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Komatsu D39PXi-24 Bulldozer
If you want a dozer that’s equally at home performing heavy site prep and accurate fine work, this model is an excellent choice. Powered by a fuel efficient, environmentally friendly EPA Tier 4 Final certified engine, it offers your operators a quiet, comfortable cab that provides unrivaled blade visibility. It’s engineered to get jobs done quickly and accurately with its outstanding blade response, fast work equipment speed, an additional “fast-blade mode” that boosts blade speed for high-speed grading, and surprising maneuverability via full power to both tracks during turns or counter rotation steering.
Learns as it works: With proactive dozing control, even your less experienced operators can automatically cut/strip from existing terrain. The dozer measures the terrain it tracks over and uses that data to plan the next pass. Can improve productivity by up to 60% versus previous generation.
Spreads fill material automatically: Lift layer control automatically lets your operators spread fill from existing terrain with the press of a button. The dozer measures the terrain it tracks over and uses the data it gathers to plan the next pass. Attain up to double your production and achieve consistent layers for compaction quality.
Levels material even during rough dozing: Tilt steering control automatically tilts the blade to maintain straight travel during rough dozing. Reduces operator steering input by up to 80%.
Quick surface creation: Operators can create a temporary design surface with the press of a button. Combined with other iMC 2.0 functions, your crew can begin stripping or spreading using automated input while waiting for the finish grade model.
Close the operator skill gap: Machine logic allows the dozer to continuously learn the terrain and make calculated decisions for the next pass. Intelligent Machine Control helps lessen the skill gap between new and experienced operators.
Advanced machine control: In select situations — auto stripping, rough dozing, spreading, advanced finish grading — operators can opt for nearly 100% machine control auto usage. They can even apply automatic control without having a 3D model.
A machine that learns from the operator: Automatic functions give the dozer the ability to learn from operator's blade input, resulting in more adaptability, easier operation and less reliance on operator input.
Outstanding blade response for finish grading: To deliver unparalleled grading performance, iMC enables the dozer to look ahead at grade transitions and alter the blade angle accordingly.
|Weight||20,282 lbs. (Including ROPS cab, U frame for power angle tilt dozer, rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment)|
|Operating Weight||22,950 lbs. (Including power angle tilt dozer, ROPS cab, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank)|
|Fuel Tank Capacity||50.2 US gal|
|Hydraulic Capacity||15.8 US gal|
|Frame Type||Track Roller: Monocoque, large section, durable construction|
|Coolant||9.0 US gal|
|Final Drive||In-shoe mounted, axial-piston-type travel motors, with integrated two-stage planetary gear reduction. Compact, in-shoe mount reduces risk of damage by debris. Bolt-on sprocket ring with triple labyrinth seal design.|
|Engine Type||4-cycle, Direct Injection|
|Net Horsepower||105 HP|
|Bore x Stroke||3.75" x 4.52"|
|Speed - Foreward||1st: 0-2.1 MPH
2nd: 0-3.5 MPH
|Speed - Reverse||1st: 0-2.5 MPH
2nd: 0-4.0 MPH
|Gross Horsepower||107 HP|
|Rated RPM||2200 rpm|
|Lubrication System||Method: Gear pump, force lubrication
|Aspiration||Variable flow, turbocharged, air-to-air aftercooled|
|Piston Displacement||199 in³|
|Fan Drive Type||Hydraulic|
|Tracks||Sealed and lubricated track: Track tension is easily adjusted w/grease gun|
|Track Length||7’8” (on ground)|
|Roller Type||Lubricated track rollers|
|Ground Pressure||4.39 PSI (Narrow)
3.98 PSI (Wide)
|Control Valve||3-spool control valve for Power Angle Tilt dozer
Blade lift: Raise, hold, lower and float
Blade tilt: Right, hold, and left
Blade angle: Right, hold, and left
Additional control valve required for ripper
Ripper lift: Raise, hold and lower
|Hydraulic Tank Capacity||17 US gal|
|Hydraulic System||Closed-Center Load Sensing System (CLSS) designed for precise and responsive control, and for efficient simultaneous operation.|
|Hydraulic Cylinders||Double-acting, piston type|
|Number of Cylinders||Number of cylinders x bore
Blade lift: 2 x 3”
Blade tilt: 1 x 3.5”
Blade angle: 2 x 3.2”
|Relief Valve Setting||3,974 psi|
|Blade Width||10’8” (Standard Blade)
9’9” (Narrow Blade)
|Blade Capacity||3.14 yd³ (Standard Blade)
2.90 yd³ (Narrow Blade)
|Blade Tilt||Right, hold, and left|
|Steering||Palm Command Control System (PCCS) joystick control for all directional movements. Pushing the joystick forward results in forward machine travel, while pulling it back reverses the machine. Simply tilt the joystick to the left or right to make a turn. Tilting the joystick fully to the left or right activates counter-rotation.
Hydrostatic Transmission (HST) provides smooth, powerful turns. Fully electronic control enables smooth control that can be adjusted in the monitor. The PCCS utilizes shift buttons to increase and decrease speed.
|Ripper||Ripper lift: Raise, hold and lower|
|Blade Lift||Raise, hold, lower, and float|
|Shoes||39 per side|
|Shoe Width||25” (Narrow)
|Shoe Type||Single grouser|
|Ground Contact||4,616 in² (Narrow)
5,110 in² (Wide)
*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.