Komatsu D61PX-23 Crawler Dozer



Unrivaled Blade Visibility: The D61EX/PX-23 incorporates Komatsu’s super-slant nose design. Komatsu’s innovative design provides excellent blade visibility for improved machine control and increased efficiency and productivity.

Environment-Friendly Engine: The Komatsu SAA6D107E-2 engine is EPA Tier 4 Interim and EU Stage 3B emissions certified and provides exceptional performance while reducing fuel consumption. Based on Komatsu proprietary technologies developed over many years, this new diesel engine reduces exhaust gas particulate matter (PM) by more than 90% and nitrogen oxide (NOx) by more than 45%, compared to Tier 3 levels. Through the in-house development and production of engines, electronics, and hydraulic components, Komatsu has achieved great advancements in technology providing high levels of performance and efficiency in virtually all applications.

Advanced Electronic Control System: The engine control system has been upgraded to effectively manage a variety of parameters such as the air flow rate, EGR gas flow rate, fuel injection parameters, and aftertreatment functions. The new control system also provides enhanced diagnostic capabilities.

New HST Technology: The D61-23 incorporates new proprietary engine and hydrostatic transmission pump control technology to improve operational efficiency and reduce fuel consumption to levels lower than a conventional HST control system can obtain. This Komatsu exclusive feature reduces fuel consumption by up to 10% in P mode in demanding working conditions and up to 20% in E mode under lighter load conditions as compared to the prior model. Powerful turns under various work conditions are achieved with the new HST transmission, even under load. Counter-rotation is available for minimum turning radius, providing excellent maneuverability in tight spots.

Variable and New Customizable Quickshift Modes: The D61-23 offers two gearshift modes: Variable and the new Customizable Quick shift. Variable shift mode provides 20 incremental speed settings for the operator, while the new Customizable Quick shift provides 3 speed settings; all can be adjusted in the monitor to obtain the right speed for different operator preferences.

KDPF Regeneration Notification: The LCD color monitor panel provides the operator with the status of the KDPF regeneration without interfering with daily operation. When the machine initiates active regeneration, an icon will notify the operator.

Selectable Working Mode: Working mode E is for general dozing applications with adequate speed and power while reducing fuel consumption and CO2. Working mode P is aimed at powerful operation and maximum production. The working mode is easily switched on the monitor panel, depending on the work at hand.

E mode (Economy mode)
With E mode, the engine outputs enough power for most general dozing applications without delivering unnecessary power. This mode allows for energy saving operation and is suitable for work on ground where the machine may experience shoe slip or applications not requiring large power such as downhill dozing, leveling and light-load work.

P mode (Power mode)
With P mode, the engine outputs its full power, allowing the machine to perform large production, heavy-load, or uphill work.

Power Angle Tilt (PAT) Dozer With Adjustable Pitch: A Power Angle Tilt dozer blade with highly durable boxstructure frame is available for the EX and PX machines. The hydraulic blade tilt and angling functions and manually adjustable blade pitch expand versatility and productivity in a variety of applications. This PAT dozer assembly is tested to stringent test standards.

ECO Guidance:
In order to support to optimum operation, the following 4 recommendations are displayed to improve fuel saving operation:
1) Avoid Excessive Engine Idling
2) Use Economy Mode to Save Fuel
3) Avoid Hydraulic Relief Pressure
4) Avoid Overload
The operator can access the ECO guidance menu to check the Operation Records, Eco Guidance Records, and Average Fuel Consumption logs.

Rear View Monitoring 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.

Palm Command Control System (PCCS) Travel Joystick : Palm command travel joystick provides the operator with a relaxed posture and superb fine control. Transmission shifting is simplified with thumb push buttons.

Electronic Controlled Hydraulic System EPC Blade Control Joystick: Blade control joystick uses the EPC valve and joystick, similar to the travel control joystick. EPC control combined with the highly reliable Komatsu hydraulic system enables superb fine control. A switch is now used to angle the PAT blade. A button to activate float is also provided.

New Air Suspension Seat: A new higher capacity lowback heated seat with headrest is now standard. The new seat has many adjustments to accomodate different operators comfortably.

Parallel Link Undercarriage System PLUS: Komatsu's new Parallel Link Undercarriage System (PLUS) provides less downtime plus longer wear life 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.

Modular Design: One of the design goals behind the creation of the D61 was to manufacture a more durable machine. This was achieved by reducing component complexity and using a strong modular design for increased serviceability and durability. Steel castings reduce the number of welds, improving C-frame rigidity and strength.
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Komatsu D61PX-23 Crawler Dozer

Category: Dozers
Manufacturer: Komatsu


The low ground pressure D61PX-23 is fully hydrostatic and comes standard with a parallel link undercarriage system for long undercarriage live. The new hydrostatic transmission pump control technology improves efficiency and reduces fuel consumption by up to 20% in Economy mode.

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