For your large-scale projects, the Komatsu dozer is a powerhouse with 350+ horsepower, substantial blade capacity featuring semi-U and full U blades, automatic lockup torque converter, and a low drive K-bogie suspended undercarriage designed for maximum traction and a smooth ride during dozing or ripping.
- Get new operators up to speed quickly
- Go from mass excavation to finished grading faster than ever
- Fully integrate 3D design data into your machines
- Empower operators to work efficiently, pass after pass
Product Features and benefits:
Bridging Operator Skill Gaps
Machine intelligence is harnessed to narrow the skill gap among operators, as the dozer’s logic continuously learns from the terrain, making informed decisions for the next pass. Intelligent Machine Control plays a pivotal role in minimizing the disparity between novice and seasoned operators.
Elevated Machine Control
In specific scenarios—such as auto-stripping, rough dozing, spreading, and advanced finish grading—operators have the option to embrace nearly 100% machine control. Even without a 3D model, they can seamlessly apply automatic control, showcasing advanced machine control capabilities.
Learning Dozer Dynamics
Automatic functions empower the dozer to learn from the operator’s blade input. This results in heightened adaptability, simplified operation, and reduced dependence on constant operator input.
Exceptional Blade Precision
IMC technology enables the dozer to anticipate grade transitions, proactively adjusting the blade angle. This ensures outstanding grading performance, setting a benchmark for precision and efficiency.
Product Specifications for D155AXi-8:
Engine:
- Model: Komatsu SAA6D140E-7
- Type: 4-cycle, water-cooled, direct injection
- Aspiration: Komatsu Variable Geometry Turbocharged, air-to-air aftercooled, cooled EGR
- Number of Cylinders: 6
- Bore x Stroke: 5.51 x 6.50 in
- Piston Displacement: 930 in³
- Governor: Mid-range, electronic
- Horsepower:
- SAE J1995 – Gross: 360 HP
- ISO 9249 / SAE J1349* – Net: 354 HP
- Rated RPM: 1,900 rpm
- Fan Drive Type: Hydraulic
- Lubrication System:
- Method: Gear pump, force lubrication
- Filter: Full-flow
- *Net horsepower at the maximum speed of the radiator cooling fan: 320 HP
- EPA Tier 4 Final emissions certified
TORQFLOW Transmission:
- Automatic TORQFLOW transmission
- Water-cooled, 3-element, 1-stage, 1-phase, torque converter with lockup clutch
- Planetary gear, multi-disc clutch transmission
- Hydraulically actuated and force-lubricated for optimum heat dissipation
- Equipped with a gearshift lock lever and neutral safety switch
- Travel Speed:
- 1st Gear Forward: 2.4 mph, Reverse: 2.9 mph
- 2nd Gear Forward: 3.5 mph, Reverse: 4.2 mph
- 3rd L Gear Forward: 4.7 mph, Reverse: 5.7 mph
- 3rd Gear Forward: 7.2 mph, Reverse: 8.7 mph
Final Drives:
- Double-reduction, spur, and planetary final drives increase tractive effort
- Segmented sprockets are bolt-on for easy in-the-field replacement
Steering System:
- Palm Command Control System (PCCS) lever controls for all directional movements
- Hydrostatic Steering System (HSS) powered by steering planetary units and an independent hydraulic pump and motor
- Counterrotation turns are available
- Wet, multiple-disc, pedal-controlled service brakes are spring-actuated and hydraulically released
- Gear shift lock lever also applies the parking brake
- Minimum Turning Radius: 7 ft. 0 in
Undercarriage:
- Suspension: Oscillation-type with equalizer bar and forward-mounted pivot shafts
- Track Roller Frame: Monocoque, high-tensile-strength steel construction
- K-Bogie undercarriage
- Lubricated track rollers are resiliently mounted on the track frame with a bogie suspension system
- Oscillating motion cushioned by rubber pads
- Track Shoes: Lubricated tracks with unique dust seals
- Number of Shoes (Each Side): 42
- Grouser Height: 3.1 in
- Shoe Width (Standard/Maximum): 24 in / 28 in
- Ground Contact Area: 6,193 in²
- Ground Pressure (Tractor Only): 11.6 psi
- Number of Track Rollers (Each Side): 7
- Number of Carrier Rollers (Each Side): 2
Service Refill Capacities:
- Fuel Tank: 165 US gal
- Coolant: 27.5 US gal
- Engine Oil: 9.8 US gal
- Damper: 0.4 US gal
- Transmission, Bevel Gear, and Steering System: 23.8 US gal
- Final Drive (Each Side): 8.2 US gal
- DEF Tank: 10.3 US gal
- Hydraulic Oil Capacity: 25.1 US gal
Hydraulic System:
- Closed-center load sensing system (CLSS) for precise and responsive control
- Hydraulic Control Unit:
- All spool control valves externally mounted beside the hydraulic tank
- Variable piston pump with a capacity (discharge flow) of 85.9 US gal for steering and 47.6 US gal for the implement at the rated engine rpm
- Relief Valve Setting:
- For Implement: 3,980 psi
- For Steering: 5,550 psi
- Control Valves:
- Spool control valve for SIGMADOZER and Semi-U tilt dozer with additional control valve required for the variable digging angle multi-shank ripper and giant ripper
- Positions: Blade lift (Raise, hold, lower, and float), Blade tilt (Right, hold, and left)
- Hydraulic Cylinders:
- Number of Cylinders / Bore:
- Blade Lift (2): 4.33 in
- Blade Tilt (1): 6.30 in
- Ripper Lift (1): 7.09 in
- Ripper Tilt (1): 7.87 in
- Number of Cylinders / Bore:
- Hydraulic Oil Capacity (Refill):
- SIGMADOZER: 25.1 US gal
- Semi-U tilt dozer: 25.1 US gal
- Ripper Equipment (Additional Volume):
- Multi-shank ripper: 9.8 US gal
- Giant ripper: 9.8 US gal
Operating Weight:
- Tractor Weight: 72,223 lbs.
- Operating Weight: 90,610 lbs.
- Ground Pressure: 14.6 psi
Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/dozers/large-dozers/d155axi-8
Do you have one of these or similar for sale? Please click here start to list your machine for sale today.
