HKM G120 Hydraulic Breaker

HKM Grey Series G120 is optimized for heavy demolition and hard rock breaking on 14–22 ton excavators. With 1240 kg operating weight and a 120 mm tool diameter it provides high impact energy and reliable performance in quarries, industrial foundation removal and demanding concrete structures.

HKM Grey Line Medium Series Brochure

HKM Grey Serisi_Orta_Kiricilar_Brosur

HKM G120 Hydraulic Breaker

HKM GREY LINE MEDIUM BREAKERS – G120

The HKM Grey Line Medium Breakers are designed to combine high impact force, wide carrier compatibility, and long-term durability in one compact system.
As one of the most powerful models in the series, the G120 is built to handle everything from heavy demolition to large-scale infrastructure work with consistent efficiency.

See All HKM G120 Spare Parts → All Grey Series Breakers →

MAXIMUM FORCE, MINIMUM DOWNTIME

Equipped with a simplified internal structure and vibration control technology, the G 120 protects both the breaker and the carrier machine.
Its broad operating range makes it a versatile solution across various work environments, from city streets to quarries.

The G 120 stands out in the Grey Line Medium Breakers lineup for its ability to handle high-demand jobs while keeping downtime to a minimum.

KEY FEATURES

1240 kg operating weight and 120 mm tool diameter — ideal for 14–22 ton excavators
Wide working range with 150–170 bar pressure and 90–120 l/min oil flow
Hybrid gas-hydraulic power unit delivers fuel savings and adaptable performance
Advanced damping system and extended wear plates reduce vibration and part wear
Durable and reliable for both urban and heavy-duty job sites

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)	1240
Carrier Weight (ton)	14-22
Tool Diameter (mm)	120
Operating Pressure (bar)	150-170
Oil Flow (lt/min)	90-120
Impact Rate (bpm)	400-750

Frequently Asked Questions (FAQ)

Q: What size excavator is the G120 designed for?
A: The HKM G120 is built for excavators in the 14 to 22-ton weight class. It provides the heavy-duty impact needed for medium to large-scale projects.

Q: What is the tool diameter?
A: The G120 uses a powerful 120mm diameter tool, making it highly effective for breaking reinforced concrete and hard rock.

Q: Is it suitable for urban demolition?
A: Yes, thanks to its enclosed housing and advanced damping system, the G120 operates with reduced noise and vibration, meeting the requirements for city job sites.

🤔 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) 1240

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.