SANY SCC40000A Conquers the Heaviest Lift: Milestone for China’s First Rubber‑Plastics Mega Project

In a landmark achievement for high-capacity heavy lifting, the SCC40000A crawler crane — SANY’s flagship 4,000‑tonne giant — has successfully completed the erection of the fourth propylene splitter tower for China’s first integrated rubber‑plastics production line. Located in northern China, this 16‑billion‑yuan project represents a pivotal upgrade for the regional industrial landscape. The SCC40000A executed the heaviest and most technically demanding construction task of the entire plant, showcasing unmatched precision, structural integrity, and advanced engineering. With its lifting capacity peaking at 4,000 metric tons and a maximum lifting moment of 90,000 tonne-meters, the SCC40000A was the sole solution capable of handling the splitter tower’s colossal weight and height, further cementing SANY’s reputation as a global leader in ultra-large crawler cranes.

Project Scale & Industrial Significance

SCC40000A: Redefining Heavy Lifting with Patented Brilliance

Engineered for the most demanding heavy lift scenarios, the SCC40000A integrates over 20 proprietary patents that set new industry benchmarks. According to Mr. Zhang Yang, Project Manager at the SANY Equipment Research Center, “This crane incorporates a superlift counterweight trolley with dual crawlers, four walking crawlers with eight independent drives, and a V‑type twin lattice boom system that extends up to 120 meters. Such configurations ensure optimal load distribution and stability even under extreme wind and ground conditions.” The crane’s footprint covers 3,000 square meters when fully rigged with the 120‑m twin lattice booms, yet its modular design allows efficient on‑site assembly.

SCC40000A Technical Specifications & Performance Metrics

Parameter	Specification / Value
Maximum Lifting Capacity	4,000 metric tons
Maximum Lifting Moment	90,000 tonne-meters ™
Main Boom Configuration	V‑type twin lattice booms up to 120 m height
Superlift Counterweight	Dual crawler superlift trolley with variable positioning
Walking System	4 crawlers + 8 independent drives for superior mobility & steering
Operational Area (full rig)	3,000 m²
Transport Requirement	150 trailer loads (each 30‑tonne capacity)
Patent Portfolio	20+ international/national patents covering control, structure & safety
Control Precision	Micro‑motion intelligent system with real‑time load feedback

Unmatched Performance Under Demanding Conditions

Engineering Innovations: Beyond Conventional Crawler Cranes

Boosting Local Industrial Ecosystem: Multi‑Dimensional Impact

• Supply Chain Acceleration – The successful installation of the propylene splitter tower unlocks downstream production of high‑grade synthetic rubber and engineering plastics, directly benefiting automotive and electronics sectors.
• Employment & Skilled Workforce – Over 1,200 specialized technicians and operators were trained during the lifting campaign, with knowledge transfer centered around mega‑crane operations and modular construction methods.
• Infrastructure Multiplier – The project has already attracted 12 ancillary manufacturing units to the northern industrial zone, creating a robust petrochemical cluster.
• Global Competitiveness – By demonstrating that China’s domestic ultra‑heavy lifting equipment can rival any global counterpart, the SCC40000A sets a new benchmark for future export‑oriented heavy industrial projects.

Modular Logistics & Rapid Deployment Excellence

The SCC40000A was engineered with global project sites in mind. Its transportation scheme comprises 150 trailers, each carrying 30‑tonne subassemblies, but thanks to intelligent modular interfaces, the assembly crew can complete full rigging in under 14 days. For the rubber‑plastics project, the crane was mobilized from SANY’s regional hub within 72 hours, and the twin lattice booms were erected in synchronized stages using self‑hoisting cylinders. This speed and agility are unparalleled for a 4,000‑tonne class crane, reducing project downtime and ensuring that critical path milestones remain intact.

Real‑World Validation: The Propylene Splitter Hoist Operation

During the actual lift, the splitter tower — with a total weight of 2,480 tonnes including internal trays and insulation — was hoisted to a height of 86 meters before being rotated and bolted onto the concrete pedestal. The SCC40000A operated with a load factor of only 62% of its maximum capacity, providing a generous safety buffer. The superlift counterweight trolley (dual crawler) was positioned at a 28‑meter radius to balance the eccentric load, while the 8‑drive walking system enabled fine‑tuning of the crane’s position without requiring auxiliary bulldozers. The entire operation took 6 hours and 20 minutes, achieving a final mating tolerance within 2 mm — an industry rarity for such a massive component.

The project’s chief engineer commented that the crane’s integrated load moment indicator (LMI) delivered real‑time center‑of‑gravity data, allowing the team to adjust rigging angles on the fly. Moreover, the V‑type twin lattice booms reduced deflection by over 25% compared to traditional parallel booms, eliminating secondary stress on the lifted tower. This successful lift has now become a case study for large‑scale petrochemical module installation across Asia‑Pacific.

Future Outlook: Heavy Lifting Redefined for Global Mega‑Projects

The proven success of the SCC40000A in China’s first integrated rubber‑plastics line sets a new precedent for upcoming nuclear power plants, offshore oil & gas modules, and ultra‑tall bridge construction. With more than 20 patents and unrivaled hoisting precision, the SCC40000A represents a generational leap in high‑capacity crawler crane technology. SANY has already received inquiries from engineering firms in the Middle East, Southeast Asia, and South America, eager to leverage the crane’s superlift capabilities and rapid mobilization advantages.

Furthermore, the equipment’s data acquisition system feeds performance metrics to SANY’s global IoT platform, enabling predictive maintenance and continuous improvement. As industrial projects grow in scale and complexity, the SCC40000A stands ready to deliver world‑class hoisting solutions, blending raw power with intelligence. Its contribution to the 16‑billion‑yuan northern China facility will resonate for decades, boosting regional economic output and cementing the role of advanced manufacturing in the energy transition.