Global-CE > Medium Excavators > KOMATSUMedium Excavators > Komatsu PC238USLC-11 MID-SIZE EXCAVATORS
Komatsu PC238USLC-11 MID-SIZE EXCAVATORS

Komatsu PC238USLC-11 MID-SIZE EXCAVATORS

BucketCapacityMax 1.57
BucketCapacityMin 0.66
Horsepower 165 @ 2000 rpm
OperatingWeightMax 55660
OperatingWeightMin 54230

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Powerful Komatsu SAA6D107E-3 engine

A powerful Komatsu SAA6D107E-3 engine provides a net output of 123 kW 165 HP. This engine is EPA Tier 4 Final emissions certified.

Enhanced Productivity

The PC238USLC-11's P mode provides improved performance in demanding applications.

Productivity                                                             Compared to the PC228USLC-10 in P mode

Up to 4% increase


P mode (90° swing truck loading)

Efficient Hydraulic System

The PC238USLC-11 uses a Closed-Center Load Sensing System (CLSS) that improves fuel efficiency and provides quick response to the operator's demands. The control system matches engine and hydraulic demand at the most efficient point under any load condition. There have also been improvements in the main valve and hydraulic circuit to reduce hydraulic loss, resulting in higher efficiency and lower fuel consumption.

Arm Quick Return Valve

When the arm is extended, the quick return valve directs additional oil through a second line directly back to tank which reduces back pressure. Reduces fuel consumption and improves efficiency.

Viscous Fan Clutch

A temperature controlled viscous fan clutch improves engine efficiency and reduces engine power requirements when operating in cooler temperatures.

Stable Platform

The PC238USLC-11's compact 6.7 mt 14,815 lb counterweight provides exceptional lifting capacity and minimizes rear swing radius for operation in confined areas.

Short Tail Swing Radius

1810 mm 5'11" short tail swing radius of the PC238USLC-11 allows the machine to work in more confined areas than a conventional machine.

Greater Working Ranges

Raising the boom on the PC238USLC-11 to a greater angle enhances overall working performance. Job sites that require a taller upper reach, such as demolition and slope cutting, also benefit from the increased digging and dumping ranges of the PC238USLC-11.
Working range
Max. digging height: 10700 mm 35' 1"
Max. digging depth: 6620 mm 21' 9"
Max. digging reach: 9875 mm 32' 5"

Optional Komvision

An optional three camera system provides a bird's eye view (including cab visibility) of the machine and surrounding area. This system improves operation and situational awareness on the jobsite
KomVision benefits operators working in urban environments, confined spaces, and high traffic jobsites from increased visibility and situational awareness.
Distance markers are displayed in the monitor to show machine tail swing radius.

Model Komatsu SAA6D107E-3*
Type Water-cooled, 4-cycle, direct injection
Aspiration Komatsu Variable Geometry Turbo air-to-air aftercooled
Number of cylinders 6
Bore 107 mm 4.21"
Stroke 124 mm 4.88"
Piston displacement 6.69 ltr 408 in³
Horsepower:
SAE J1995 / Gross 123 kW 165 HP
ISO 9249 / SAE J1349 / Net 123 kW
165 HP
Fan at maximum speed / Net
116 kW 156 HP
Rated rpm 2000
Governor All-speed control, electronic
Lubrication system:
Method Gear pump, force-lubrication
Filter
Full-flow
Air cleaner Air cleaner, double element and auto dust evacuator

Main pump:
Type Variable capacity piston type
Pumps for Boom, arm, bucket, swing, and travel circuits
Maximum flow 475 ltr/min 125.5 gal/min
Hydraulic motors:
Travel 2 x piston motor with parking brake
Swing 1 x axial piston motor with swing holding brake
Relief valve setting:
Implement circuits
37.3 MPa 380 kgf/cm² 5,400 psi
Travel circuits 37.3 MPa 380 kgf/cm²
5,400 psi
Swing circuits 29.4 MPa 299 kgf/cm² 4,264 psi
Pilot circuit 3.2 MPa 33 kgf/cm² 470 psi
Hydraulic cylinders:
(Number of cylinders – bore x stroke x rod diameter)
Boom / 2 130 mm x 1385 mm x 90 mm 5.11" x 54.5" x 3.5"
Arm / 1 135 mm x 1490 mm x 95 mm 5.3" x 58.7" x 3.7"
Bucket / 1 115 mm x 1120 mm x 80 mm 4.5" x 44.1" x 3.2"

Fuel tank 290 ltr 76.6 U.S. gal
Radiator 28.3 ltr 7.6 U.S. gal
Engine 23.1 ltr 6.1 U.S. gal
Final drive, each side 5.0 ltr 1.4 U.S. gal
Swing drive 6.5 ltr 1.7 U.S. gal
Hydraulic tank 126 ltr 33.3 u.s. gal
DEF tank
13 ltr
3.4 U.S. gal

Steering control Two-lever with pedals
Drive method Fully hydrostatic
Maximum drawbar pull 202 kN 20600 kgf 45,410 lb
Maximum travel speed:
High 5.5 km/h 3.4 mph
Mid 4.1 km/h
2.5 mph
Low 3.0 km/h 1.9 mph
Gradeability 70%, 35°
Service brake Hydraulic lock
Parking brake
Mechanical disc

Driven by Hydraulic motor
Swing reduction Planetary gear
Swing circle lubrication Grease-bathed
Swing lock Mechanical disc brake
Swing speed 11.0 rpm
Swing torque 6656 kg.m 48,124 ft lbs

Center frame X-frame leg
Track frame Box-section
Track type Sealed
Track adjuster Hydraulic
Number of shoes (each side): 49
Number of carrier rollers (each side): 2
Number of track rollers (each side): 9

Exterior – ISO 6395 100 dB(A)
Operator – ISO 6396 71 dB(A)

Shoes Operating Weight Ground Pressure
Road Liner
600 mm 24"
24600 kg
54,230 lb
51.1 kPa 0.52 kg/cm²
7.41 psi
700 mm
28"
24870 kg
54,825 lb
44.29 kPa 0.45 kg/cm²
6.42 psi
800 mm
31.5"
25150 kg
55,440 lb
39.19 kPa 0.39 kg/cm²
5.68 psi

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