Top 100: Palm Command Control System

September 28, 2010

D275AX-5Weighing 109,900 pounds, Komatsu's D275AX-5 crawler dozer features a new K-bogie-design undercarriage to help the unit hug the terrain for better contact and maximum drawbar pull. It incorporates a hydrostatic steering system, which is powered by an independent hydraulic pump that transmits engine power to both tracks without an interruption on the inside track. Steering and blade-control systems have a palm command control system design. Komatsu's Tier II turbocharged, aftercooled engine delivers 410 horsepower at 2,000 rpm. To promote efficiency, Komatsu claims to offer the only lockup torque converter system in its class. Estimated list price: $560,000.

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