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Home > Products > Rock Breaker Hammer > HB20G Open Type 135mm Chisel Hydraulic Rock Breaker Hammer for 18-25 Ton Excavator Mining Quarry

HB20G Open Type 135mm Chisel Hydraulic Rock Breaker Hammer for 18-25 Ton Excavator Mining Quarry

Product Details

Place of Origin: Shandong, China

Brand Name: DOPRO

Certification: ISO 9001:2015, CE

Model Number: HB20G

Payment & Shipping Terms

Minimum Order Quantity: 1 Set

Price: USD 8,500-11,000 / Set

Packaging Details: Export-grade plywood case with anti-rust coating and shock-proof foam

Delivery Time: 15-25 working days

Payment Terms: T/T, L/C, Western Union

Supply Ability: 120 Sets per Month

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Highlight:

135mm chisel hydraulic rock breaker

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open type excavator rock hammer

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18-25 ton quarry breaker hammer

Impact Energy:
2,646 J
BPM:
350-500
Chisel Diameter:
135 Mm
Working Pressure:
160-180 Bar
Oil Flow:
120-160 L/min
Operating Weight:
2,415 Kg
Suitable Excavator:
18-25 Ton
Mounting Type:
Open Type
Nitrogen Charged:
Yes
Impact Energy:
2,646 J
BPM:
350-500
Chisel Diameter:
135 Mm
Working Pressure:
160-180 Bar
Oil Flow:
120-160 L/min
Operating Weight:
2,415 Kg
Suitable Excavator:
18-25 Ton
Mounting Type:
Open Type
Nitrogen Charged:
Yes
HB20G Open Type 135mm Chisel Hydraulic Rock Breaker Hammer for 18-25 Ton Excavator Mining Quarry

HB20G Open Type 135mm Chisel Hydraulic Rock Breaker for Mining and Quarry

The HB20G Open Type Hydraulic Breaker is a professional-grade demolition tool engineered for 18-25 ton excavators. With a 135mm chisel diameter and 2,646 Joules of impact energy, this open-frame design breaker excels in heavy mining, quarrying, and primary rock breaking applications.

Key Specifications

Impact Energy2,646 J
Blows Per Minute350-500 BPM
Chisel Diameter135 mm
Working Pressure160-180 Bar
Oil Flow120-160 L/min
Operating Weight2,415 kg
Suitable Excavator18-25 Ton
Mounting TypeOpen Type

Multi-Application Versatility

Engineered for hard rock mining, granite and basalt quarrying, reinforced concrete demolition, road and tunnel construction, and foundation excavation. The open type design provides natural cooling for sustained operation in high-temperature environments, making it particularly suitable for mining and quarry sites.

Advanced Hydraulic Technology

Nitrogen gas-charged accumulator system delivers consistent impact force while reducing hydraulic system load. Precision-machined piston and cylinder components ensure smooth reciprocating motion. Auto-frequency modulation adapts impact rate to material hardness for optimal breaking efficiency.