Excavators deliver improved fuel economy and faster cycle times

Case Construction Equipment’s C Series full-sized excavator line offers three new models.

Racine, Wis., February 8, 2011—Case Construction Equipment has launched its C Series full-sized excavator line with three new models, and each features increased fuel efficiency, productivity and improved serviceability and operator comfort.

The new Case CX250C, CX300C and CX350C excavators replace models in the company’s B Series product line. They feature Tier 4 Interim-certified cooled exhaust gas recirculation (CEGR) technology that burns cleaner while delivering superior horsepower. These three new models deliver 177, 207 and 266 net horsepower (132, 154 and 198 kW), respectively.

“Contractors are looking for lower operating costs and higher productivity. The new Case C Series excavators deliver both,” said Tim O’Brien, marketing manager, Case Construction Equipment. “In trenching applications, for example, the Case CX250C excavator can save as much as three gallons of fuel per hour compared to competitive models. If an equipment owner puts 1,000 hours on a machine in a year, he can put $9,000 straight to the bottom line.”

The new Case Intelligent Hydraulic System technology reduces total fuel consumption and improves performance, O’Brien said. Boom Economy Control lowers engine RPMs during the boom down and swing operation, while the Auto Economy Control lowers RPMs when the joysticks are inactive.

Swing Relief Control technology manages the hydraulic power allotted at the start of the swing operation, and Spool Stroke Control creates an automatic pressure adjustment during digging operations.

“These fuel efficiency gains are especially significant,” O’Brien said. “While typical CEGR systems lose fuel efficiency, we’ve actually increased fuel efficiency on our Case C Series excavators by up to 10 percent over our previous B Series models. This is noteworthy considering that the Case B Series excavators earned the prestigious Energy Conservation Award, bestowed by Japan’s Agency for Natural Resources and Energy, due to its fuel efficiency. While delivering exceptional fuel efficiency, the Case C Series models continue to be in the top of their class for productivity.”

With up to 5-percent faster cycle times than previous models, the new Case C Series excavators can, for example, load up to 10 more trucks during every work shift. Along with faster cycle times, the new Case excavators offer operators smoother and easier control and maneuverability.

The three C Series models feature up to 6-percent more lift capacity and boast increased operating weights to tackle bigger jobs. The Case CX250C excavator has an operating weight of 55,400 lb. (25 100 kg), and the CX300C and CX350C weigh in at 65,900 lb. (29 900 kg) and 80,000 lb. (36 300 kg), respectively.

“With the Case C Series excavators, operators also benefit from working in a more spacious, comfortable and quiet cab,” O’Brien said. Noise reduction improvements, including vibration refinement on the cab’s reinforced tubular structures, create an extra-quiet cab environment, with automotive-like noise levels as low as 69.9 dBa. “It’s like being in a car even when the excavator is running at full throttle,” he said. “A quiet, comfortable cab helps the operator be more productive.”

The cab on the new Case excavators provides 7-percent more overall space and 25-percent more airflow. Air conditioning performance also has increased by 8 percent.

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