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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


Model Komatsu SAA6D125E-7*
Type Water-cooled, 4-cycle, direct injection
Aspiration Komatsu Variable Geometry Turbocharger with air-to-air aftercooled EGR
Number of cylinders 6
Bore 4.92 in
Stroke 5.91 in
Piston displacement 674 in³
SAE J1995 : Gross 362 HP
ISO 9249/SAE J1349 : Net 359 HP
Rated rpm 1,900 rpm
Governor All-speed control, electronic.
Fan drive method for radiator cooling Hydraulic
*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 for Boom, arm, bucket, swing, and travel circuits
Type Variable displacement axial piston type
Maximum flow 206 US gpm

Hydraulic motors

Travel 2 x axial piston motor with parking brake
Swing 1 x axial piston motor with swing holding brake

Relief valve setting

Implement circuits 5,400 psi
Travel circuit 5,400 psi
Swing circuit 4,050 psi
Pilot circuit 470 psi
Hydraulic cylinders:

Hydraulic cylinders

Number of cylinders Bore x Stroke x Rod Diameter
Boom / 2 6.3 x 61.8 x 4.3 in
Arm / 1 7.3 x 71.7 x 4.7 in
Bucket / 1 6.3 x 50 x 4.3 in


Steering control Two levers with pedals
Drive method Hydrostatic
Maximum drawbar pull 73,880 lbs.
Gradeability 70%

Maximum travel speed: (Auto-Shift)

High 3.4 mph
Mid 2.6 mph
Low 1.9 mph
Service brake Hydraulic lock
Parking brake Mechanical disc brake


Drive method Hydrostatic motor
Swing reduction Planetary gear
Swing circle lubrication Grease-bathed
Service brake Hydraulic lock
Holding brake/Swing lock Mechanical disc brake
Swing speed 9.0 rpm
Swing torque 97,024 ft.-lbs.


Center frame X-frame
Track frame Box-section
Track type Sealed
Track adjuster Hydraulic
Number of shoes 49 each side
Number of carrier rollers 2 each side
Number of track rollers 8 each side


Fuel tank 172 US gal
Coolant 12.4 US gal
Engine 10.0 US gal
Final drive, each side 2.9 US gal
Swing drive 5.3 US gal
Hydraulic tank 65.5 US gal
Diesel Exhaust Fluid (DEF) tank 10.3 US gal

OPERATING WEIGHT (approximate)

Fixed Gauge:
Shoes 28 in
Operating Weight 105,670 lbs.
Ground Pressure 10.38 psi
Shoes 31.5 in
Operating Weight: 106,770 lbs.
Ground Pressure 9.20 psi
Shoes 35.5 in
Operating Weight: 107,850 lbs.
Ground Pressure 8.32 psi
Variable Gauge:
Shoes 28 in
Operating Weight 108,040 lbs.
Ground Pressure 10.61 psi
Shoes 31.5 in
Operating Weight: 109,140 lbs.
Ground Pressure 9.40 psi
Shoes 35.5 in
Operating Weight: 110,220 lbs.
Ground Pressure 8.50 psi