An evolution in performance in the large-size dozer class 

The D175AX-10 represents the first of Komatsu’s next-generation -10 large production dozers. As the successor to the D155AX-8, it introduces a new main frame, track frames, powertrain, cab, and blade system — all designed to help deliver high production and control total cost of ownership in demanding applications.

Compared to the D155AX-8, the D175AX-10 provides up to:

• 26 percent more horsepower, with 450 HP (336 kW)
• 25 percent increase in cubic yards of material moved per hour
• 15 percent enhancement in fuel efficiency (measured in cubic yards moved per gallon of fuel consumed)
• 35 percent tighter turning radius

This new dozer also features a new 4-speed automatic transmission and a redesigned semi-U blade designed for enhanced penetration and reduced material resistance. The next-generation cab delivers comfort and efficiency with exceptional ride comfort, KomVision 360-degree visibility system, and a user-friendly touchscreen monitor.

The new steering system enables pivot, power, and spin turns without sacrificing blade load, enhancing maneuverability in side-cutting and scraper-push applications. An eight-roller track frame and updated undercarriage configurations are engineered to deliver durability and ride quality in heavy production environments.

The D175AX-10 also features Komatsu’s newest off-road engine, the DBA127 EGR-less engine. This engine helps produce more power for stronger penetration and is designed to lower TCO by being more fuel-efficient and extending service intervals (reducing downtime). 

Next-gen dozers deliver the performance contractors need

“The contractors and mining operations we work with are asking for measurable performance gains without sacrificing operator comfort or long-term durability,” said Paul Moore, vice president for Products, Marketing, and Service. “With the D61PXi-25 and the D175AX-10, we focused on integrating higher output, more efficient powertrains, and advanced control systems that help move more material per pass while supporting operators in the cab.”

Both models are designed to integrate with Komatsu’s broader digital and lifecycle support solutions. The D61PXi-25 incorporates IMC 3.0 technology, and both dozers are supported by Smart Construction solutions, Komatsu Care programs, Komatsu Genuine Parts, and other service offerings designed to optimize uptime and long-term value.

The D175AX-10 is currently targeted for introduction in North America in 2026. The D61PXi-25 is planned for a later launch timeframe. Timing and availability are subject to change and will be fully announced at a later date.