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Specifications

• 2024 Komatsu Excavators PC170LC-11
• Year2024
• ManufacturerKomatsu
• Model NameExcavators
• Trim NamePC170LC-11
• Generic Type (Primary)Medium
• EngineModel: SAA4D107E-3
• Engine ManufacturerKomatsu
• CoolingWater-cooled | Fan drive method for radiator cooling: Mechanical with viscous fan clutch
• Cylinder Liners4
• Bore4.21 in | Hydraulic cylinders Boom: 4.3 in | Hydraulic cylinders Arm: 4.7 in | Hydraulic cylinders Bucket: 4.1 in
• Stroke4.88 in | Hydraulic cylinders Boom: 46.3 in | Hydraulic cylinders Arm: 52.8 in | Hydraulic cylinders Bucket: 40.4 in
• DisplacementPiston: 272 in³
• Engine PowerISO 9249 / SAE J1349: 121 HP | Fan at maximum speed: 114 HP
• Rated Engine Speed2,100 rpm
• Engine Type4-cycle,
• AspirationVariable Geometry Turbocharger (VGT), aftercooled, cooled EGR
• LubricationSwing circle lubrication: Grease-bathed
• Engine Torque, MaximumSwing torque: 31,314 ft.-lbs.
• Motor
• Motor TypeTravel: 2 x piston motor with parking brake | Swing: 1 x axial piston motor with swing holding brake
• Fuel System
• Fuel Injectiondirect
• Drivetrain
• GovernorAll-speed control, electronic
• Steeringcontrol: Two levers with pedals
• Drive Systemmethod: Fully hydrostatic | Swing System method: Hydraulic motor
• Brakes
• Brake System TypeHydraulic lock | Swing brake: Hydraulic lock | Swing lock: Mechanical disc brake
• Parking BrakeMechanical disc
• Operational
• Operating ConditionsGradeability: 70%, 35° | Maximum drawbar pull: 35,164 lbf.
• Operating SpeedHigh: 3.4 mph | Low: 1.9 mph | Swing: 12.0 rpm
• Ground PressureTriple-Grouser 24 in: 6.36 psi | Triple-Grouser 28 in: 5.51 psi | Triple-Grouser 31.5 in: 4.87 psi | Heavy Counterweight Triple-Grouser 24 in: 6.56 psi | Heavy Counterweight Triple-Grouser 28 in: 5.69 psi | Heavy Counterweight Triple-Grouser 31.5 in: 5.03 psi
• Performance
• Noise LevelExterior – ISO 6395: 99 dB(A) | Operator – ISO 6396: 68 dB(A)
• Hydraulics
• Pump TypeVariable capacity piston type | Pumps for: Boom, arm, bucket, swing, and travel circuits
• Hydraulic FlowMaximum flow: 78.7 US gpm | Maximum Auxiliary Flow at 3,553 psi: 64 US gpm
• Relief Valve SettingImplement circuits: 5,450 psi | Travel circuit: 5,400 psi | Swing circuit: 4,195 psi | Pilot circuit: 470 psi
• Frame TypeCenter frame: X-frame leg | Track frame: Box-section
• DimensionsHydraulic cylinders Boom (rod diameter): 3.0 in | Hydraulic cylinders Arm (rod diameter): 3.3 in | Hydraulic cylinders Bucket (rod diameter): 2.8 in
• Capacities
• Fuel CapacityEngine: 4.8 US gal | tank: 79.25 US gal | Final drive (each side): 1.43 US gal | Swing drive: 1.2 US gal | DEF tank: 7.81 US gal
• Hydraulic Capacity32.0 US gal
• Cooling SystemRadiator: 7.21 US gal
• Weights
• Weight, In Running OrderTriple-Grouser 24 in: 40,717 lbs. | Triple-Grouser 28 in: 41,157 lbs. | Triple-Grouser 31.5 in: 41,597 lbs. | Heavy Counterweight Triple-Grouser 24 in: 42,015 lbs. | Heavy Counterweight Triple-Grouser 28 in: 42,455 lbs. | Heavy Counterweight Triple-Grouser 31.5 in: 42,895 lbs.
• FeaturesSwing reduction: Planetary gear | Number of shoes (each side): 44 | Number of carrier rollers (each side): 2 | Number of track rollers (each side): 7
• Track TypeSealed | adjuster: Hydraulic