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Komatsu D61EX-24 Bulldozer Versatile to accomplish any task, the D61EX-24 brings excellent visibility to all your projects. The second-generation mid-size dozer comes with a new H mode that helps operators maintain ground speed while operating under heavy loads.
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. |
| Dimensions | |
|---|---|
| Length | 18’ |
| Width | 8’2” |
| Height | 10’5” |
| Weight | 38,647 lbs. (Tractor) |
| Ground Clearance | 15” |
| Turning Radius | 83" |
| Operating Weight | 40,830 lbs. |
| Fuel Tank Capacity | 98.3 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 | |
|---|---|
| Engine Make | Komatsu |
| Engine Model | SAA6D107E-3* |
| Engine Type | 4-cycle, direct injection |
| Cylinders | 6 |
| Net Horsepower | 168 HP |
| Cooling | Water-cooled |
| Bore x Stroke | 4.21" x 4.88" |
| Speed - Foreward | Quick shift mode: 1st: 0-2.1 MPH 2nd: 0-3.3 MPH 3rd: 0-5.6 MPH Variable: 0-5.6 MPH |
| Speed - Reverse | Quick shift mode: 1st: 0-2.5 MPH 2nd: 0-4 MPH 3rd: 0-5.6 MPH Variable: 0-5.6 MPH |
| Gross Horsepower | 170 HP |
| Governor | All-speed and mid-range, electronic |
| Rated RPM | 2200 rpm |
| Lubrication System | Method: Gear pump, force lubricationn Filter: Full-flow |
| Aspiration | Variable geometry, water-cooled, turbocharged, air-to-air aftercooled, cooled EGR |
| Piston Displacement | 408 in³ |
| Hydraulic Fan | 152 HP |
| Fan Drive Type | Hydraulic |
| Drivetrain | |
|---|---|
| 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. |
| Drive Type | Hydraulic (fan drive type) |
| Track Length | 10’5” (on ground) |
| Track Rollers | 8 per side |
| Roller Type | Lubricated track rollers |
| Ground Pressure | 6.27 PSI |
| Grouser Height | 2.3” |
| Hydraulic | |
|---|---|
| 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 ripper Positions: Ripper lift-Raise, hold, and lower |
| Hydraulic Tank Capacity | 26.7 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” Blade tilt: 1 x 5” Blade angle: 2 x 4” |
| Relief Valve Setting | 3,974 PSI |
| Operational | |
|---|---|
| Blade Width | 10’8” |
| Blade Height | 3’11” |
| Blade Capacity | 4.5 yd³ |
| Blade Tilt | Right, hold, and left |
| 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 control. The PCCS utilizes shift buttons to increase and decrease speed. |
| Ripper | Lift: Raise, hold, and lower |
| Blade Lift | Raise, hold, lower, and float |
| Blade Angle | Right, hold, and left |
| Shoes | 46 each side |
| Shoe Width | 24” |
| Shoe Type | Single Grouser |
| Track Gauge | 6’3” |
| Ground Contact | 5,887 in² |
*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.
