- Ground Clearance: 1.3 ft / 395 mm
- Height To Top Of Cab: 9.24 ft / 2815 mm
- Tail Swing Radius: 4.86 ft / 1480 mm
- Track Gauge: 6.53 ft / 1990 mm
Published dimensions and weight
Komatsu PC138US-8
Weighing roughly 13.9 t and rated at 96.7 hp, the Komatsu PC138US-8 is a midi excavator in its size class.
01Published dimensions and weight
Dimensions reference
Representative category illustration; exact model may differ.Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight30534.1 lb13850 kg
03Selected published values73
Midi excavators are commonly used for digging, trenching and site work where a mid-size tracked machine fits the access available. Published rows for Komatsu PC138US-8 include published operating weight of 30534.1 lb / 13850 kg, the published “Ground Clearance” field of 1.3 ft / 395 mm, the published “Height To Top Of Cab” field of 9.24 ft / 2815 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Ground Clearance” field (1.3 ft / 395 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Height To Top Of Cab” field (9.24 ft / 2815 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Tail Swing Radius” field (4.86 ft / 1480 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Ground Clearance1.3 ft395 mm
Height To Top Of Cab9.24 ft2815 mm
Tail Swing Radius4.86 ft1480 mm
Track Gauge6.53 ft1990 mm
Track Length On Ground9.45 ft2880 mm
Overall Height9.36 ft2850 mm
Overall Length23.82 ft7260 mm
Overall Track Width8.17 ft2490 mm
Removal Counterweight Clearance2.96 ft900 mm
Undercarriage
Shoe Size19.69 in500 mm
Seal Of TrackSealed trackSealed track
Shoe Typetriple grousertriple grouser
Number Of Shoes (Each Side)4343
Number Of Track Rollers Per Side77
Track AdjusterHydraulicHydraulic
Track FrameBox-sectionBox-section
Centre FrameX-frameX-frame
Number Of Carrier Rollers Per Side11
Swing System
Swing ReductionPlanetary gearPlanetary gear
Swing Circle LubricationGrease-bathedGrease-bathed
Driven ByHydraulic motorHydraulic motor
Swing LockWet, multiple-disc brakeWet, multiple-disc brake
Engine
Horsepower, Gross-Sae J199596.7 hp72.1 kw
Horsepower, Net-Iso 924991.8 hp68.4 kw
Horsepower, Net-Sae J134991.8 hp68.4 kw
Lubrication SystemMethod- Gear pump, force-lubrication; Filter-Full-flowMethod- Gear pump, force-lubrication; Filter-Full-flow
Starter Motor4.5 kW/24 V4.5 kW/24 V
Battery64 Ah/2 x 12 V64 Ah/2 x 12 V
Number Of Cylinders44
Engine Make22382238
Engine ModelSAA4D95LE-5SAA4D95LE-5
Engine TypeWater-cooled,4-cycleWater-cooled,4-cycle
Air CleanerDry-type with double elements and auto dust evacuator, plus dust indicatorDry-type with double elements and auto dust evacuator, plus dust indicator
GovernorAll-speed control, electronicAll-speed control, electronic
Power Measured @2200 rpm2200 rpm
Displacement199 cu in3.3 L
AspirationTurbocharged, and air-to-air aftercooledTurbocharged, and air-to-air aftercooled
Alternator35 A/24 V amps35 A/24 V amps
Bore And Stroke95 mm x 115 mm 3.74" x 4.53"95 mm x 115 mm 3.74" x 4.53"
Fan Drive TypeMechanicalMechanical
Fuel SystemDirect injectionDirect injection
Driveline
Drawbar Pull, Maximum (Kg)1250012500
Gradeability70 %70 %
Travel Speed2.9/5.12.9/5.1
Capacities
Swing Drive0.7 gal2.5 L
Fuel Tank51.6 gal195 L
Final Drive0.6 gal2.1 L
Engine Oil3 gal11 L
Radiator3.3 gal12.4 L
Hydraulic18.3 gal69 L
Operational
Boom Size15.1 ft4.6 m
Boom TypeStandardStandard
Arm Size8.3 ft2.5 m
Bucket Size – Kga Standard Gp0.7 yd30.6 m3
Arm TypeStandardStandard
Maximum Reach @ Ground Level26.9 ft8180 mm
Digging Depth – Maximum18 ft5480 mm
Swing Radius4.9 ft1480 mm
Arm Crowd Force – Iso63006300
Digging Reach – Maximum27.3 ft8300 mm
Bucket Crowd Force – Iso95009500
Weights
Operating Weight30534.1 lb13850 kg
Bucket Weight - Kga Gp992.1 lb450 kg
Quick Hitch Weight – Kga392.5 lb178 kg
Hydraulic System
Hydraulic System TypeHydrauMind SystemHydrauMind System
Selectable Work Modes55
Economy Sub-Mode Selections44
Main Pump TypeVariable displacement, axial pistonVariable displacement, axial piston
Maximum Flow Rate63.8 gal/min241.5 L/min
Hydraulic Motor (Travel)2 x piston motor with parking brake2 x piston motor with parking brake
Hydraulic Motor (Swing)1 x piston motor with swing holding brake1 x piston motor with swing holding brake
Brakes
Parking BrakeWet, multiple-discWet, multiple-disc
Service BrakeHydraulic lockHydraulic lock
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Manufacturer-published specifications.