The backbone of every dozer fleet comprises versatile and powerful machines that are relied upon day after day, year after year. This dozer is purpose-built to fulfill that essential role. Its Tier 4 Final engine and electronically controlled hydrostatic transmission ensure remarkably low fuel consumption without compromising power. The standard parallel link undercarriage system incorporates rotary bushings designed to prolong wear life and reduce repair and maintenance costs. With economy and power modes, as well as a high engine rpm H mode, operators can maintain ground speed even under heavy loads.
- Quickly train new operators
- Transition from mass excavation to finished grading at an accelerated pace
- Seamlessly integrate 3D design data into your machines
- Empower operators for efficient performance, pass after pass
Product Features and benefits:
Learning Efficiency in Action: Experience proactive dozing control that empowers even less experienced operators. The dozer, equipped with innovative technology, automatically cuts or strips from existing terrain. By measuring the tracked terrain and planning subsequent passes, it enhances productivity by up to 60% compared to previous generations.
Automated Fill Spreading: Effortlessly spread fill material with the Lift Layer Control feature. Operators can simply press a button, and the dozer, utilizing tracked terrain data, plans the next pass. Achieve up to double the production output and consistent layers for superior compaction quality.
Efficient Material Leveling: During rough dozing, the Tilt Steering Control automatically tilts the blade, maintaining straight travel and reducing operator steering input by up to 80%.
Quick Surface Creation: Enable quick surface creation with the push of a button. Coupled with other IMC 2.0 functions, your crew can initiate 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 significantly reduces the skill gap between new and experienced operators.
Advanced Machine Control: In specific scenarios like auto-stripping, rough dozing, spreading, or advanced finish grading, operators can opt for nearly 100% machine control auto usage. This includes the application of automatic control without the need for a 3D model.
Adaptable Machine Learning: Automatic functions allow the dozer to learn from the operator’s blade input, resulting in increased adaptability, easier operation, and reduced reliance on operator input.
Exceptional Blade Response: IMC ensures outstanding blade response for finish grading. The dozer anticipates grade transitions, altering the blade angle accordingly to deliver unparalleled grading performance.
Product Specifications for D61EXi-24:
Engine:
- Model: Komatsu SAA6D107E-3
- 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: 4.21 x 4.88 in
- Piston Displacement: 408 in³
- Governor: All-speed and mid-range, electronic
- Horsepower:
- SAE J1995 – Gross: 170 HP
- ISO 9249 / SAE J1349 – Net: 168 HP
- Hydraulic Fan at Maximum Speed: 152 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
- Infinite speed changes up to 9.0 km/h (5.6 mph)
- Variable capacity travel motors
- 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
- Integrated two-stage planetary gear reduction
- Bolt-on sprocket for easy displacement
Steering System:
- PCCS joystick control for all directional movements
- Fully electronic control for smooth operation
- Minimum Turning Radius: 83 in
Undercarriage:
- Suspension: Oscillating-type with equalizer bar and pivot shafts
- Track Roller Frame: Monocoque, large section, durable construction
- Rollers and Idlers: Lubricated track rollers
- Lubricated Tracks: Parallel Link Undercarriage System (PLUS)
- Number of Track Rollers (each side): 8
- Type of Shoes (standard): Single grouser
- Number of Shoes (each side): 46
- Grouser Height: 2.3 in
- Shoe Width (standard): 24 in
- Ground Contact Area: 5,887 in²
- Ground Pressure (with dozer, ROPS canopy): 6.29 psi
- Track Gauge: 6 ft. 3 in
- Length of Track on Ground: 10 ft. 5 in
Service Refill Capacities:
- Coolant: 11.9 US gal
- Fuel Tank: 98.3 US gal
- Engine Oil: 7.2 US gal
- Hydraulic Tank: 26.7 US gal
- Final Drive (each side): 2.2 US gal
- DEF Tank: 5.4 US gal
Operating Weight (Approximate):
- Tractor Weight: 38,911 lbs.
- Operating Weight: 41,094 lbs.
Hydraulic System:
- Closed-center Load Sensing System (CLSS)
- Hydraulic Control Unit: Piston-type hydraulic pump with a capacity of 171 L/min / 45 US gpm at rated engine rpm
- Relief Valve Setting: 3,974 psi
- Hydraulic Cylinders: Double-acting, piston type
- Hydraulic Cylinders / Number of Cylinders / Bore:
- Blade Lift / 2: 4 in
- Blade Tilt / 1: 5 in
- Blade Angle / 2: 4 in
- Hydraulic Oil Capacity (refilling) for Power Angle Tilt Dozer: 26.7 US gal
- Control Valves: 3-spool control valve for Power Angle Tilt dozer with additional control valve required for the ripper positions.
Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/dozers/mid-size-dozers/d61exi-24
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