2023 Komatsu Excavators PC170LC-11
- Year 2023
- Make Komatsu
- Model Excavators
- Engine Model: SAA4D107E-3
2023 Komatsu Excavators PC170LC-11
2023 Komatsu Excavators PC170LC-11
Engine
Engine Manufacturer
Komatsu
Engine
Model: SAA4D107E-3
Engine Type
Water-cooled, 4-cycle, direct injection
Aspiration
Variable Geometry Turbocharger (VGT), aftercooled, cooled EGR
Cylinder Liners
4
Bore
4.21 in
Stroke
4.88 in
Displacement
272 in³
Engine Power
ISO 9249 / SAE J1349: 121 HP | Fan at maximum speed: 114 HP
Rated Engine Speed
Rated: 2,100 rpm
Cooling
Fan drive method for radiator cooling: Mechanical with viscous fan clutch
Motor
Motor Type
Hydraulic motors Travel: 2 x piston motor with parking brake | Hydraulic motors Swing: 1 x axial piston motor with swing holding brake
Drivetrain
Governor
All-speed control, electronic
Steering
control: Two levers with pedals
Drive System
method: Hydraulic motor | Swing Driven by: Hydraulic motor
Brakes
Brake System Type
Hydraulic lock
Parking Brake
Mechanical disc
Operational
Operating Conditions
Maximum drawbar pull: 35,164 lbf. | Gradeability: 70%, 35° | Swing torque: 31,314 ft.-lbs.
Operating Speed
Maximum travel speed: High: 3.4 mph / Low: 1.9 mph | Swing: 12.0 rpm
Ground Pressure
Standard Counterweight ISO 16754: (Triple-Grouser 24 in: 6.36 psi | Triple-Grouser 28 in: 5.51 psi | Triple-Grouser 31.5 in: 4.87 psi) | Heavy Counterweight ISO 16754: (Triple-Grouser 24 in: 6.56 psi | Triple-Grouser 28 in: 5.69 psi | Triple-Grouser 31.5 in: 5.03 psi)
Performance
Noise Level
Exterior – ISO 6395: 99 dB(A) | Operator – ISO 6396: 68 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: 78.7 gpm
Maximum Pressure
Implement circuits: 5,450 psi | Travel circuit: 5,400 psi | Swing circuits: 4,195 psi | Pilot circuit: 470 psi
Chassis
Frame Type
Center frame: X-frame leg | Track frame: Box-section
Dimensions
Bore
Hydraulic cylinders/Number of cylinders: (Boom / 2: 4.3 in | Arm / 1: 4.7 in | Bucket / 1: 4.1 in)
Stroke
Hydraulic cylinders/Number of cylinders: (Boom / 2: 46.3 in | Arm / 1: 52.8 in | Bucket / 1: 40.4 in)
Dimensions
Hydraulic cylinders/Number of cylinders rod diameter: (Boom / 2: 3.0 in | Arm / 1: 3.3 in | Bucket / 1: 2.8 in)
Capacities
Fuel Capacity
tank: 79.25 US gal | Engine: 4.8 US gal | Final drive, each side: 1.43 US gal | Swing drive: 1.2 US gal | DEF tank: 7.81 US gal
Cooling System
Radiator: 7.21 US gal
Hydraulic Capacity
tank: 32.0 US gal
Weights
Weight, In Running Order
Standard Counterweight: (Triple-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. | Triple-Grouser 28 in: 42,455 lbs. | Triple-Grouser 31.5 in: 42,895 lbs.)
Features
Features
Swing reduction: Planetary gear | Swing circle lubrication: Grease-bathed | Swing lock: Mechanical disc brake | Track type: Sealed | Track adjuster: Hydraulic | Number of shoes: 44 each side | Number of carrier rollers: 2 each side | Number of track rollers: 7 each side