Komatsu has upgraded its PC138USLC excavator to Dash 10, including a Tier 4-Interim Komatsu SAS4D95LE-6 engine delivering 93.5 horsepower. Operating weight ranges from 31,791 to 32,628 pounds. Improvements have been made in hydraulic efficiency, operator comfort, and simplified maintenance. A closed center load sensing hydraulic system utilizes both variable speed matching and low speed matching technology. The contoured ROPS certified cab with sliding door is specifically designed for the PC138ULSC-10.