Hydraulic Breaker

HKM GREY LINE HEAVY BREAKERS – G 280

The HKM Grey Line Heavy Breakers are built for the harshest jobsite conditions — from quarrying and mining operations to high-tonnage demolition and infrastructure projects.
As the most powerful and largest model in the series, the G 280 delivers extreme impact force, unmatched durability, and compatibility with a wide range of heavy-class excavators.

G 280: EXTREME FORCE FOR EXTREME JOBS

Powered by a hybrid gas-hydraulic power unit, the G 280 operates efficiently across a wide range of pressure and oil flow conditions, ensuring fuel efficiency and flexibility.
With 165–185 bar operating pressure and 180–250 l/min oil flow, it delivers reliable power and stability even under the most demanding tasks.
Its 2850 kg operating weight and 160 mm tool diameter make it the perfect fit for 34–55 ton excavators.

The monoblock body design enhances structural strength and absorbs impact stresses, while extended wear plates and advanced damping systems reduce vibration and protect both the breaker and the carrier.
The optional automatic lubrication system extends component life and minimizes downtime.
For tunnel operations, the G 280 features a specialized single-piece bushing design to reduce wear and lower consumable usage — even during intense vertical breaking.

Despite its weight and size, the G 280 delivers consistent performance while protecting your investment in machines and manpower.

HIGHLIGHTED FEATURES

• Exceptional impact energy with low vibration
• Wide pressure and flow range for carrier flexibility
• Heavy-duty monoblock housing for maximum durability
• Optional automatic greasing system for extended service life
• Tunnel-optimized single-piece bushing design

STANDARD EQUIPMENT

• Hybrid Power Unit (Hydraulic + Gas)
• Monoblock Housing
• Vibration Damping Components
• Integrated Noise Reduction System

OPTIONAL EQUIPMENT

• Automatic Lubrication System
• Underwater Kit
• Reinforced Outer Casing
• Quick Coupler for Attachment Change