This dozer stands out as the “Swiss Army knife” for versatile applications, easily adapting to various situations from golf course construction to highway projects. Engineered for precise, high-speed grading, its standard parallel link undercarriage system incorporates rotating bushings to reduce undercarriage wear, especially during high-speed reverse travel. The Tier 4 Final engine and electronically controlled hydrostatic transmission ensure remarkably low fuel consumption for a dozer of this power. The high-capacity, high-wear-resistant, HST dozer blade is designed to efficiently move massive loads.
- Quickly train new operators
- Accelerate from mass excavation to finished grading
- Seamlessly integrate 3D design data into your machines
- Empower operators for efficient performance, pass after pass
Product Features and benefits:
Continuous Learning Capability: With proactive dozing control, even operators with limited experience can effortlessly cut or strip from existing terrain. The dozer utilizes terrain data gathered during tracking to plan subsequent passes, potentially increasing productivity by up to 60% compared to the previous generation.
Automated Fill Spreading: The lift layer control feature enables automatic spreading of fill material with a simple button press. The dozer analyzes tracked terrain data to plan the next pass, allowing operators to achieve double production and consistent layers for compaction quality.
Efficient Material Leveling: Tilt steering control automatically adjusts the blade to maintain straight travel during rough dozing, significantly reducing operator steering input by up to 80%.
Quick Surface Creation: Operators can swiftly create a temporary design surface with the push of a button. This, combined with other IMC 2.0 functions, allows the crew to commence stripping or spreading using automated input while awaiting the finish grade model.
Closing the Skill Gap: Machine logic enables continuous learning of the terrain, making calculated decisions for the next pass. Intelligent Machine Control contributes to narrowing the skill gap between new and experienced operators.
Advanced Machine Control Options: In specific situations such as auto stripping, rough dozing, spreading, and advanced finish grading, operators can choose nearly 100% machine control auto usage. They can even apply automatic control without the need for a 3D model.
Adaptable Machine Learning: Automatic functions empower the dozer to learn from the operator’s blade input, resulting in increased adaptability, easier operation, and reduced reliance on direct operator input.
Exceptional Blade Response for Finish Grading: IMC facilitates outstanding grading performance by allowing the dozer to anticipate grade transitions and adjust the blade angle accordingly, ensuring unparalleled finish grading.
Product Specifications for D51PXi-24:
Engine:
- Model: Komatsu SAA4D107E-3*
- Type: 4-cycle, water-cooled, direct injection
- Aspiration: Variable geometry, water-cooled, turbocharged, air-to-air aftercooled
- Number of cylinders: 4
- Bore x stroke: 4.21 x 4.88 in
- Piston displacement: 275 in³
- Governor: All-speed, electronic
- Horsepower:
- SAE J1995 – Gross: 133 HP
- ISO 9249 / SAE J1349 – Net: 131 HP
- Hydraulic fan at maximum speed – Net: 122 HP
- Rated rpm: 2,200 rpm
- Fan drive type: Hydraulic
- Lubrication system:
- Method: Gear pump, force lubrication
- Filter: Full-flow
- *EPA Tier 4 Final emissions certified
Hydrostatic Transmission:
- Dual-path, hydrostatic transmission provides infinite speed changes up to 5.6 mph.
- Travel speed (quick shift mode):
- Forward: 0–2.1 mph, Reverse: 0–2.5 mph
- Forward: 0–3.5 mph, Reverse: 0–4.0 mph
- Forward: 0–5.6 mph, Reverse: 0–5.6 mph
- Travel speed (variable mode): 0–5.6 mph
- Final drive: In-shoe mounted, axial-piston-type travel motors, with integrated two-stage planetary gear reduction.
- Steering system: Palm Command Control System (PCCS) joystick control for all directional movements. Hydrostatic Transmission (HST) provides smooth, powerful turns. Fully electronic control.
Undercarriage:
- Suspension: Rigid type
- Track roller frame: Monocoque, large section, durable construction
- Rollers and idlers: Lubricated track rollers
- Sealed & lubricated track: Track tension easily adjusted w/grease gun
- Number of track rollers (each side): 7
- Type of shoes (standard): Single grouser
- Number of shoes (each side): 44
- Grouser height: 2.2 in
- Shoe width (standard): 28 in
- Ground contact area: 6,042 in²
- Ground pressure (with dozer, ROPS cab): 4.64 psi
- Track gauge: 6 ft. 2 in
- Length of track on the ground: 9 ft. 0 in
Service Refill Capacities:
- Coolant: 9.8 US gal
- Fuel tank: 71.3 US gal
- Engine oil: 4.2 US gal
- Hydraulic tank: 17 US gal
- Final drive (each side): 1.5 US gal
- Diesel Exhaust Fluid (DEF) tank: 5.42 US gal
Operating Weight (Approximate):
- Tractor weight: 27,492 lbs. (Including ROPS cab, U frame for Power Angle Tilt (PAT) dozer, etc.)
- Operating weight: 31,438 lbs. (Including Power Angle Tilt (PAT) dozer, ROPS cab, etc.)
Hydraulic System:
- Closed-Center Load Sensing System (CLSS) for precise and responsive control.
- Hydraulic control unit: Piston-type hydraulic pump with a capacity of 26 US gpm.
- Relief valve setting: 3,974 psi
- Hydraulic cylinders: Double-acting, piston type
- Hydraulic oil capacity (refill) for Power Angle Tilt dozer: 17 US gal
- Control valves: 3-spool control valve for power angle tilt dozer, additional control valve required for ripper.
Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/dozers/small-dozers/d51pxi-24
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