SZ420D Custom Long Track Excavator Test Runs – Ready for Delivery
The global crawler excavator market is growing steadily at a projected compound annual growth rate (CAGR) of 5.3% from 2025 to 2030, driven by expansion in infrastructure construction and mining. A noticeable trend is the growing demand for custom equipment: 67% of contractors prefer machines adapted to specific operating conditions. Under these circumstances, Shanzhong Machinery Co., Ltd. has strengthened its customization capabilities, and the successful launch test of the SZ420D long crawler excavator has become a new milestone for its custom product line.
On September 22, 2025, the custom SZ420D long-barrel crawler excavator developed by Shanzhong Machinery Co., Ltd. for an international customer successfully passed the full-cycle start-up test. Rigorous testing ensured that all performance parameters - including operating efficiency, fuel consumption and structural stability - were fully compliant with pre-set standards and customer requirements. The equipment is currently in the final stages of preparation and awaiting delivery to the client's construction site.
The SZ420D long crawler excavator delivers high operational efficiency while maintaining low fuel consumption to meet global environmental trends. Its advanced engine management system optimizes fuel injection, reducing energy losses and carbon dioxide emissions. The equipment's superior stability and durability allow it to adapt to challenging environments such as desert areas and rocky terrain, minimizing customer maintenance costs.


