Komatsu D155AX-8
Industrial Tractor · 2024
Overview
The Komatsu D155AX-8 is engineered for commercial applications demanding maximum uptime. With 360 horsepower, it handles demanding implements and attachments effectively. The torque converter transmission delivers reliable power transfer.
Owner Ratings
Based on 19 owner reviews
Best For
- ✓Commercial and municipal fleets
- ✓High-hour continuous operation
- ✓Rotary cutters and brush hogs
Not Ideal For
- ✗Residential or hobby use (over-specified)
- ✗Budget-conscious buyers
Key Features
354hp Komatsu SAA6D140E-7 engine
Delivers reliable power and efficient fuel consumption.
SIGMADOZER semi-U blade
A standout feature enhancing overall performance.
Hydrostatic power steering
Smooth, intuitive control for effortless operation.
Parallel link undercarriage with heavy-duty rollers
A standout feature enhancing overall performance.
ROPS cab with pressurized air filtration
Designed for operator comfort during extended use.
Auto-shift transmission
Smooth, intuitive control for effortless operation.
Large Torque-Converter Dozer Series
This Komatsu large dozer set captures major torque-converter classes used for high-output earthmoving and production-focused work. It includes standard and LGP variants where applicable, allowing a single search path for heavy-duty procurement comparisons.
Production Earthmoving Focus
Designed for operations where steady push power and productivity are central requirements, spanning from D85EX-18 through the massive D575A-3.
- •Heavy-duty class for major workloads
- •Common in industrial-scale projects
- •Strong fit for sustained output needs
- •D85 through D575 production scale
Large-Class Variant Grouping
Combines standard and LGP options for better terrain and job-condition matching in soft-ground or standard production environments.
- •Supports traction/ground-pressure choices
- •Simplifies variant-level procurement review
- •Keeps related large classes unified
- •LGP versions for soft-ground sites
Fleet-Level Deployment
Frequently considered for multi-machine deployment in high-volume site programs where production scheduling drives machine selection.
- •Useful for long-duration project cycles
- •Aligned with production route planning
- •Enables consistent fleet role definition
- •Multiple units often deployed together
Lifecycle Reliability Planning
Purchasing in this segment emphasizes uptime support and replacement strategy for major capital equipment investments.
- •Support infrastructure is a key factor
- •Maintenance planning drives ownership outcomes
- •Strong relevance for capital planning cycles
- •Komatsu CARE support program available
What Owners Say
- •The D155AX-8 is a serious large dozer that handles heavy earthmoving and cut-fill operations with genuine authority
- •354hp provides confident performance even in the most demanding soil and rock conditions
- •Auto-shift transmission reduces operator workload and optimises power delivery throughout the working cycle
- •Parallel link undercarriage keeps the blade more stable during grading — a significant productivity advantage
- •Komatsu's build quality and support network mean the D155AX-8 is a reliable choice for intensive production dozing
Complete Specifications
| Specification | Value |
|---|---|
| Engine | |
| Gross Horsepower | 360 HP |
| Cylinders | 6 |
| Displacement | 15.24L |
| Fuel Type | Diesel |
| Aspiration | Turbo |
| Transmission & Drive | |
| Transmission Type | Torque Converter |
| Forward Speeds | 3 |
| Drive Type | Crawler |
| Dimensions & Weight | |
| Operating Weight | 89,300 lbs |
| Length | 321" |
| Width | 106" |
Specs & Compare
Add models to compare side by side
| Specification | Komatsu D155AX-8 | — | — |
|---|---|---|---|
| Engine | |||
| Gross HP | 360 HP | — | — |
| Cylinders | 6 | — | — |
| Displacement | 15.24L | — | — |
| Fuel Type | Diesel | — | — |
| Aspiration | Turbo | — | — |
| Transmission & Drive | |||
| Transmission | Torque Converter | — | — |
| Forward Speeds | 3 | — | — |
| Drive Type | Crawler | — | — |
| Dimensions & Weight | |||
| Length | 321" | — | — |
| Width | 106" | — | — |
| Height | 138" | — | — |
| Weight | 89,300 lbs | — | — |
| Fuel & Performance | |||
| Fuel Capacity | 165 gal | — | — |
| Pricing | |||
| Typical Price | $756,000 | — | — |
| MSRP From | $700,000 | — | — |
Compare Similar Models
Tractors with similar horsepower ratings for side-by-side comparison.
Frequently Asked Questions
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Get More From Your Komatsu D155AX-8
Owning it is just the start. These guides cover the attachments, upkeep, and equipment that fit this tractor.
Attachment Compatibility
Match implements by hitch, PTO, and hydraulics.
Read guide3-Point Hitch Guide
Categories, pin sizes, and how to attach implements.
Read guidePTO Attachments Guide
How the PTO works and the implements it drives.
Read guideHydraulic Remotes
Add and troubleshoot rear remotes.
Read guideFarm Fuel Storage
Store and transfer diesel on your property.
Read guideFarm Backup Power
Run a PTO generator off this tractor.
Read guide