Komatsu D155AXi-8 Large Dozer Specifications
Dozers Specs
The Komatsu D155AXi-8 is a highly productive large dozer designed to deliver exceptional efficiency and precision on Australian civil construction, mining, and bulk earthworks sites. Featuring Komatsu’s fully integrated intelligent Machine Control (iMC) system, this machine automates blade control from rough cut to finish grade, significantly reducing operating times and operator fatigue.
Powered by a fuel-efficient, emissions-compliant Komatsu engine, the D155AXi-8 combines robust structural durability with advanced hydraulics. Its unique Sigmadozer blade design improves productivity by up to 15% compared to conventional semi-U blades, making it an industry-leading choice for high-volume material moving and precise site preparation.
Details
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Machinery Specifications
Technical Specification
| Specification | Value |
|---|---|
| Blade Capacity (Sigmadozer) | 9.4 m³ |
| Max. Travel Speed – Forward | 11.6 km/h |
| Max. Travel Speed – Reverse | 14.0 km/h |
| Max. Blade Lift Above Ground | 1,250 mm |
| Max. Blade Drop Below Ground | 590 mm |
| Max. Blade Tilt Adjustment | 950 mm |
| Overall Length (with Blade) | 8,225 mm |
| Overall Width (without Blade) | 2,780 mm |
| Overall Height (to Top of ROPS) | 3,385 mm |
| Ground Clearance | 500 mm |
| Track Gauge | 2,100 mm |
| Standard Shoe Width | 610 mm |
| Ground Contact Area | 40,140 cm² |
| Ground Pressure | 100 kPa |
Engine Specification
| Specification | Value |
|---|---|
| Engine Model | Komatsu SAA6D140E-7 |
| Engine Type | Water-cooled, 4-cycle, direct injection, turbocharged, air-to-air aftercooled |
| Net Power | 264 kW (354 hp) @ 1,900 rpm |
| Gross Power | 268 kW (360 hp) @ 1,900 rpm |
| Displacement | 15.24 L |
| Number of Cylinders | 6 |
| Emission Standard | EU Stage V / US EPA Tier 4 Final |
| Fuel Tank Capacity | 625 L |
| AdBlue/DEF Tank Capacity | 39 L |
Additional Information
The Komatsu D155AXi-8 stands out in the large dozer class due to its factory-integrated intelligent Machine Control (iMC) system. Unlike aftermarket systems, there are no external masts or cables mounted on the blade, eliminating the risk of damage and reducing wear. The system automatically controls blade elevation and tilt based on 3D GNSS data, allowing the dozer to transition seamlessly from heavy bulk excavation to high-precision finish grading. Combined with the fuel-saving automatic transmission and lock-up torque converter, this machine delivers unmatched fuel efficiency and productivity on demanding Australian jobsites.
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