20 Ton Subway / Tunnel Crane

Why 20T Capacity for Subway / Tunnel

20 Ton is the standard configuration for subway construction applications. Chunhua's primary partner Hefei Chunhua Hoisting Machinery (founded 2003) produces this class with LH double hoist, QD double girder, MG single girder gantry.

Typical use cases at this capacity: TBM assembly, segment handling. Application-specific options available — explosion-proof variants (LB-series), metallurgical (high-temp) designs (YZ/YZD-series), intelligent unmanned operation (QDS-series), magnetic/grab attachments — all configurable on top of the 20T base spec.

Project workflow: send facility specs (workshop dimensions, span, lifting height, environment conditions, certification requirements) on WhatsApp — we reply with model + CAD drawing + price within 4 hours. Lead time 30-45 days production + 25-45 days sea freight. Certification: CE, CCC, SGS available per project.

Other Capacity Options for Subway / Tunnel

If 20T is not the exact match, see other capacities for this sector:

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