Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
Komatsu D155AX-7 is a crawler dozer designed for heavy earthmoving, grading, and site preparation in mining, quarry, and large construction applications. It is part of Komatsu's D155AX series and uses a tracked undercarriage for traction and stability on soft, uneven, or steep ground. The machine is commonly configured with a semi-universal or straight blade, depending on application requirements. The D155AX-7 is built for dozing, ripping, and bulk material handling in demanding conditions. It is used in land clearing, road building, and mass excavation where consistent pushing power and durable undercarriage performance are required.