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New Komatsu D71EX-24 Bulldozer for Sale Versatile enough to accomplish rough dozing to grading, Komatsu’s largest hydrostatic transmission dozer H mode helps operators maintain ground speed while operating under heavy loads. Distinctive slant nose design offers operators exceptional visibility and precision on the job site.
Outstanding visibility for your operators: Outstanding visibility to the cutting edges and excellent balance and maneuverability with a super-slant nose cab-forward design. Smooth shifting and control: Smooth, powerful turns with hydrostatic steering. Fully electronic control provides complete automatic shifting and allows for Quick-Shift or variable speed selection. Choose the right mode for the job: In P mode, the engine outputs its full power to help your operator perform heavy-load work. It automatically increases engine speed for maximum power when load increases. H mode increases engine high idle speed, suitable for power-intensive work. Versatile and productive adjustable blade: Flexibility to adapt to various situations and the ability to be efficient and productive regardless of the terrain with a versatile 6-way PAT (power angle tilt) blade pitch system. Easy-access maintenance features: Easy access to the radiator, oil cooler and charge air cooler with swing-up assisted lift system. Hydraulic fan reverses for clearing objects restricting air flow. Rear-mounted single-plane cooling system swings up for fast service. Long-lasting undercarriage: 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. Ready for low ground pressure needs: To provide your operation with even more versatility and adaptability, the D71 is available with an optional 36-inch wide shoe for low ground pressure applications. Comfortable, ergonomic controls: 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 and counter-rotation. Bluetooth/USB-compatible radio: To help maximize operator comfort and connectivity, the D71 comes with standard Bluetooth AM/FM radio and additional AUX and USB connection capability. Built to offer you outstanding versatilityVersatile enough to accomplish rough dozing to grading, Komatsu’s largest hydrostatic transmission dozer H mode helps operators maintain ground speed while operating under heavy loads. Distinctive slant nose design offers operators exceptional visibility and precision on the job site.
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Dimensions | |
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Length | 229” |
Width | 112” |
Height | 131” |
Ground Clearance | 1’4” |
Turning Radius | 10’2” |
Operating Weight | 49,824 lbs. |
Fuel Tank Capacity | 116 US Gallons |
Hydraulic Capacity | 40.7 US Gallons |
Frame Type | Track Roller: Monocoque, large section, durable construction |
Final Drive | In-shoe mounted axial piston type travel motors with integrated two-stage planetary gear reduction. Compact in-shoe mount can reduce risk of damage by debris. Bolt-on sprocket for easy displacement. |
Engine | |
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Engine Make | Komatsu |
Engine Model | SAA6D114E-6 |
Engine Type | 4-cycle, direct injection |
Cylinders | 6 |
Net Horsepower | 237 HP |
Cooling | Water-cooled |
Bore x Stroke | 4.5” x 5.7” |
Speed - Foreward | Quick shift mode: 1st: 0-2.4 MPH 2nd: 0-4 MPH 2.5th: 0-5.2 MPH 3rd: 0-6.8 MPH Variable: .5-6.8 MPH |
Speed - Reverse | Quick shift mode: 1st: 0-2.8 MPH 2nd: 0-4.7 MPH 2.5th: 0-5.8 MPH 3rd: 0-6.8 MPH Variable: 0.5-6.8 MPH |
Gross Horsepower | 240 HP |
Governor | All-speed and mid-range, electronic |
Rated RPM | 2100 RPM |
Lubrication System | Method: Gear pump, force lubrication Filter: Full-flow |
Aspiration | Komatsu Variable Geometry Turbocharged, air-to-air aftercooled, cooled EGR |
Piston Displacement | 540 in³ |
Hydraulic Fan | 213 HP |
Fan Drive Type | Hydraulic |
Drivetrain | |
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Tracks | Lubricated tracks: Parallel Link Undercarriage System (PLUS) with lubricated rotating bushings for extended system wear life and lower maintenance costs. Track tension is adjusted easily with grease gun. |
Track Length | 10’8.9” (on ground) |
Track Rollers | 8 per side |
Roller Type | Lubricated track rollers |
Ground Pressure | 6.3 PSI |
Grouser Height | 2.6” |
Hydraulic | |
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Control Valve | 3-spool control valve for Power Angle Tilt dozer Positions: Blade lift-Raise, hold, lower, and float Blade tilt-Right, hold and left Blade angle-Right, hold and left Additional control valve required for scarifier Positions: Scarifier lift-Raise, hold, and lower |
Hydraulic Tank Capacity | 40.7 Gallons |
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 x Bore Blade lift: 2 x 4.7” Blade tilt: 1 x 5.1” Blade angle: 2 x 4.3” |
Number of Cylinders | Blade lift (2): 4.7” Blade tilt (1): 5.1” Blade angle (2): 4.3” |
Relief Valve Setting | 4,177 PSI |
Operational | |
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Blade Width | 12’8” |
Blade Height | 4’2” |
Blade Capacity | 5.8 yd³ |
Suspension | Oscillating-type with equalizer bar and pivot shafts |
Steering | PCCS joystick control for all directional movements. Pushing the joystick forward results in forward machine travel, while pulling it backward 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. HST eliminates steering clutches and brakes, providing smooth, powerful turns. Fully electronic control enables smooth operation. The PCCS utilizes shift buttons to increase and decrease speed. |
Shoes | 45 on each side |
Shoe Width | 24” |
Shoe Type | Single grouser |
Track Gauge | 7’3” |
Ground Contact | 43 ft² |
*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.
New Equipment Sales only available in assigned territories where Kirby-Smith Machinery, Inc. is a licensed distributor. Not all manufacturer's brands available at each location. Please contact your local Kirby-Smith branch if you have questions regarding availability.
Main Technical Specifications | |
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MAKE | Komatsu |
MODEL | D71EX-24 |
Do you want to know if renting makes more economical sense?
Call us and find out today.