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Additional InformationChicago Pneumatic BRK 55 Hydraulic Breakers
When you need a handheld hydraulic breaker that lives in the sweet spot—serious breaking power without dragging around a monster—the Chicago Pneumatic BRK 55 is built for real jobsite work. It’s a medium-weight, multi-purpose hydraulic breaker that’s widely chosen for road crews, rental fleets, and contractors who need consistent performance on common materials: asphalt, brickwork, frozen soil, and concrete. If your work bounces between patching, trench access, maintenance cuts, and general demolition, the BRK 55 is designed to stay productive without being a pain to run.
High Performance Models
CP hydraulic breakers range from flexible, lightweight models up to super heavy-duty models hitting 103-foot pounds and delivering an average of 1,276 blows per minute. Whatever the job, large or small, light or heavy, CP has the right tool in its breaker line-up.
The slim design of CP hydraulic breakers gives a good line of sight to the working tool point which boosts your productivity. The tools are well balanced, with no external side bolts and protruding machine parts that can come into contact with the operator’s body.
Built for road building and maintenance
The BRK 55 is positioned as an ideal choice for road building and maintenance applications, where reliability matters more than marketing. Whether you’re opening asphalt for a repair, breaking out brickwork, dealing with frozen ground in winter, or busting concrete during maintenance work, the BRK 55 is designed to deliver dependable impact performance day after day. It’s the kind of breaker that fits the rhythm of municipal work, utility crews, and contractor maintenance runs—fast setup, predictable results, minimal drama.
Works with both 8 GPM and 5 GPM power packs
One of the best practical advantages of the BRK 55 is compatibility. It can be used with both 8 gpm and 5 gpm power packs, so you’re not locked into one hydraulic flow class. That matters if you already own a power pack, if you’re working from jobsite equipment with limited flow options, or if you run a rental fleet where flexibility reduces headaches. Pair it with the right power unit, keep the hydraulic system clean, and you have a breaker that integrates easily into existing workflows.
Jobsite productivity, not jobsite bruises
The BRK 55 benefits from the broader CP breaker design approach: slimmer body for improved sightline to the tool point, balanced handling, and a cleaner exterior without side bolts and protruding parts that can snag clothing, catch on materials, or bump into the operator. In plain terms: it’s built to be used hard in tight spaces without feeling awkward or unsafe. Better visibility to the point of work also reduces wasted motion and helps operators keep the tool where it needs to be—especially in detailed road repair work where accuracy saves time.
Typical BRK 55 specs and configuration highlights
Exact specs can vary slightly by configuration, but the BRK 55 family is commonly associated with:
- Hydraulic flow compatibility: 5 GPM and 8 GPM power sources
- High blow rate for fast material breakdown at the appropriate flow
- Rugged hydraulic design intended for construction and maintenance environments
- Tool/shank options depending on the version and application needs
If you’re matching the breaker to an existing setup, the important part is verifying your power pack flow and pressure ranges and selecting the tool steel that fits your material and cut style.
Choose the right tool steel for your material
Most “breaker performance” complaints are really “wrong bit for the job” problems. For the BRK 55, matching the working steel to the material makes a noticeable difference in speed and control:
- Wide asphalt chisel – Ideal for road patching and paving cuts where you want production and clean separation.
- Narrow chisel – Better for controlled cuts, edges, and tighter spaces where precision matters.
- Moil/point – Concentrates energy to start fractures in stubborn concrete, brickwork, or frozen ground.
- Spade – Useful for scaling, cleanup, and general breakup where a broader face is helpful.
If roadwork is the priority, a proper asphalt chisel is the fastest way to make the BRK 55 feel like it’s punching above its class.
Comfort and control options (version dependent)
Depending on the exact BRK 55 version you’re running, there are configurations aimed at improving operator comfort and compatibility with different hydraulic circuits:
- Vibration-reduced style configurations can help reduce fatigue and keep productivity up across longer shifts.
- High back-pressure tolerant configurations are helpful when working with equipment or circuits where return pressure is higher (often seen with certain carriers, long hose runs, or specific hydraulic setups).
If you’re buying for a fleet or for mixed equipment use, choosing the right configuration upfront can prevent compatibility issues later.
Where the BRK 55 fits best
- Road patching and utility access cuts in asphalt
- Sidewalk, slab, and maintenance breakup in concrete
- General demolition in brickwork
- Winter work and breakup in frozen soil
- Rental and contractor fleets that need a dependable mid-class hydraulic breaker
Why customers choose the Chicago Pneumatic BRK 55
- Designed specifically for road building and maintenance work
- Reliable performance across multiple real-world materials
- Runs on both 5 GPM and 8 GPM power packs for flexible jobsite use
- Operator-friendly design: improved sightline, balanced handling, cleaner exterior
- Tool steel options to tailor performance to the work in front of you
If you want a hydraulic breaker that’s genuinely useful in the day-to-day grind—road repair, demolition, winter work, maintenance cuts—the Chicago Pneumatic BRK 55 Hydraulic Breaker is a proven choice that fits common power packs, delivers steady performance, and is designed to keep operators productive instead of fighting the tool.
