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Komatsu D61PXi-24 MID-SIZE DOZERS

Komatsu D61PXi-24 MID-SIZE DOZERS

BladeCapacityMax:
4.98
BladeCapacityMin:
4.98
Horsepower:
168 @2200 rpm
OperatingWeightMax:
43167
OperatingWeightMin:
43167
View Complete Details

Product Feature

Cab Top GNSS Antenna

No blade mounted GNSS antenna(s), cables to worry about damaging with cab top GNSS antenna. Reduced risk of theft due to low visibility as viewed from ground level.

Comfortable Ride with Heated Operator Seat

The operator seat has adjustable lumbar support, tilt and an electric heater. It is easy to adjust to the operator's shape. Also, the standard seat heat makes it possible to work comfortably in the winter.

Easy Maintenance

Planned maintenance and daily checks are the only way to ensure long service life from equipment. That’s why Komatsu designed the D61EX/PX-24 with conveniently located maintenance points to make necessary inspec-tions and maintenance quick and easy.

Electronic Controlled Hydraulic System

The electronic controlled, palm commanded joystick provides precise blade control. New blade angling switch operation provides easier and predictable blade control.

Fuel Efficiency

The HST control system can reduce fuel consumption.

Heavy-Duty Aftertreatment System

This new system combines a Komatsu Diesel Particulate Filter (KDPF) and Selective Catalytic Reduction (SCR). The SCR NOx reduction system injects the correct amount of DEF at the proper rate, transforming NOx into non-toxic water (H2O) and nitrogen gas (N2).

Heavy-Duty Cooled Exhaust Gas Recirculation (EGR) System

The system recirculates a portion of exhaust gas into the air intake and lowers combustion temperatures, thereby reducing NOx emissions. EGR gas flow has been decreased for Tier 4 Final with the addition of SCR technology. The system achieves a dynamic reduction of NOx, while helping reduce fuel consumption below Tier 4 Interim levels.

Heavy-Duty High-Pressure Common Rail (HPCR) Fuel Injection System

The system is designed to achieve an optimal injection of high-pressure fuel by means of computerized control, providing close-to- complete combustion to reduce PM emissions. The system uses high pressure injection, thereby reducing both PM emissions and fuel consumption over the entire range of engine operating conditions. The Tier 4 Final engine has advanced fuel injection timing for reduced fuel consumption and lower soot levels.

Komatsu Auto Idle Shutdown

Komatsu auto idle shutdown automatically shuts the engine down after idling for a set period of time to reduce unnecessary fuel consumption and exhaust emissions. The amount of time before the engine is shutdown can be easily programmed from 5 to 60 minutes.

Komatsu Variable Geometry Turbocharger (KVGT) system

The KVGT system features proven Komatsu design hydraulic technology for variable control of air-flow and supplies optimal air according to load conditions. It provides better exhaust temperature management. The Tier 4 final version has an improved propeller design for increased performance.

Multi-Monitor with Troubleshooting Function to Minimize Down Time

Various meters, gauges and warning functions are centrally arranged on the multi-monitor. The monitor simplifies start-up inspection and promptly warns the operator with a lamp and buzzer if any abnormalities occur. In addition, countermeasures are indicated in 4 levels to help prevent major machine problems. Replacement times for required PM services are also indicated.

Parallel Link Undercarriage System (PLUS)

Komatsu's new PLUS provides less downtime, plus longer wear with up to 40% lower undercarriage maintenance costs. Rotating bushings eliminate the cost and downtime for bushing turns, and strengthened rollers and links increase wear life up to two times. With PLUS, individual links can be replaced with common track tools.

PAT Dozer with Adjustable Pitch

A power angle power tilt dozer blade with adjustable blade pitch system is available. This blade is available for the D61EXi/PXi-24 machines. The hydraulic blade tilt, angling function (and manually adjustable blade pitch) expand versatility and productivity in a variety of applications.

PCCS

The low-effort PCCS joystick controls all directional movements, including machine travel speed as well as counter-rotation.

Rear view monitor system

On the large LCD color monitor, the operator can view, through one camera, areas directly behind the machine. This camera can be synchronized with reverse operation.

Selectable Working Mode

P mode is the mode designed for powerful operation and maximum production. E mode is designed for general dozing applications providing adequate speed and power while  saving energy. For fuel reduction and energy saving, the monitor panel allows the operator to easily switch the  working mode, depending on the work at hand.

Stroke Sensing Hydraulic Cylinders

Robust stroke sensing hydraulic cylinders employ proven Komatsu sensor technologies for accurate finish grade performance. Stroke sensing angle cylinder allows machine control system to know the angle of the blade.

Unrivaled Blade Visibility

The D61EXi/PXi-24 incorporates Komatsu's super-slant nose design. Komatsu's innovative design provides excellent blade visibility for improved machine control and increased efficiency and productivity.

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 107 mm x 124 mm 4.21" x 4.88"
Piston displacement 6.69 ltr 408 in³
Governor
All-speed and mid-range, electronic
Horsepower:

SAE J1995 - Gross 127 kW 170 HP
ISO 9249 / SAE J1349 - Net 125 kW 168 HP
Rated rpm
2200 rpm
Fan drive type
Hydraulic
Lubrication system:

Method
Gear pump, force lubricationn
Filter
Full-flow
*EPA Tier 4 Final emissions certified    

Final Drive

In-shoe mounted axial piston type travel motors with integrated two-stage planetary gear reduction. Compact in-shoe mount reduces risk of damaged by debris. Bolt-on sprocket for easy displacement.

Hydraulic System

Closed-center Load Sensing System (CLSS) designed for precise and responsive control, and for efficient simultaneous operation.

Hydraulic control unit:
All spool control valves externally mounted remote to the hydraulic tank. Piston-type hydraulic pump with capacity (discharge flow) of 171 ltr/min / 45 U.S. gal/min at rated engine rpm.

Hydrostatic Transmission

Dual-path, hydrostatic transmission provides infinite speed changes up to 9.0 km/h 5.6 mph. The variable capacity travel motors allow the operator to select the optimum speed to match specific jobs. Travel control lock lever and neutral switch.

Operating Weight (APROXIMATE)

Tractor weight:
Including ROPS cab, U frame for power angle tilt dozer, rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment.
D61PXi-24 18440 kg 40,653 lb
Operating weight:
Including Power Angle Tilt dozer, ROPS cab, operator, standard equipment, rated capacity of lubricant, hydraulic control unit, coolant, and full fuel tank.
D61PXi-24 19580 kg 43,167 lb

Service Refill Capacities

Coolant 45 ltr 11.9 U.S. gal
Fuel tank 372 ltr 98.3 U.S. gal
Engine oil 27 ltr 7.2 U.S. gal
Hydraulic tank 101 ltr 26.7 U.S. gal
Final drive (each side) 8.1 ltr 2.2 U.S. gal
DEF tank
20.6 ltr
5.4 U.S. gal

Steering System

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.

Product Parameter

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 107 mm x 124 mm 4.21" x 4.88"
Piston displacement 6.69 ltr 408 in³
Governor
All-speed and mid-range, electronic
Horsepower:

SAE J1995 - Gross 127 kW 170 HP
ISO 9249 / SAE J1349 - Net 125 kW 168 HP
Rated rpm
2200 rpm
Fan drive type
Hydraulic
Lubrication system:

Method
Gear pump, force lubricationn
Filter
Full-flow
*EPA Tier 4 Final emissions certified    

Relief valve setting 27.4MPa
280 kg/cm²
3,974 psi
Hydraulic cylinders
Double-acting, piston type
Hydraulic cylinders: Number of cylinders Bore
Blade lift 2 100 mm 4"
Blade tilt 1 120 mm 5"
Blade angle 2 110 mm 4"
Hydraulic oil capacity (refilling):

Power angle tilt dozer 101 ltr 26.7 U.S. gal
Control valves:

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

Travel speed (quick shift mode)* Forward Reverse
1st 0-3.4 km/h
0-2.1 mph
0-4.1 km/h
0-2.5 mph
2nd 0-5.6 km/h
0-3.5 mph
0-6.5 km/h
0-4.0 mph
3rd 0-9.0 km/h
0-5.6 mph
0-9.0 km/h
0-5.6 mph
Travel speed (variable mode) 0-9.0 km/h
0-5.6 mph
0-9.0 km/h
0-5.6 mph
*Quick shift speeds are adjustable in the monitor.


Tractor weight:
Including ROPS cab, U frame for power angle tilt dozer, rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment.
D61PXi-24 18440 kg 40,653 lb
Operating weight:
Including Power Angle Tilt dozer, ROPS cab, operator, standard equipment, rated capacity of lubricant, hydraulic control unit, coolant, and full fuel tank.
D61PXi-24 19580 kg 43,167 lb

Coolant 45 ltr 11.9 U.S. gal
Fuel tank 372 ltr 98.3 U.S. gal
Engine oil 27 ltr 7.2 U.S. gal
Hydraulic tank 101 ltr 26.7 U.S. gal
Final drive (each side) 8.1 ltr 2.2 U.S. gal
DEF tank
20.6 ltr
5.4 U.S. gal

Minimum turning radius
2.3 m 91"

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) with lubricated rotating bushings for extended system wear life and lower maintenance costs. Track tension is easily adjusted with grease gun.
Number of track rollers (each side)
8
Type of shoes (standard)
Single grouser
Number of shoes (each side)
46
Grouser height 57.5 mm 2.3"
Shoe width (standard) 860 mm 34"
Ground contact area 54440 cm² 8,438 in²
Ground pressure
(with dozer, ROPS canopy):
35.0 kPa
0.36 kgf/cm²
5.12psi
Track gauge 2130 mm 7'0"
Length of track on ground 3165 mm 10'4"

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