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Excavators
PC138US-11
Mid-size excavators
- Engine power (HP) 97
- Engine power (kW) 72.5
- Bucket capacity (m^3) 0.53
- Bucket capacity (yd^3) 0.69
- Operating weight (kg) 15500
- Operating weight (lbs) 34171
When you need high productivity and plenty of digging power in confined spaces, our PC138US-11 excavator – now powered by a Komatsu low emission Tier 4-Compliant engine – is the perfect choice. As with all our construction excavators, key components are designed and manufactured by Komatsu to work together in an integrated package. And it comes standard with our Komtrax remote monitoring and location system, backed by our Australia-wide service and support network.
Resources
Features and benefits
Short tail swing radius
Short tail swing radius of the PC138US-11 allows the machine to work in more confined areas than a conventional machine.
Fuel consumption reduced
Fuel consumption is reduced up to 9% using a temperature controlled viscous fan clutch and improved engine and hydraulic system efficiencies.
Tier 4 Final Engine
New regulations require the reduction of NOx emissions to one tenth or below from the preceding regulations. Komatsu has deployed a new Selective Catalytic Reduction (SCR) device for use in the PC138US-11
Specifications
- Full specs
- Drive method: Fully hydrostatic
- Holding brake/Swing lock: Wet, multiple-disc brake
- Service brake: Hydraulic lock
- Swing circle lubrication: Grease-bathed
- Swing reduction: Planetary gear
- Swing speed (rpm): 11
- Swing torque (kg-m): 2991
- Swing torque (ft-lbs): 21635.5
- Driven by: Hydraulic motor
- HydrauMind Type: HydrauMind System
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Main pump
- Maximum flow (L/min): 242
- Maximum flow (US gpm): 63.92
- Pumps for: Boom, arm, bucket, swing, and travel circuits
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Relief valve setting
- Implement circuits (kgf/cm^2): 355
- Implement circuits (MPa): 34.81
- Implement circuits (psi): 5050.27
- Travel circuit (psi): 5050
- Swing circuit (psi): 4238
- Swing: 1 x piston motor with swing holding brake
- Swing circuit (kgf/cm^2): 298
- Swing circuit (MPa): 29.2
- Travel: 2 x piston motor with parking brake
- Travel circuit (MPa): 34.8
- Travel circuit (kgf/cm^2): 355
- Pilot circuit (kgf/cm^2): 33
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Hydraulic cylinders
- Arm (Number of cylinders – bore x stroke x rod diameter)(mm): 1 - 110 x 1175 x 75
- Arm (Number of cylinders – bore x stroke x rod diameter)(in): 4.33 x 46.26 x 2.95
- Aspiration: Variable flow, turbocharged, air-to-air aftercooled
- Engine model: Komatsu SAA4D95LE-7
- Fan drive method for radiator cooling: Mechanical with viscous clutch
- Piston displacement (in^3): 198.93
- Piston displacement (L): 3.26
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Horsepower
- ISO 9249 / SAE J1349 - Net (HP): 97.18
- ISO 9249 / SAE J1349 - Net (kW): 72.5
- SAEJ1995 - Gross (HP): 97
- SAEJ1995 - Gross (kW): 72.6
- Coolant (US gal): 4.68
- Coolant (L): 17.7
- Hydraulic tank (L): 69
- Hydraulic tank (US gal): 18.23
- Swing drive (US gal): 0.66
- Swing drive (L): 2.5
- Engine (US gal): 3.04
- DEF tank (US gal): 3.33
- Fuel tank (L): 200
- Engine (L): 11.5
- DEF tank (L): 12.6
- Gradeability: 0.7
- Parking brake: Wet, multiple-disc brake
- Maximum drawbar pull (kgf): 12500
- Center frame: X-frame leg
- Number of carrier rollers (each side): 1
- Number of shoes (each side): 43
- Number of track rollers (each side): 7
- Track frame: Box-bathed
- Track adjuster: Hydraulic
- Bucket crowd force - ISO (kgf): 9500
- Arm crowd force - ISO (kgf): 6300
- Swing radius (in): 78
- Maximum reach at ground level (mm): 8180
- Digging depth - maximum (mm): 5480
- Maximum reach at ground level (in): 322.1
- Arm size (m) and type: 2.5 standard
- Swing radius (mm): 1980
- Boom size (m) and type: 4.6 standard
- Overall track width (mm): 2490
- Overall track width (in): 98
- Pilot circuit (kgf/cm^3): 33
Tier 4 Engine KDPF Regeneration
As the technology of diesel engines has progressed from Tier 3 to Tier 4 Final, design aspects of the engines have been fine-tuned to comply with regulations to cover regulated diesel engine exhaust pollutants.
The result is that these new diesel engines are cleaner than ever before, and in many cases more fuel efficient too. Along with this comes the need to properly manage and maintain these new generation of machines to make sure that operating costs are minimised.
