large excavator / for construction / crawler / diesel

High Output, Reliable Partner For Heavy-load Excavating Energy-Saving: Engine meets emission standard Stage IV/Tier 4F. Efficient & Durable: AOCT system (Auto Optimization Control Technology), precise matching; high operation efficiency and low fuel consumption. Superior Reliability: Strong structure suitable for heavy-load excavating passes rigorous fatigue and field testing. Multi-function Configuration: - Hydraulic power boost - Fan clutch - Low noise fans - Seamless speed switch - Heated suspension seat - Pattern change valve - Full-track guard (opt) - High-flow / high-pressure circuit (opt) - Medium-flow / medium pressure circuit (opt)