T6422

HKM G40 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 G40 Mini Hydraulic Breaker

HKM GREY LINE MINI BREAKERS – G40

Engineered as the largest model in the HKM Grey Line Mini Breakers, the G40 delivers powerful impact performance while retaining all the compact advantages of the mini series.
It’s the ideal choice for users who need high breaking force in confined spaces, especially for urban projects.

See All HKM G40 Spare Parts → All Grey Series Breakers →

MINI IN SIZE, MAXIMUM IN POWER

With a hybrid power unit that combines gas and hydraulic systems, the G 40 offers wide operational flexibility and excellent impact energy.
Its design provides both high performance and low downtime, making it a reliable solution for high-demand job sites.

As the highest-capacity model in the Grey Line Mini Breakers, the G 40 is built to dominate tough jobs with compact power.

KEY FEATURES

400 kg operating weight and 75 mm tool diameter — perfect for larger mini excavators and backhoe loaders
120–150 bar operating pressure and 50–90 l/min oil flow provide excellent efficiency
Enclosed body design reduces noise and vibration — ideal for noise-sensitive urban environments
Compact frame allows easy access for trenching, asphalt breaking, and light demolition
Simplified internal layout enables fast maintenance and spare part replacement
Compatible with carriers in the 6–12 ton range

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 G40 suitable for midi excavators?
A: Yes, the HKM G40 is designed specifically for 6 to 12-ton machines, often referred to as "midi excavators," as well as larger backhoe loaders.

Q: Can it break concrete effectively?
A: Absolutely. With a 400kg weight and a 75mm tool diameter, it delivers high impact energy suitable for concrete demolition and asphalt breaking.

Q: Is it quiet enough for city centers?
A: Yes, the G40 is part of the Grey Series, which features a sound-suppressed enclosed housing, making it ideal for urban projects with noise regulations.

🤔 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.