Komatsu D155CX-8 Crawler Dozer Engineered in collaboration with leading pipeline companies, the D155CX-8 sets the industry standard with its impressive 170,000-pound lift capacity and a traditional oval track design. Tailored to meet the demands of extensive pipeline projects, this crawler dozer delivers exceptional stability and performance.
- Stability Redefined: The D155CX-8 boasts excellent stability, thanks to its traditional oval track undercarriage. This design ensures optimal balance, making it a reliable choice for large-scale pipeline jobs.
- Impressive Performance and Lift Capacity: With a remarkable 170,000-pound lift capacity, this crawler dozer is engineered for high-performance operations. It excels in handling the challenges posed by gas and oil projects.
- Tailored for Pipe Handling: The draw works package and boom options are meticulously designed to handle pipes up to 36 inches in diameter, offering specialized capabilities for pipeline construction and maintenance.
- Enhanced Maneuverability: Featuring a 14% larger steering motor compared to the D155AX-8 base model dozer, the D155CX-8 ensures improved maneuverability, allowing for precise control in varying job site conditions.
Elevate your pipeline projects with the specialized capabilities of the D155CX-8 crawler dozer – a testament to Komatsu’s commitment to innovation and industry collaboration.
Product Features and Benefits:
1. Longer Track on Ground:
- Extended track roller frames and wider track gauge for a solid foundation in pipelayer applications.
- Large 9-inch track pitch undercarriage designed for pipe lifting.
2. Purpose-Built Structures:
- Exceptional structural strength with a new front bumper and integrated towing pin.
- Extended main frame with a non-oscillating hard bar, all drawworks mounts factory integrated.
3. Drawworks Package:
- Custom-designed winches built to Komatsu specifications.
- Excellent hook speed, boom, and counterweight control for precision pipework or handling large loads.
4. Easy Machine Access:
- Integrated left/right front steps, left access ladder, and left/right rear walkways for easy access.
5. Transport Storage Bracket:
- Integrated load block transport storage bracket for easier disassembly and assembly during shipping.
6. Integrated ROPS Cab:
- Standard enclosed ROPS cab with auto climate control.
- Large cab windows and skylight viewing area for a comfortable operator environment in various climates.
7. Three-Camera System:
- Standard front, rear, and right-side cameras for improved situational awareness.
8. Hydrostatic Steering System (HSS):
- All-directional Palm Command Control System lever controls for smooth, quick, and powerful steering.
- 14% larger steering motor than the D155AX-8 base model for improved steering power and maneuverability.
9. Precision Single Joystick Drawworks Control:
- Single joystick control for load line, boom, and counterweight, providing precise load control.
10. Cold Weather Operation:
- Designed for cold weather with large capacity batteries and engine air intake heater grid.
- Provisions for easy installation of engine oil and coolant heaters.
11. Iridium Satellite Communications:
- High-quality satellite data communications for Komtrax pipelayer telematics in remote areas.
- Komtrax data provided free for the life of the machine.
12. Advanced Diagnostic System:
- Continuous monitoring of machine operation and vital systems.
- Identifies machine issues, assists with troubleshooting, and minimizes downtime.
Product Specifications for D155CX-8 K170:
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 radiator cooling fan: 320 HP
- EPA Tier 4 Final emissions certified
TORQFLOW Transmission:
- 3-speed TORQFLOW transmission
- Water-cooled, 3-element, 1-stage, 1-phase, torque converter
- Planetary gear, multiple-disc clutch transmission
- Gearshift lock lever and neutral safety switch
- Travel speed:
- 1st Gear forward: 2.4 mph
- 1st Gear reverse: 2.9 mph
- 2nd Gear forward: 3.5 mph
- 2nd Gear reverse: 4.2 mph
- 3rd Gear forward: 7.2 mph
- 3rd Gear reverse: 8.7 mph
Final Drives:
- Double-reduction, spur and planetary final drives
- Segmented sprockets for easy in-the-field replacement
Steering System:
- PCCS lever controls for all directional movements
- Hydrostatic steering system (HSS)
- Wet, multiple-disc, pedal-controlled service brakes
- Gearshift lock lever applies parking brakes
Undercarriage:
- Suspension: Fixed roller, non-oscillating track frame
- Track roller frame: Monocoque, high-tensile-strength steel construction
- Track type: Sealed and lubricated
- Track shoe: Moderate service with clipped grouser
- Shoe width: 32 in
- Shoes per side: 48
- Track gauge: 94.5 in
- Length of track on the ground: 154 in
- Ground contact area: 10,990 in²
- Ground pressure: 11.0 psi
- Track rollers per side: 9
- Carrier rollers per side: 2
- Grouser height: 3.1 in
- Link pitch: 9.0 in
Hydraulic System:
- Closed-center load sensing system (CLSS)
- Variable piston pump with capacity of 85.9 US gal for steering and 84.6 US gal for implement at rated engine rpm
- Relief valve setting for implement: 3,980 psi
- Relief valve setting for steering: 5,550 psi
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 (tank only): 25.1 US gal
- Hydraulic oil capacity (system): 35 US gal
- Boom Winch Case (gearbox): 6.3 US gal
- Hook Winch Case (gearbox): 4.1 US gal
Component Weights:
- Counterweight total weight: 13,380 lbs.
- Counterweight section quantity: 11
- Weight per section: 11 @ 1,217 lbs.
- Boom 24′ standard: 3,781 lbs.
- Boom 28′ optional: 4,249 lbs.
- Counterweight frame: 4,146 lbs.
- Counterweight yoke: 1,400 lbs.
- Boom block and load block: 1,556 lbs.
Pipelaying Equipment:
- Boom length standard: 24′
- Boom length optional: 28′
- Boom parting lines: 5
- Hook line partings: 6
- Hook low speed raise: 28 – 42.8 FPM
- Hook high-speed raise: 63.3 – 76.6 FPM
- Hook free fall: Yes
- Boom winch drum diameter: 10″
- Boom winch drum width: 11″
- Boom winch drum cable capacity: 247′
- Boom winch drum rope diameter: 0.75″
- Hook winch drum diameter: 10″
- Hook winch drum width: 17″
- Hook winch drum cable capacity: 499′
- Hook winch drum rope diameter: 0.75″
Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/dozers/large-dozers/d155cx-8
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