Komatsu: Large undercarriage design significantly increases lift capacity

Tina Grady Barbaccia

December 14, 2011

Komatsu’s PC390LC-10 hydraulic excavator powered by a Komatsu SAA6D114E-5 engine and is EPA Tier 4 Interim and EU Stage 3B emissions certified. The excavator is built upon a proven Tier 3 engine platform and contains a flywheel horsepower of 257 horsepower.

With an operating weight of 89,072 pounds, the excavator 10 features improved hydraulic efficiency, improved operator comfort, simplified maintenance to extend component life, and a large undercarriage design that significantly increases lift capacity.

The Komatsu Tier 4 Interim engine uses an advanced electronic control system to manage airflow rate, fuel injection, combustion parameters, and aftertreatment functions to optimize performance, reduce emissions, and provide diagnostic capability.

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