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Komatsu D39PX-24 Bulldozer
Excellent blade visibility meets operator comfort in the D39PX-24. The PX crawler dozer is ideal for grading or earth moving projects with reduced ground pressure for better balance and an additional fast-blade mode for improved high-speed grading.
Parallel Link Undercarriage System (PLUS): Designed to wear evenly so the machine provides close to 100% usage of undercarriage components, Komatsu PLUS undercarriage lowers undercarriage maintenance costs by up to 40% over a conventional undercarriage. Strengthened rollers and links increase wear life up to two times.
PAT dozer with adjustable pitch: Expand your productivity and gain more versatility in a variety of applications with a power angle tilt (PAT) dozer blade with adjustable blade pitch system.
Exceptional blade visibility: An innovative super-slant nose design provides excellent blade visibility for improved machine control and increased efficiency and productivity.
HST with electronic control: Fully electronic control provides complete automatic shifting and enables smooth control. Equipped with Komatsu-designed HST, this machine allows for Quick-Shift or variable speed selection.
Easy-access maintenance features: A swing-up fan with a gas strut-assisted lift system provides easy access to the radiator, oil cooler and charge air cooler. The hydraulic fan has a reversing fan for cleaning any objects that are restricting air flow.
Palm command control system lever: Designed for your operator’s comfort and ease of use, the ergonomic, low-effort palm command control system (PCCS) joystick controls all directional movements, including machine travel speed, as well as counter-rotation.
|Weight||20,150 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||22,817 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||17 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
3rd: 0.53 MPH
|Speed - Reverse||1st: 0-2.5 MPH
2nd: 0-4.0 MPH
3rd: 0-5.3 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)
|Track Number||6 per side|
|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||17.0 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||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.