardrail, and solar work.
Parts, Paste and Lubrication
Breakers are simple machines that die from poor lubrication. Breaker parts and lube carries standard and bio chisel paste, grease guns, an EC ContiLube kit for automatic tool greasing, hoses, transport safety devices, and a charging box for nitrogen.
Sizing a Breaker to Your Carrier
Two numbers decide it: carrier operating weight and available auxiliary flow. Too small a breaker will not produce; too large a one beats up the machine and the boom. Each breaker is quoted to the carrier rather than sold off a shelf, so have make, model, and aux flow ready. Where vibration is a problem, compare Darda carrier-mounted splitters, which crack rock without percussion.
Common Questions
What size hydraulic breaker does my excavator need? It is set by the carrier’s operating weight and auxiliary flow, not by the breaker’s weight alone. Tell us the machine and we will match it to an SB, SBU, or EC model and quote the mounting bracket with it.
Are these the same as a jackhammer? No. These hang off a machine and are fed by its hydraulics; a handheld jack hammer or air breaker is a 30 to 90 lb tool a person runs. Crews doing production demolition use both.
Do you sell hydraulic breaker parts? Yes — wear parts, paste, hoses, and charging equipment are listed above, and exploded views for other tools live in parts & diagrams. Call the number at the top of the page with the model for anything internal.
How often does a breaker need greasing? Every couple of operating hours by hand, or continuously with an automatic system. A dry bushing cold-welds to the tool shank, which ruins both parts and is the most common reason a breaker comes in for repair.