T6428

HKM G40BL Hydraulic Breaker

HKM Grey Series G40 is a high performance mini class breaker for 6–12 ton excavators. Its 400 kg operating weight and 75 mm tool diameter provide strong impact power and low vibration for medium hard rock, retaining wall demolition and intensive maintenance works.

HKM Grey Line Mini Series Brochure

HKM Grey Serisi_Mini_Kiricilar_Brosur

HKM G40BL Open Frame Mini Hydraulic Breaker

HKM GREY LINE MINI BREAKERS – G40BL

The HKM Grey Line Mini Breakers are designed to deliver powerful yet practical performance in tight urban job sites.
As the largest model in the mini series, the G40BL offers the same high-impact force of the standard G 40 but with a simplified open-frame design — making it more economical, easier to maintain, and ideal for operators who value both efficiency and accessibility.

See All HKM G40BL Spare Parts → All Grey Series Breakers →

OPEN-FRAME ADVANTAGE. SMART JOBSITE PRODUCTIVITY.

Equipped with a hybrid gas + hydraulic power unit, the G 40 BL allows flexible operation across different job conditions.
Its lightweight and accessible design makes it perfect for tight or high-rotation jobs where speed and reliability matter.
Despite the simplified structure, it maintains strong impact performance for demanding urban tasks.

KEY FEATURES

400 kg operating weight and 75 mm tool diameter for solid compatibility with compact carriers
120–150 bar operating pressure and 50–90 l/min oil flow deliver reliable breaking performance
Open-frame structure ensures quick and easy access for servicing and part replacement
Slim profile enables access in trenching, asphalt cutting, and light demolition projects
Simplified internal components reduce downtime during maintenance
Compatible with 6–12 ton carrier machines for a wide range of applications

INCLUDED IN THE SET

Hydraulic Breaker Machine
Mounting Bracket
Breaker Tools (1 pcs Chisel Tool, 1 pcs Moil Point Tool)
Hydraulic Connection Hoses
Carrier Connection Pins
Tool Box

STANDARD EQUIPMENT

Hybrid Power Unit (Hydraulic + Gas)
Easy Part Replacement and Service Access

OPTIONAL EQUIPMENT

Underwater Kit
Reinforced Outer Housing
Quick Coupler for Attachment Change

TECHNICAL SPECIFICATIONS

Operational Weight (kg)	400
Carrier Weight (ton)	6-12
Tool Diameter (mm)	75
Operating Pressure (bar)	120-150
Oil Flow (lt/min)	50-90
Impact Rate (bpm)	400-800

Frequently Asked Questions (FAQ)

Q: Is the G40BL less powerful than the G40?
A: No, both models share the same internal mechanism and power. The G40BL has an "Open Frame" housing, making it lighter and easier to service, whereas the G40 has an enclosed, sound-suppressed housing.

Q: Which excavators is this breaker compatible with?
A: The HKM G40BL is designed for excavators and backhoe loaders in the 6 to 12-ton range (midi excavators).

Q: Is spare part replacement easier on this model?
A: Yes, due to its open-frame design, accessing bolts, seals, and other internal components for maintenance or replacement is much faster and simpler compared to box-type breakers.

🤔 Not Sure Which Breaker Fits?

If you are unsure whether this breaker is the right match for your machine, we are here to help.

Simply send us your excavator's or carrier's brand and model details. Our expert sales team will identify the perfect match for you and share a personalized offer.

Weight (Kg) 400

Warranty All hydraulic breakers you purchase are protected by a 1-Year Comprehensive Warranty against manufacturing defects. At HKM, we prioritize the continuity of your business with our dedicated after-sales support. In case of any malfunction, we are at your side with our extensive spare parts inventory and expert technical team.

Delivery Information Shipping costs are excluded from the price, but we are here to assist with logistics! Upon placing your order, we research the fastest and most economical shipping method to your location (domestic or international) and present it for your approval. Your products are carefully packaged to ensure they arrive safely without damage.