To comply with new ISO standards, Doosan Infracore Construction Equipment America now offers its new mid-range-size hydraulic excavators with roll-over protective structure-certified cabs.The cabs conform to the new ROPS standard established by ISO 12117-2: 2008, which applies to ROPS for hydraulic excavators as defined in ISO 6165 with a working mass of more than 6 metric tons and less than 50 metric tons. Doosan excavator models covered under the ISO standard will range from the DX140LC to the DX480LC. The new ROPS-certified cabs will also be available on log loader models without cab risers. The new cabs also offer enhancements designed to improve operator comfort and convenience including control stands integrated into the seat assembly; integration of the switch panel into the right-hand control stand; an improved, optional heated air suspension seat; an upgraded monitor panel with an automatic day/night mode; and a rear view camera as standard equipment.