Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
Komatsu D155AX-8 is a crawler dozer designed for heavy earthmoving, mining support, site preparation, and large-scale grading applications. It is part of Komatsu's D155 series and uses a tracked undercarriage for traction and stability on soft, uneven, or steep terrain. The D155AX-8 is commonly configured with a semi-universal or straight blade, depending on job requirements. Typical features include hydrostatic steering, electronic engine management, and operator-focused controls. This model is used in construction, quarrying, road building, and land clearing where high pushing power and durable undercarriage performance are required.
| Engine Power hp () | 354 (264) Starting 2018 Model Year |
| Engine power hp (kW) | 354 (264) Starting 2019 Model Year |
| Engine Type | Komatsu SAA6D140E-7 Starting 2019 Model Year |
| Make | Komatsu Starting 2019 Model Year |
| Operating Weight lbs (kg) | 89,300 (40500) Starting 2021 Model Year |
| Weight lbs (kg) | 89,300 (40,500) Starting 2017 Model Year |
| Make | Komatsu |
| Net Power | 354.00 hp (263.98 kw) |
| Operating Weight | 89,300.00 lbs (40,505.85 kg) |