The PC290LCi-11, Komatsu’s 5th intelligent machine control excavator, is a reliable and versatile solution for various applications. It ensures first-to-last-pass accuracy and eliminates transportation-permit challenges associated with larger machines. Key features include:
- Large high-strength steel castings on the boom, arm, and bucket link.
- Closed-center load-sensing hydraulics for precise and fine control.
- Large displacement high-efficiency pumps for optimal attachment flow.
- Large, spacious, and quiet cab featuring a standard air suspension seat.
Product Features and benefits:
Adaptive to Operator Expertise
The excavator seamlessly adapts to the operator’s experience level through a fully integrated grade assist. This feature automatically traces the target surface, minimizing the risk of over-digging. The built-in facing angle compass ensures precise alignment with the target surface.
Auto Stop Control
To prevent potential damage during boom or bucket operation, the excavator incorporates an auto-stop control mechanism. The machine halts automatically when the bucket edge reaches the designated surface, enhancing operational safety.
Minimum Distance Control
Utilizing Intelligent Machine Control (IMC), the excavator controls the bucket by autonomously selecting the point closest to the target surface. This minimizes operator input, providing heightened accuracy and increased confidence in grading operations.
Critical Precision for Utility Applications
Designed for utility applications demanding utmost precision, the excavator allows operators to input structure details, invert elevations of pipe runs, and automatically calculates the fall of the pipe, ensuring critical precision in utility-focused tasks.
Powerful, Advanced Engine
Equipped with a Tier 4 Final certified Komatsu SAA6D107E-3 engine, excavators featuring IMC 1.0 deliver an environmentally friendly solution without compromising power. The engine includes integrated components such as a diesel particulate filter, hydraulically actuated Komatsu variable geometry turbocharger, and a selective catalytic reduction system.
Stroke Sensing Hydraulic Cylinder
Real-time position feedback is provided to the operator through stroke sensing hydraulic cylinders. This represents an improvement over conventional aftermarket machine guidance systems, offering immediate and stabilized information without the delay associated with tilt sensors.
Robust Undercarriage
Ensuring outstanding stability, the excavator boasts a large counterweight and robust undercarriage components. This configuration enhances overall durability and performance, particularly in challenging operating conditions.
Product Specifications for PC290LCi-11:
Engine:
- Model: Komatsu SAA6D107E-3
- Type: Water-cooled, 4-cycle, direct injection
- Aspiration: Komatsu variable geometry turbocharged, aftercooled, cooled EGR
- Number of cylinders: 6
- Bore: 4.21 in
- Stroke: 4.88 in
- Piston displacement: 408 in³
- Horsepower:
- SAE J1995: Gross 213 HP
- ISO 9249/SAE J1349: Net 196 HP
- Rated rpm: 2,050 rpm
- Fan drive type: Mechanical
- Governor: All-speed control, electronic.
- EPA Tier 4 Final emissions certified
Hydraulics:
- Type: HydrauMind (Hydraulic Mechanical Intelligence New Design) system, closed-center system with load sensing valves and pressure compensated valves
- Number of selectable working modes: 6
- Main pump:
- Type: Variable displacement piston type
- Pumps for Boom, arm, bucket, swing, and travel circuits
- Maximum flow: 126.5 US gpm
- Supply for control circuit: Self-reducing valve
- 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: 4,190 psi
- Pilot circuit: 470 psi
- Hydraulic cylinders:
- Number of cylinders: Bore x Stroke x Rod Diameter
- Boom / 2: 5.5 x 51.2 x 3.9 in
- Arm / 1: 5.9 x 64.3 x 4.3 in
- Bucket / 1: 5.5 x 39.7 x 3.9 in
Drives and Brakes:
- Steering control: Two levers with pedals
- Drive method: Hydrostatic
- Maximum drawbar pull: 56,000 lbs.
- Gradeability: 70%, 35°
- Maximum travel speed (Auto-Shift):
- High: 3.4 mph
- Mid: 2.5 mph
- Low: 1.9 mph
- Service brake: Hydraulic lock
- Parking brake: Mechanical disc brake
Swing System:
- Drive method: Hydrostatic
- Swing reduction: Planetary gear
- Swing circle lubrication: Grease-bathed
- Service brake: Hydraulic lock
- Holding brake/Swing lock: Mechanical disc brake
- Swing speed: 10.5 rpm
- Swing torque: 64,292 ft.-lbs.
Undercarriage:
- Center frame: X-frame
- Track frame: Box-section
- Seal of track: Sealed track
- Track adjuster: Hydraulic
- Number of shoes: 48 each side
- Number of carrier rollers: 2 each side
- Number of track rollers: 8 each side
Sound Performance:
- Exterior – ISO 6395: 104 dB(A)
- Operator – ISO 6396: 70 dB(A)
Coolant & Lubricant Capacity (Refilling):
- Fuel tank: 105.7 US gal
- Coolant: 9.5 US gal
- Engine: 6.1 US gal
- Final drive, each side: 2.1 US gal
- Swing drive: 1.9 US gal
- Hydraulic tank: 34.9 US gal
- Hydraulic system: 66.8 US gal
- DEF tank: 6.1 US gal
Operating Weight (Approximate):
- Triple-Grouser Shoes 28 in:
- Operating Weight: 70,702 lbs.
- Ground Pressure: 7.48 psi
- Triple-Grouser Shoes 31.5 in:
- Operating Weight: 71,540 lbs.
- Ground Pressure: 6.63 psi
- Triple-Grouser Shoes 33.5 in:
- Operating Weight: 72,091 lbs.
- Ground Pressure: 6.28 psi
Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/excavators/mid-size-excavators/pc290lci-11
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