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CREG 749 Vertical Dual-Mode EPB/Slurry TBM

Convertible dual-mode TBM capable of switching between Earth Pressure Balance (EPB) mode and Slurry Balance mode within the tunnel alignment. Applied in Guangzhou Metro Line 18.

Technical Specifications

Excavation Diameter8.84 m
Total Length110 m
Machine Weightapprox. 1,150 t
Cutterhead Power2,800 kW
Cutterhead Torque14,000 kNm
Max Thrust Force60,000 kN
Max Water Pressure6.0 bar
Suitable GeologyHighly weathered granite, karst caves, clay, and gravel

Technical Specifications

Specification ParameterTechnical Value
Excavation Diameter8.84 m
Total Length110 m
Machine Weightapprox. 1,150 t
Cutterhead Power2,800 kW
Cutterhead Torque14,000 kNm
Max Thrust Force60,000 kN
Max Water Pressure6.0 bar
Suitable GeologyHighly weathered granite, karst caves, clay, and gravel

Frequently Asked Questions

What is the CREG 749 Vertical Dual-Mode EPB/Slurry TBM engineered for?

Convertible dual-mode TBM capable of switching between Earth Pressure Balance (EPB) mode and Slurry Balance mode within the tunnel alignment. Applied in Guangzhou Metro Line 18.

Does Global TBM Machinery provide onsite field engineering dispatch for operating the CREG 749 Vertical Dual-Mode EPB/Slurry TBM?

Yes. Global TBM Machinery offers onsite assembly guidance, laser steering calibration, cutter replacement training, and 24/7 technical field support.

What is the manufacturing lead time and ocean shipping breakdown strategy for the CREG 749 Vertical Dual-Mode EPB/Slurry TBM?

Standard manufacturing lead time is 60 to 90 days. Equipment is modularly disassembled for breakbulk ocean transport and heavy flat-rack containers.

What is the warranty period for the CREG 749 Vertical Dual-Mode EPB/Slurry TBM?

We provide a 12-month or 5,000-hour operational warranty for main drives, hydraulic motors, and PLC systems, backed by rapid global spare parts dispatch.

How can I request a formal quotation for the CREG 749 Vertical Dual-Mode EPB/Slurry TBM?

You can request a quote directly by clicking "Get a Quote", submitting an inquiry form on our Contact page, or emailing [email protected] directly.