BLT-75 Silent Hydraulic Breaker for 6-8.5 Ton Excavators | 75mm Chisel 
BLT-75 Silent Hydraulic Breaker for 6-8.5 Ton Excavators | 75mm Chisel 
BLT-75 Silent Hydraulic Breaker for 6-8.5 Ton Excavators | 75mm Chisel 

BLT-75 Silent Hydraulic Breaker for 6-8.5 Ton Excavators | 75mm Chisel 

The BLT-75 Silent Hydraulic Breaker is engineered for high-efficiency demolition with minimized noise and vibration, making it ideal for both noise-sensitive urban projects and rugged industrial environments. Equipped with MIC damping technology and high-tech special materials, its fully enclosed precision shell protects the breaker body while significantly reducing operational noise and vibration impact on the excavator. As a leading solution in global Hydraulic Breakers and Hydraulic Breakers for Excavators, the BLT-75 excels in municipal construction, mining, high-altitude, underwater, and tunnel operations—aligning with the mainstream and long-term trends of the global breaking market.

Urban municipal construction (road repair, building demolition)
Mining & quarrying operations
Tunnel excavation and maintenance
Underwater demolition and marine engineering
High-altitude and remote site projects
Medium to large concrete and rock breaking tasks

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Key Features

  • MIC vibration-damping technology combined with high-tech special materials reduces noise pollution and extends breaker lifespan.
  • Full-coverage shell design protects internal components while minimizing vibration transmission to the excavator.
  • Optimized hydraulic system delivers stable impact energy (400-800 bpm) for efficient breaking performance in tough conditions.
  • 75mm chisel (750mm length) ensures durability and precision in demanding applications.
  • Compatible with 6-8.5 ton excavators, suitable for medium to large demolition projects.
  • Reduced vibration enhances operator comfort and prolongs excavator service life.

Technical Specifications

ParameterValue
Silent Total Length1822 mm
Silent Total Weight466 kg
Chisel Diameter75 mm
Chisel Length750 mm
Working Flow Rate50-90 L/min
Set Pressure180 bar
Operating Pressure120-150 bar
Back Cylinder Nitrogen Pressure14-17 bar
Accumulator Pressure55-60 bar
Impact Frequency400-800 bpm
Hydraulic Hose Size1/2 inch
Compatible Excavator Weight6-8.5 ton

Compatible Excavator Models

  • Kato (加藤): HD307
  • JCB (杰西博): JS70
  • Caterpillar (卡特): 306 / 307 / 307 / 308
  • Case (凯斯): CX75 / 80
  • LiuGong (柳工): LG905 / 906 / LG907 / 908
  • Hitachi (日立): ZAX55 / 60 / ZAX70 / EX75 / EX70无尾
  • Sany (三一): SY55-9 / 60 / SY 65 / 75
  • Kobelco (神钢): SK60 (x2) / SK60E / SK70 / 75-8 / 80
  • Volvo (沃尔沃): EC40 / 55B / 60 / EC80
  • Hyundai (现代): R55-7 / 60-5 / R60-7 / R80
  • Komatsu (小松): PC60-7 / 75 / 80 / PC78
  • XCMG (徐工): XE60 / 65 / XE80C / XE80
  • Yanmar (洋马): VIO70 / 75
  • Takeuchi (竹内): TB68 / TB70 / 80 / TB175
  • Sumitomo (住友): SH60 / 75 / 80

Note: Verify specific pin size and mounting dimensions with your dealer prior to installation.

Standard Accessories Included with Each Breaker

  • 2 pcs chisels (75mm)
  • 2 pcs hydraulic oil hoses (1/2 inch)
  • 1 pc seal kit
  • 1 pc N₂ gas bottle
  • 1 pc toolbox

Why Choose the BLT-75 Hydraulic Breaker?

As a top-tier Hydraulic Breakers for Excavators, the BLT-75 balances advanced noise reduction with robust performance. Its versatility across environments (urban, mining, underwater, tunnels) and compatibility with 6-8.5 ton excavators make it a reliable choice for contractors prioritizing efficiency and compliance. Trust the BLT-75 to deliver consistent results in your most challenging projects.

FAQ

Q: How effective is the BLT-75 in reducing noise compared to non-silent breakers?
A: The BLT-75 leverages MIC damping technology and a special material shell to significantly lower operational noise, making it suitable for noise-sensitive urban zones. Actual noise reduction varies by working conditions.
Q: Can the BLT-75 operate underwater?
A: Yes, the BLT-75 is designed for underwater use. Ensure proper sealing and follow manufacturer guidelines for submersion depth and duration.
Q: What is the recommended nitrogen pressure for the back cylinder?
A: Maintain back cylinder nitrogen pressure between 14-17 bar for optimal performance.
Q: Are replacement parts easily accessible for the BLT-75?
A: Standard accessories (chisels, hoses, seal kits) are included with purchase. Replacement parts can be ordered through authorized dealers.

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