Designed for precision in confined spaces such as roadways, bridges, or urban areas, this excavator with a tight tail swing radius prioritizes exceptional stability. Experience responsive and quick arm speed, coupled with a purpose-built cab to ensure operator comfort.
- Quick and powerful operation
- Impressive fuel efficiency
- Spacious and comfortable cabin
- Designed for exceptional stability
Product Features and benefits:
Short Implement Swing Radius: Achieve greater clearance in limited spaces with a higher boom raise angle, reducing the minimum front implement swing radius. Experience increased versatility compared to standard excavators.
Short Tail Swing Radius: Maximize productivity in confined areas with a short tail swing radius, enabling the machine to operate in tighter spaces compared to conventional excavators.
Maneuverable Cab Design with Sliding Door: Attain high maneuverability with purpose-built cabs that swing within the same radius as the counterweight. The sliding cab door facilitates easy entry and exit in limited spaces.
Stability in Compact Design: Experience exceptional lifting capability and stability with compact counterweights, providing a comfortable and confident operating platform.
Arm Quick Return Valve: Enhance efficiency with the quick return valve, directing additional oil back to the tank when the arm is extended. This feature reduces back pressure and contributes to lower fuel consumption.
Efficient Hydraulic System: Ensure quick response to operator demands with the closed-center loading system (CLSS), improving fuel efficiency. Pilot proportional control (PPC) hydraulics, along with optional proportional joysticks, provide exceptional control for efficient operations.
Product Specifications for PC138USLC-11:
Engine:
- Model: Komatsu SAA4D95LE-7
- Type: Water-cooled, 4-cycle, direct injection
- Aspiration: Variable flow, turbocharged, air-to-air aftercooled
- Number of Cylinders: 4
- Bore x Stroke: 3.74 x 4.53 in
- Piston Displacement: 199 in³
- Horsepower:
- SAE J1995 (Gross): 97.3 HP
- ISO 9249 / SAE J1349 (Net): 97.2 HP
- Rated RPM: 2,050
- Fan at Maximum Speed (Net): 90.9 HP
- Fan Drive Method for Radiator Cooling: Mechanical with viscous clutch
- Governor: All-speed control, electronic
- EPA Tier 4 Final emissions certified
Hydraulics:
- Type: HydrauMind (Hydraulic Mechanical Intelligence) system, closed-center system with load sensing valve and pressure compensated valve
- Number of Selectable Working Modes: 6
- Main Pump:
- Type: Variable capacity piston type
- Pumps for Boom, arm, bucket, swing, and travel circuits
- Maximum Flow: 64 US gpm
- Hydraulic Motors:
- Travel: 2 x piston motor with parking brake
- Swing: 1 x piston motor with swing holding brake
- Relief Valve Setting:
- Implement Circuits: 5,050 psi
- Travel Circuit: 5,050 psi
- Swing Circuits: 4,240 psi
- Pilot Circuit: 470 psi
- Maximum Auxiliary Flow at 3,553 psi: 64 US gpm
- Hydraulic Cylinders:
- Boom / 2: 4.1 x 41.5 x 2.76 in
- Arm / 1: 4.3 x 46.3 x 2.95 in
- Bucket / 1: 3.7 x 34.8 x 2.56 in
Drives and Brakes:
- Steering Control: Two levers with pedals
- Drive Method: Fully hydrostatic
- Maximum Drawbar Pull: 27,560 lbf.
- Gradeability: 70%, 35°
- Maximum Travel Speed:
- High: 3.2 mph
- Low: 1.8 mph
- Service Brake: Hydraulic lock
- Parking Brake: Wet, multiple-disc
Swing System:
- Driven by: Hydraulic motor
- Swing Reduction: Planetary gear
- Swing Circle Lubrication: Grease-bathed
- Swing Lock: Wet, multiple-disc brake
- Swing Speed: 11.0 rpm
- Swing Torque: 21,627 ft.-lbs.
Undercarriage:
- Center Frame: X-leg frame
- Track Frame: Box-section
- 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
Sound Performance:
- Exterior (ISO 6395): 101 dB(A)
- Operator (ISO 6396): 71 dB(A)
Coolant & Lubricant Capacity (Refilling):
- Fuel Tank: 52.8 US gal
- Coolant: 4.6 US gal
- Engine: 3.0 US gal
- Final Drive (Each Side): 0.55 US gal
- Swing Drive: 0.7 US gal
- Hydraulic Tank: 18.2 US gal
- DEF Tank: 3.3 US gal
Operating Weight (Approximate):
- Triple-Grouser:
- 20 in: Operating Weight 34,563 lbs., Ground Pressure 6.57 psi
- 24 in: Operating Weight 35,673 lbs., Ground Pressure 5.49 psi
- 28 in: Operating Weight 35,114 lbs., Ground Pressure 4.77 psi
Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/excavators/mid-size-excavators/pc138uslc-11
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