SW150E hydraulic crawler excavator is the newly developed E series excavator. It utilizes the updated multi-functional monitor and the new microcomputer controller enables the pump hydraulic power to perfectly match with engine output power. Newly designed hydraulic system is adopted for precise and easy control. The Cummins engine compliant with Tier 2 Emission Standard is adopted and has the advantages of high efficiency, environmental protection and fuel saving. Compare with large-sized excavator, this hydraulic crawler excavator is more spacious inside the cab and has a better view.