Series: BRV | Energy: Approx. 7,500 J | Carrier: Approx. 60,000–88,000 lb (27–40 t)
The Montabert V45 is a hydraulic breaker built for contractors, rental fleets, demolition crews, quarry operators, and equipment owners who need a breaker that fits their carrier correctly and delivers reliable output in the field. This model sits in the BRV range and is well suited for commercial demolition, secondary breaking, quarry production, road construction, and heavy trench work on large excavators. When a breaker is matched correctly to the carrier — by weight class, hydraulic flow, and operating pressure — operators get better production, less unnecessary vibration transmitted back to the machine, reduced wear on the attachment and bracket, and fewer problems with hoses, bushings, retainers, and seals.
The Montabert V45 is closely related to the V47 in the BRV lineup, with an approximate service weight of 5,000 lb (2,270 kg) and an energy class of approximately 7,500 J. The tool steel diameter is approximately 5.9 in (150 mm). Oil flow and pressure requirements are matched to large excavator auxiliary circuits in the 27–40 t operating weight class. These specifications define where this breaker fits in the lineup. A unit that is too small for the job will force the operator to work the tool harder than intended, causing overheating and premature wear. A unit that is too large for the carrier can create excess hydraulic heat, damage mounting hardware, and shorten the service life of both the hammer and the machine.
Maintenance discipline is as important as correct sizing. A hydraulic hammer operates in some of the most demanding conditions on a jobsite — dust, shock load, side load, heat, moisture, and thousands of impact cycles per hour. Even a well-built breaker will lose performance if the lower bushing wears undetected, the tool is run dry, the seals harden from heat cycling, nitrogen or accumulator pressure drifts out of specification, or hydraulic flow and pressure fall outside the recommended range. Owners should inspect the tool steel, retainers, bushings, tie rods, hoses, fittings, and the grease system on a regular schedule. A properly maintained hammer hits harder, runs cooler, and protects the carrier better than a neglected one. For many contractors, the real value of this model is not the purchase price alone — it is the ability to keep it running through repairable wear rather than replacing the whole breaker.
The design characteristics of the Montabert V45 include Montabert BRV-series power cell engineering, full-housing protection, practical oil flow requirements, and a carrier weight range matched to late-model 30-to-40-ton excavators in demolition and quarry service. These attributes make it well suited for applications where productivity, controllability, carrier protection, and access to service support all matter. When comparing this model against similar breakers, pay close attention to carrier size match, hydraulic circuit setup, tool steel availability, and the parts support network available in your area. Matching the hammer correctly to the carrier improves efficiency and helps prevent common issues such as weak hitting, slow cycling, tool overheating, premature bushing wear, and cracked mounting hardware.
HBS provides complete support for the Montabert V45, including hydraulic hammer repairs, full rebuilds, routine maintenance, and sales. Parts stocked and available for this model include chisels, tie rods, upper and lower bushings, retainer pins, accumulator diaphragms or membranes, hydraulic seals and seal kits, front head components, and hoses and fittings. Whether this breaker is leaking oil, hitting weak, cycling slowly, overheating, wearing tools too fast, breaking retainers, or due for a full overhaul, HBS can diagnose the issue and return it to working condition. Contact HBS for service pricing, parts availability, rebuild options, and expert guidance on matching this hammer to the right carrier and application.
Key Features
- Approximately 7,500 J of impact energy at a blow rate suited to large excavators positions the Montabert V45 as a high-output option for quarry and demolition operations that require heavy per-blow energy without moving into the ultra-class carrier weight range required by larger BRV models
- Montabert BRV-series design incorporates a sealed accumulator chamber with nitrogen pre-charge pressure optimized for the carrier hydraulic circuit operating range, maintaining blow rate stability across varying ambient temperature conditions and extended production shifts without accumulator pressure drift
- Full-enclosure housing protects all external hydraulic connections, accumulator components, and the upper cylinder assembly from the contamination and impact damage common in quarry and demolition environments, reducing maintenance frequency and extending the service interval between scheduled rebuilds
- HBS stocks parts for the Montabert V45 including chisels, tie rods, upper and lower bushings, retainer pins, accumulator components, hydraulic seal kits, front head parts, and hoses — supporting repairs, rebuilds, and preventive maintenance without extended wait times
Key Specifications & Service Points
- Recommended carrier match: approx. 60,000–88,000 lb (27–40 t) — service weight approx. 5,000 lb (2,270 kg)
- Core performance: energy class approx. 7,500 J; tool steel approx. 5.9 in (150 mm)
- Hydraulic requirements: matched to large excavator auxiliary circuits in the 27–40 t class — contact HBS for circuit setup specifications
- Parts available from HBS: chisels, tie rods, upper and lower bushings, retainer pins, accumulator components, hydraulic seal kits, front head parts, and hoses









