Home / Komatsu PC490 Excavator

Komatsu PC490 Excavator

A Komatsu PC490 excavator is a large, heavy-duty piece of construction equipment that is commonly used in a variety of industrial and commercial applications. This powerful machine is designed to dig, excavate, and move large amounts of dirt, rock, and other materials with ease. One of the key features of the Komatsu PC490 Excavator is its digging capabilities.

The excavator is equipped with a large bucket that can be used to dig and move large amounts of soil and other materials. The bucket is attached to the end of a long arm, which is controlled by the operator from the cab of the machine. This allows the operator to easily maneuver the bucket into tight spaces and position it exactly where it needs to be to complete the job.

The Komatsu PC490 Excavator is also highly maneuverable and easy to operate. The machine is equipped with a variety of controls and gauges that allow the operator to easily navigate and control the excavator. The cab of the machine is also designed to be comfortable and ergonomic, providing the operator with a clear view of the work area and easy access to the controls.

Komatsu PC490 Excavator


long reach

Long Reach Arms

The HAWK Long Reach Arms Package is an excellent addition to any standard excavator for deep foundation excavation, industrial demolition, deeper or more precise dredging, large digging projects, barge unloading, tank cleaning, and for any.. read more

HAWK Excavator Amphibious Undercarriage

Amphibious  Undercarriage

The HAWK Amphibious Undercarriage is an excavator that you can use in inaccessible places. Install our amphibious undercarriage and tracks package and easily be able to dredge and excavate from land, sea, or swamp,.. read more


RTK GPS Dredge & Dig System

The HAWK RTK GPS Dredge & Dig System is an efficient and accurate dredging equipment and you always know where you’re dredging with our new RTK GPS system that can be attached to a dredge.. read more


HAWK Hydraulic Breaker Hammer

Hydraulic Breaker Hammers

The HAWK hydraulic breaker hammer is essential in mining, demolitions, excavations, and quarries as it chips away large boulders and concrete structures. Most contractors prefer using the hydraulic hammer breaker because of its high performance,.. read more

HAWK General Duty Bucket

General Rock Buckets

HAWK Excavator general rock buckets is made for light-duty operations like loading, excavation, and earthmoving gravel, loose rock, sand, and earth. This skid steer digging bucket is also ideal for the large-capacity workload like deep earth.. read more

HAWK Clamshell Bucket

HAWK Capacity Clamshell Buckets

The HAWK excavator clamshell bucket and rotating clamshell bucket is best for dredging and material re-handling. These clamshell buckets are capable of picking up 1 y³ of material. The rotating clamshell bucket 360-degrees of rotation… read more
HAWK Mechanical Grapple

Mechanical Grapple

HAWK’s mechanical grapple is an excellent alternative to excavator buckets, converting the latter into machines fit for demolition site cleanups, sorting trash, and handling loose materials. HAWK offers different sizes and models to match any kind of excavator tasks you have on-site. 


Komatsu Large displacement high efficiency pump

Large displacement high efficiency pump

Large displacement hydraulic implement pumps provide high flow output at lower engine RPM, operation at the most efficient engine speed.

Komatsu Closed-center load-sensing hydraulic system

Closed-center load-sensing hydraulic system

Smooth operation, quick cycle times, great multi-function, while lowering fuel consumption from closed-center load-sensing hydraulic system.

Komatsu - Built for strength<br />

Komatsu PC210 Excavator is Built for strength

Equipment designed for long-term durability with high resistance to bending and torsional stress. Booms and arms are constructed with thick plates of high tensile strength streel and designed with large cross-sectional areas.

Komatsu - Cleaner emissions

Cleaner emissions

A heavy-duty aftertreatment system that combines a Komatsu Diesel Particulate Filter (KDPF) and selective catalytic reduction (SCR). The system injects the correct amount of diesel exhaust fluid at the proper rate, decomposing nitrogen oxide.

Komatsu - Easy access

Easy access

Engine oil check and filter locations integrated into one side to allow easier maintenance access.

Komatsu - Advanced ergonomic design

Advanced ergonomic design

Wide spacious cab includes a heated air suspension seat with reclining backrest. Seat height and position are easily adjusted using a pull-up lever. Armrest position easily adjusted with the console.

Komatsu - Information at your fingertips

Information at your fingertips

Updated, large, high-resolution LCD color monitor to ease accurate and smooth work. Key machine information displayed in user-friendly interface, rearview camera and DEF level gauge display added to default main screen.

Komatsu - Rollover protection

Rollover protection

A ROPS cab that conforms to ISO 12117-2 comes as standard equipment. It also satisfies requirements for level 1 operator protective guard (OPG) and top guard (ISO 10262).

Komatsu - Multi-operator productivity

Multi-operator productivity

An operator identification ID can be set up for each operator and used to manage operation information of individual machines using Komtrax data. Data can analyze operation status by operator and by machine.

Komatsu - Reduce fuel consumption

Reduce fuel consumption

Auto idle shutdown automatically shuts the engine down after idling for a set period to reduce unnecessary fuel consumption and exhaust emissions. Time before engine is shutdown can be programmed from 5 to 60 minutes.

Komatsu - Designed for durability

Designed for durability

Large heavy-duty revolving frame guards and swivel guard help protect vital components from damage and debris build-up.

Komatsu - Ease of maintenance and serviceability

Ease of maintenance and serviceability

Provide a convenient and more secure work area in front of the engine. A new step provides easier access for filling the AdBlue/DEF tank.


download specs here DOWNLOAD


ModelKomatsu SAA6D125E-7*
TypeWater-cooled, 4-cycle, direct injection
AspirationKomatsu Variable Geometry Turbocharger with air-to-air aftercooled EGR
Number of cylinders6
Bore4.92 in
Stroke5.91 in
Piston displacement674 in³
SAE J1995 : Gross362 HP
ISO 9249/SAE J1349 : Net359 HP
Rated rpm1,900 rpm
GovernorAll-speed control, electronic.
Fan drive method for radiator coolingHydraulic
*EPA Tier 4 Final emissions certified


Type: HydrauMind (Hydraulic Mechanical Intelligence) system, closed-center system with load sensing valve and pressure compensated valves, 6 selectable working modes

Main pump

Pumps forBoom, arm, bucket, swing, and travel circuits
TypeVariable displacement axial piston type
Maximum flow206 US gpm

Hydraulic motors

Travel2 x axial piston motor with parking brake
Swing1 x axial piston motor with swing holding brake

Relief valve setting

Implement circuits5,400 psi
Travel circuit5,400 psi
Swing circuit4,050 psi
Pilot circuit470 psi
Hydraulic cylinders:

Hydraulic cylinders

Number of cylindersBore x Stroke x Rod Diameter
Boom / 26.3 x 61.8 x 4.3 in
Arm / 17.3 x 71.7 x 4.7 in
Bucket / 16.3 x 50 x 4.3 in


Steering controlTwo levers with pedals
Drive methodHydrostatic
Maximum drawbar pull73,880 lbs.

Maximum travel speed: (Auto-Shift)

High3.4 mph
Mid2.6 mph
Low1.9 mph
Service brakeHydraulic lock
Parking brakeMechanical disc brake


Drive methodHydrostatic motor
Swing reductionPlanetary gear
Swing circle lubricationGrease-bathed
Service brakeHydraulic lock
Holding brake/Swing lockMechanical disc brake
Swing speed9.0 rpm
Swing torque97,024 ft.-lbs.


Center frameX-frame
Track frameBox-section
Track typeSealed
Track adjusterHydraulic
Number of shoes49 each side
Number of carrier rollers2 each side
Number of track rollers8 each side


Fuel tank172 US gal
Coolant12.4 US gal
Engine10.0 US gal
Final drive, each side2.9 US gal
Swing drive5.3 US gal
Hydraulic tank65.5 US gal
Diesel Exhaust Fluid (DEF) tank10.3 US gal

OPERATING WEIGHT (approximate)

Fixed Gauge:
Shoes28 in
Operating Weight105,670 lbs.
Ground Pressure10.38 psi
Shoes31.5 in
Operating Weight:106,770 lbs.
Ground Pressure9.20 psi
Shoes35.5 in
Operating Weight:107,850 lbs.
Ground Pressure8.32 psi
Variable Gauge:
Shoes28 in
Operating Weight108,040 lbs.
Ground Pressure10.61 psi
Shoes31.5 in
Operating Weight:109,140 lbs.
Ground Pressure9.40 psi
Shoes35.5 in
Operating Weight:110,220 lbs.
Ground Pressure8.50 psi

Frequently Asked Questions

What are the specifications of the Komatsu PC490 excavator?
The Komatsu PC490 excavator, also referred to as the PC490 Komatsu, is a powerful and versatile machine designed for heavy-duty excavation and construction projects. Key specifications of the PC490 include an operating weight ranging from 105,670 LBS to 110,220 LBS, a number of shoes are 49 each side, and a maximum travel speed is 3.4 mph. Equipped with a 362 horsepower engine and advanced hydraulic systems, the PC490 delivers exceptional performance and productivity.Can you recommend compatible attachments for the Komatsu PC490 excavator?

Can you recommend compatible attachments for the Komatsu PC490 excavator?
A variety of attachments are compatible with the Komatsu PC490 excavator, enhancing its versatility and efficiency on the job site. Common attachments include buckets, hydraulic breakers, thumbs, grapples, compactors, and rippers. These attachments are specifically designed to perform various tasks such as excavation, material handling, demolition, and compaction. Our team can provide tailored recommendations based on your project requirements and the capabilities of your PC490 excavator.

How does the weight of the PC490 Komatsu excavator impact its performance and operation?
The weight of the PC490 Komatsu excavator, which typically ranges from 105,670 LBS to 110,220 LBS, significantly influences its performance and operation. The machine’s weight affects stability, lifting capacity, and fuel efficiency. Operating the PC490 within its specified weight limits is crucial for safe and efficient operation on the job site. Our experts can offer guidance on maximizing the performance of your PC490 excavator while minimizing the risk of overloading or strain on the machine.

What maintenance is required for the Komatsu PC490 excavator?
Regular maintenance is essential for maintaining the optimal performance and longevity of the Komatsu PC490 excavator. Follow the manufacturer’s recommended maintenance schedule, which includes checking fluid levels, inspecting hydraulic components, greasing pivot points, and replacing filters and fluids as needed. Additionally, routine inspections should be conducted for signs of wear or damage, and any issues should be addressed promptly to prevent further damage or safety hazards.

Can I use third-party attachments with my Komatsu PC490 excavator?
While Komatsu offers a range of high-quality attachments specifically designed for the PC490 excavator, third-party attachments may also be compatible. However, it’s essential to ensure that third-party attachments meet safety standards and specifications outlined by Komatsu for use with the PC490. Our team can provide guidance on selecting reputable third-party attachments and verifying compatibility with your excavator to ensure safe and efficient operation.

How do I find more information about the specifications and capabilities of the Komatsu PC490 excavator?
For detailed information about the specifications and capabilities of the Komatsu PC490 excavator, refer to the manufacturer’s website or product brochure. You can also consult with our team of experts, who can provide additional insights and recommendations based on their extensive knowledge and experience with Komatsu excavators and attachments.