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D155AX-7 crawler dozer

Komatsu America introduced its new D155AX-7 crawler dozer. The new machine is powered by an EPA Tier 4 Interim and EU Stage 3B emission certified Komatsu engine. The powerful SAA6D140E engine is rated at 354 net horsepower. The highly efficient automatic transmission is matched with the new engine to achieve exceptional productivity and maintains the same excellent fuel economy as the model it replaces. Komatsu's new crawler dozer has an operating weight of 87,100 pounds. In addition, the D155AX-7 builds on the proven SIGMADOZER blade that was introduced in 2006, but now incorporates a new auto blade pitch function.

The new dozer is equipped with the latest KOMTRAX technology which sends machine operating information to a secure website utilizing wireless technology. Hour meter, location, cautions and maintenance alerts – to name a few of its features – are relayed to the web application for analysis. The KOMTRAX fleet monitoring system increases machine availability, reduces the risk of machine theft, allows for remote diagnosis by the distributor, and provides a wealth of other information to drive business efficiency and productivity.

Special features of the new crawler dozer include:
• EPA Tier 4 Interim and EU Stage 3B Emission Certified Engine
• Innovative SIGMADOZER blade for unsurpassed productivity
• Automatic transmission significantly improves fuel economy
• Ergonomic joystick controls for ease of operation and comfort
• Electronic control powertrain for smooth operation
• New cab design creates optimal operator environment



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