2023 Komatsu Excavators PC138USLC-11
- Year 2023
- Make Komatsu
- Model Excavators
- Engine Model: SAA4D95LE-7
2023 Komatsu Excavators PC138USLC-11
Stability and power for tight spacesBuilt for working in tight spaces like roadways, bridges or urban areas, this tight tail swing radius excavator is designed for exceptional stability, with responsive quick arm speed and a purpose-built cab for operator comfort.
Features may include:
- Quick and powerful
- Impressive fuel efficiency
- Spacious and comfortable
- Designed for exceptional stability
- Get greater clearance when space is limited with a higher boom raise angle than our standard excavator that reduces the minimum front implement swing radius.
- Get more done in confined areas with the short tail swing radius that allows the machine to work in more spaces than our conventional excavator.
- High maneuverability is achieved through the purpose-built cabs that swings within the same radius as the counterweight. The sliding cab door allows operators to easily enter and exit when space is limited.
- The compact counterweights provide exceptional lifting capability and stability providing a comfortable, confident operating experience.
- Help improve efficiency with the quick return valve that directs additional oil through a second line directly back to the tank when the arm is extended, helping to reduce back pressure and fuel consumption.
Engine
Engine Manufacturer
Komatsu
Engine
Model: SAA4D95LE-7
Engine Type
Water-cooled, 4-cycle, direct injection
Aspiration
Variable flow, turbocharged, air-to-air aftercooled
Cylinder Liners
4
Bore
3.74 in
Stroke
4.53 in
Displacement
199 in³
Engine Power
SAE J1995 / Gross: 97.3 HP | ISO 9249 / SAE J1349 / Net: 97.2 HP | Fan at maximum speed /Net: 90.9 HP
Rated Engine Speed
Rated: 2,050 rpm
Cooling
Fan drive method for radiator cooling: Mechanical with viscous clutch
Motor
Motor Type
Hydraulic motors Travel: 2 x piston motor with parking brake | Hydraulic motors Swing: 1 x piston motor with swing holding brake
Drivetrain
Governor
All-speed control, electronic
Steering
control: Two levers with pedals
Drive System
method: Fully hydrostatic | Swing Driven by: Hydraulic motor
Brakes
Brake System Type
Hydraulic lock
Parking Brake
Wet, multiple-disc
Operational
Operating Conditions
Maximum drawbar pull: 27,560 lbf. | Gradeability: 70%, 35° | Swing torque: 21,627 ft.-lbs.
Operating Speed
Maximum travel speed: High: 3.2 mph / Low: 1.8 mph | Swing: 11.0 rpm
Ground Pressure
Triple-Grouser 20 in: 6.57 psi | Triple-Grouser 24 in: 5.49 psi | Triple-Grouser 28 in: 4.77 psi
Performance
Noise Level
Exterior – ISO 6395: 101 dB(A) | Operator – ISO 6396: 71 dB(A)
Hydraulics
Hydraulic Type
HydrauMind (Hydraulic Mechanical Intelligence) system, closed-center system with load sensing valve and pressure compensated valve | Number of selectable working modes: 6
Pump Type
Main pump: Type: Variable capacity piston type / Pumps for: Boom, arm, bucket, swing, and travel circuits
Hydraulic Flow
Maximum flow: 64 US gpm | Maximum Auxiliary Flow at 3,553 psi: 64 US gpm
Maximum Pressure
Implement circuits: 5,050 psi | Travel circuit: 5,050 psi | Swing circuits: 4,240 psi | Pilot circuit: 470 psi
Chassis
Frame Type
Center frame: X-leg frame | Track frame: Box-section
Dimensions
Bore
Hydraulic cylinders/Number of cylinders: (Boom / 2: 4.1 in | Arm / 1: 4.3 in | Bucket / 1: 3.7 in)
Stroke
Hydraulic cylinders/Number of cylinders: (Boom / 2: 41.5 in | Arm / 1: 46.3 in | Bucket / 1: 34.8 in)
Dimensions
Hydraulic cylinders/Number of cylinders rod diameter: (Boom / 2: 2.76 in | Arm / 1: 2.95 in | Bucket / 1: 2.56 in)
Capacities
Fuel Capacity
tank: 52.8 US gal | Engine: 3.0 US gal | Final drive, each side: 0.55 US gal | Swing drive: 0.7 US gal | DEF tank: 3.3 US gal
Cooling System
4.6 US gal
Hydraulic Capacity
tank: 18.2 US gal
Weights
Weight, In Running Order
Triple-Grouser 20 in: 34,563 lbs. | Triple-Grouser 24 in: 35,673 lbs. | Triple-Grouser 28 in: 35,114 lbs.
Features
Features
Swing reduction: Planetary gear | Swing circle lubrication: Grease-bathed | Swing lock: Wet, multiple-disc brake | Track type: Sealed track | Track adjuster: Hydraulic | Number of shoes: 46 each side | Number of carrier rollers: 2 each side | Number of track rollers: 8 each side