Komatsu America Corp. introduces the new WD600-6 wheel dozer equipped with a Tier 3 compliant engine. The 108,280 pound WD600-6 is designed to work with either a straight blade or U blade in many applications. It offers improved productivity, lower fuel consumption and increased reliability. The new dozer is powered by a Komatsu Tier 3, SAA6D170E-5 six-cylinder engine, which produces 502 HP at 1,800 RPM, a significant increase in horsepower over the previous model. Komatsu's engine is equipped with new technologies including an electronic control system to optimize vehicle performance; a heavy-duty High Pressure Common Rail Fuel Injection System; a new combustion system for reduced noise and fuel consumption; a cooled Exhaust Gas Recirculation system and an air-to-air charge air-cooling system. The WD600-6's engine comes standard with dual-mode engine power: an Economy mode for maximum fuel efficiency, and a Power mode for maximum productivity.

New WD600-6's large operator's cab has been ergonomically designed to provide the operator with more room and easy access to all switches and levers to minimize operator fatigue and improve productivity. The cab features AJSS (Automatic Joy Stick Steering) which allows for easier and more accurate directional control. Komatsu developed a ROPS/FOPS integral cabin with rubber and silicone viscous damping mounts to reduce cab vibration and noise levels.


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