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Kobelco Introduces Three New Mark 9 Excavators

Wed August 10, 2011 - National Edition
Construction Equipment Guide

Kobelco Construction Machinery America introduced three new full-size, high performance excavators — the SK260-9, SK295-9 and SK350-9.

The new Mark 9 excavators feature an upgrade to Kobelco’s intelligent hydraulics, and introduce a new economy power mode. The machines launch a selective catalytic reduction (SCR) emission solution for excavators. The excavators also feature a new ROPS/FOPS cab for a more comfortable work environment.

“With the new Mark 9 models, Kobelco continues its tradition as a technology leader,” said Reece Norwood, Kobelco platform manager. “Long known for delivering the precise control and feel that expert operators prefer, these new Kobelco excavators can dig the trench, crane the pipe and finish with even better precision. Plus, our new SCR solution will deliver more engine power and fuel efficiency.”

The operating weights for the Kobelco Mark 9 excavators range from 59,524 to 80,909 lbs. (27,056 to 36,000 kg), and dig depths range from 23 to 24 ft. 10 in. (7 to 7.56 m). These three new models deliver 181, 197 and 269 hp (135, 147 and 201 kW), respectively.

Improved Controllability and Productivity

The upgraded intelligent total control system (ITCS) on all three excavators incorporates the culmination of three generations of continuous improvement in hydraulic controls, based on customer input and product testing.

“The Kobelco Mark 9 excavators set the industry standard in terms of controllability, especially in multifunction applications,” Norwood said. “Operators will appreciate the impressive control and smoothness, and the added confidence will make them even more productive. The ease of operation allows even a novice excavator operator to be productive on the job.”

Kobelco chose SCR technology for meeting Tier IV Interim emissions regulations. SCR is an after-treatment solution that allows the excavator’s engine to do what it does best — generate power. The high efficiency in the combustion process significantly reduces fuel consumption, according to the manufacturer.

The new Mark 9 excavator engines also provide a new economy work mode that takes Kobelco’s ITCS to a new level, maintaining productivity while increasing fuel efficiency by an average of 10 percent over previous models. A new control monitor provides key operating data, including a new function which graphs fuel consumption per hour, and a rear camera view.

Meeting a Wide Range of Applications

The largest of the new Mark 9 excavators, the SK350-9 is engineered for heavy applications, including road and bridge, sewer and underground utilities and mainline pipeline construction.

To meet customers’ needs for a wide variety of applications, the Kobelco Mark 9 excavators are available with several factory-available configurations — including high and wide, long reach and mass excavation versions — and a choice of three undercarriage options. Heavy-duty frames, booms, arms and undercarriages are standard on all three Mark 9 excavators.

The SK260-9 long reach has a maximum reach of more than 60 ft. (18 m). The SK295-9 high and wide has a more stable stance, making it ideal for such applications as craning large pipe, loading out trucks, and scrap and forestry work.

Additional features on the new Kobelco Mark 9 excavators include a rear-view camera to expand the operator’s view to the back of the machine, rear work lamps for improved visibility, swing flashers and step extensions. For even greater productivity and precision, Kobelco Mark 9 excavators are compatible with grade control systems from leading suppliers to meet customer preference and applications.

Kobelco also offers a new tooth system on buckets for increased productivity and uptime. The Kobelco SmartFit durable bucket tooth system with tips can be quickly switched without hammering pins.

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