ROPS-Certified Cabs, Page 1

News Release

ROPS-certified cabs, page 1

Doosan makesroll-over protective structure (ROPS)-certified cabs standard on mid-range size hydraulic excavators

WEST FARGO, N.D., January 2011—To comply with new ISO standards, Doosan has announced that effective immediately, its applicable new mid-range size hydraulic excavators will now be equipped with roll-over protective structure (ROPS)-certified cabs.

The cabs will 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 than6 metric tons and less than 50 metric tons.

Doosan excavator models covered under the ISO standardwill 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 ROPS cabs will not be available on Doosan DX520LC and DX700LC models or log loader models with cab risers. DX480LC excavators that exceed 50 metric tons due to certain optional equipment or larger attachments are also excluded.

Improved comfort and convenience

In addition to conforming to the ISO standard, the new cabs will offer enhancements designed to improve operator comfort and convenience. These include:

Pressurized cabs.
Relocation of the fresh air filter to the outside of the cab.
Control stands integrated into the seat assembly.
Integration ofthe switch panel into the right-hand control stand.

New orange and grey seats with retractable seat belts.
An improved, optional heated air suspension seat.
An upgraded monitor panel with an automatic day/night mode.
A rear view camera as standard equipment.

Other enhancements include an easier opening front window and improved storage boxes.

Doosan® is a registered trademark of Doosan Infracore Co., Ltd. in the United States.

News Release

ROPS-certified cabs, page 1

ABOUT DOOSAN INFRACORE CONSTRUCTION EQUIPMENT AMERICA

Doosan Infracore Construction Equipment America, headquartered in West Fargo, N.D., markets the Doosan brand of products that includes large excavators, wheel loaders and articulated dump trucks. With more than 100 heavy equipment dealer locations in North America, Doosan is known for an unmatched dedication to service and customer uptime, and durable, reliable products. Doosan is fast becoming a global force in heavy construction equipment. For more information on Doosan products, visit

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Doosan® is a registered trademark of Doosan Infracore Co., Ltd. in the United States.