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Komatsu PC100, PC100L, and PC120 specifications

Entries in this reference
Listing-entry count
3
Short answer

Komatsu PC100, PC100L, and PC120: full-size excavators.

Selected configuration figures
ConfigurationDocumented field and quantity
PC100
Gross Power
81 hp
Operating Weight
23,148 lb
PC100L
Gross Power
81 hp
Operating Weight
27,999 lb
PC120
Gross Power
90 hp
Operating Weight
25,350 lb
PC100, PC100L, and PC120 specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
KomatsuPC100, PC100L, and PC1203PC100, PC100L, and PC120
Boom/Stick Option (Hex) 1
SpecificationPC100PC100LPC120
Shipping Length Of Unit23.56 ft23.33 ft24.51 ft
Max Cutting Height23.53 ft24.18 ft24.78 ft
Max Loading Height16.34 ft17.03 ft17.13 ft
Max Reach Along Ground23.53 ft23.36 ft24.74 ft
Max Vertical Wall Digging Depth12.87 ft12.21 ft13.78 ft
Max Digging Depth15.1 ft14.44 ft16.41 ft
Boom/Stick Option (Hex) 1Boom 14'0" (4260mm)/Stick 6'7" (2002mm)Boom 14'0" (4260mm)/Stick 6'7" (2002mm)Boom 15'1" (4600mm)/Stick 6'7" (2002mm)
SpecificationPC100LPC120
Shipping Height Of Unit9.47 ft8.78 ft
Dimensions and weight
SpecificationPC100PC100LPC120
Ground Clearance1.32 ft1.81 ft1.32 ft
Height To Top Of Cab8.78 ft9.47 ft8.78 ft
Width To Outside Of Tracks7.55 ft8.96 ft7.98 ft
Length Of Track On Ground7.68 ft8.78 ft8.44 ft
Tail Swing Radius7.3 ft7.3 ft7.3 ft
Removal Counterweight Clearance2.99 ft3.68 ft2.99 ft
Undercarriage
SpecificationPC100PC100LPC120
Track Gauge5.98 ft6.47 ft6.4 ft
Shoe Size18.9 in29.93 in18.9 in
Max Travel Speed2.12 mph1.43 mph2.24 mph
Ground Pressure5.97 psi3.84 psi5.97 psi
Engine
SpecificationPC100PC100LPC120
Engine ModelS4D 105-5S4D 105-5S4D105-5
Gross Power81 hp81 hp90 hp
Displacement264 cu in264 cu in264.3 cu in
SpecificationPC100LPC120
Aspirationturbochargedturbocharged
Operational
SpecificationPC100PC100LPC120
Operating Weight23,148 lb27,999 lb25,350 lb
Fuel Capacity60.8 gal60.8 gal60.8 gal
Hydraulic System Fluid Capacity38.4 gal38.4 gal38.4 gal
Hydraulic System Relief Valve Pressure2,500 psi2,500 psi2,500 psi
Hydraulic Pump Flow Capacity65.6 gpm65.6 gpm85.4 gpm
Swing Mechanism
SpecificationPC100PC100LPC120
Swing Speed10 rpm10 rpm12 rpm
Variants — Source comparison annotation
Source guideDiffering-field count reported
PC100, PC100L, and PC12024
Ratios
FigurePC100PC100LPC120
Engine horsepower per 1,000 lb of weight3.52.93.6
Fuel tank per engine horsepower0.75 gal0.75 gal0.68 gal
Hydraulic power from the listed pump flow and relief pressure95.7 hp95.7 hp124.6 hp
Reference directory classification
Equipment groupfull-size excavator
PC100, PC100L, and PC120: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumsfull-size excavatorKomatsu and the PC100, PC100L, PC12041
Topics named by those titles
Title topicTitles
hydraulics6
tracks and undercarriage3
electrical and sensors3
Topic in the titleThreadsShare of matching threads
hydraulics615%
tracks and undercarriage37%
electrical and sensors37%
starting and cranking37%
Used market for the PC100, PC100L, and PC120 — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderKomatsu full-size excavator29
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
PC10012017$15,000$15,000$15,000None shown
PC120281992 to 2024$9,800$39,263$18,164None shown
PC100, PC100L, and PC120: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionKomatsu together with the full-size excavator PC100, PC100L, PC120No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Komatsu PC100 — RitchieSpecs. Observed 2026-09-24.
Reference site
Reference site
  • Reference site: Komatsu PC120 — RitchieSpecs. Observed 2026-09-24.
Forum threads
Used-market listings
Federal agency data

Komatsu PC100, PC100L, and PC120: Configuration records

PC100
SpecificationSource figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit23.56 ft
Max Cutting Height23.53 ft
Max Loading Height16.34 ft
Max Reach Along Ground23.53 ft
Max Vertical Wall Digging Depth12.87 ft
Max Digging Depth15.1 ft
Boom/Stick Option (Hex) 1Boom 14'0" (4260mm)/Stick 6'7" (2002mm)
Dimensions and weight
Ground Clearance1.32 ft
Height To Top Of Cab8.78 ft
Width To Outside Of Tracks7.55 ft
Length Of Track On Ground7.68 ft
Tail Swing Radius7.3 ft
Removal Counterweight Clearance2.99 ft
Undercarriage
Shoe Size18.9 in
Max Travel Speed2.12 mph
Ground Pressure5.97 psi
Engine
Engine ModelS4D 105-5
Gross Power81 hp
Displacement264 cu in
Operational
Fuel Capacity60.8 gal
Hydraulic System Fluid Capacity38.4 gal
Hydraulic System Relief Valve Pressure2,500 psi
Hydraulic Pump Flow Capacity65.6 gpm
Swing Mechanism
Swing Speed10 rpm
Additional specifications
Track Gauge5.98 ft
Operating Weight23,148 lb

Source

PC100L
SpecificationSource figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit23.33 ft
Max Cutting Height24.18 ft
Max Loading Height17.03 ft
Max Reach Along Ground23.36 ft
Max Vertical Wall Digging Depth12.21 ft
Max Digging Depth14.44 ft
Boom/Stick Option (Hex) 1Boom 14'0" (4260mm)/Stick 6'7" (2002mm)
Shipping Height Of Unit9.47 ft
Dimensions and weight
Ground Clearance1.81 ft
Height To Top Of Cab9.47 ft
Width To Outside Of Tracks8.96 ft
Length Of Track On Ground8.78 ft
Tail Swing Radius7.3 ft
Removal Counterweight Clearance3.68 ft
Undercarriage
Shoe Size29.93 in
Max Travel Speed1.43 mph
Ground Pressure3.84 psi
Engine
Engine ModelS4D 105-5
Gross Power81 hp
Displacement264 cu in
Aspirationturbocharged
Operational
Fuel Capacity60.8 gal
Hydraulic System Fluid Capacity38.4 gal
Hydraulic System Relief Valve Pressure2,500 psi
Hydraulic Pump Flow Capacity65.6 gpm
Swing Mechanism
Swing Speed10 rpm
Additional specifications
Track Gauge6.47 ft
Operating Weight27,999 lb

Source

PC120
SpecificationSource figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit24.51 ft
Max Cutting Height24.78 ft
Max Loading Height17.13 ft
Max Reach Along Ground24.74 ft
Max Vertical Wall Digging Depth13.78 ft
Max Digging Depth16.41 ft
Boom/Stick Option (Hex) 1Boom 15'1" (4600mm)/Stick 6'7" (2002mm)
Shipping Height Of Unit8.78 ft
Dimensions and weight
Ground Clearance1.32 ft
Height To Top Of Cab8.78 ft
Width To Outside Of Tracks7.98 ft
Length Of Track On Ground8.44 ft
Tail Swing Radius7.3 ft
Removal Counterweight Clearance2.99 ft
Undercarriage
Shoe Size18.9 in
Max Travel Speed2.24 mph
Ground Pressure5.97 psi
Engine
Engine ModelS4D105-5
Gross Power90 hp
Displacement264.3 cu in
Aspirationturbocharged
Operational
Fuel Capacity60.8 gal
Hydraulic System Fluid Capacity38.4 gal
Hydraulic System Relief Valve Pressure2,500 psi
Hydraulic Pump Flow Capacity85.4 gpm
Swing Mechanism
Swing Speed12 rpm
Additional specifications
Track Gauge6.4 ft
Operating Weight25,350 lb

Source

Compare Komatsu PC100, PC100L, PC120
Boom/Stick Option (Hex) 1
SpecificationPC100PC100LPC120
Shipping Length Of Unit23.56 ft23.33 ft24.51 ft
Max Cutting Height23.53 ft24.18 ft24.78 ft
Max Loading Height16.34 ft17.03 ft17.13 ft
Max Reach Along Ground23.53 ft23.36 ft24.74 ft
Max Vertical Wall Digging Depth12.87 ft12.21 ft13.78 ft
Max Digging Depth15.1 ft14.44 ft16.41 ft
Boom/Stick Option (Hex) 1Boom 14'0" (4260mm)/Stick 6'7" (2002mm)Boom 14'0" (4260mm)/Stick 6'7" (2002mm)Boom 15'1" (4600mm)/Stick 6'7" (2002mm)
Dimensions and weight
SpecificationPC100PC100LPC120
Ground Clearance1.32 ft1.81 ft1.32 ft
Height To Top Of Cab8.78 ft9.47 ft8.78 ft
Width To Outside Of Tracks7.55 ft8.96 ft7.98 ft
Length Of Track On Ground7.68 ft8.78 ft8.44 ft
Tail Swing Radius7.3 ft7.3 ft7.3 ft
Removal Counterweight Clearance2.99 ft3.68 ft2.99 ft
Undercarriage
SpecificationPC100PC100LPC120
Track Gauge5.98 ft6.47 ft6.4 ft
Shoe Size18.9 in29.93 in18.9 in
Max Travel Speed2.12 mph1.43 mph2.24 mph
Ground Pressure5.97 psi3.84 psi5.97 psi
Engine
SpecificationPC100PC100LPC120
Engine ModelS4D 105-5S4D 105-5S4D105-5
Gross Power81 hp81 hp90 hp
Displacement264 cu in264 cu in264.3 cu in
Operational
SpecificationPC100PC100LPC120
Operating Weight23,148 lb27,999 lb25,350 lb
Fuel Capacity60.8 gal60.8 gal60.8 gal
Hydraulic System Fluid Capacity38.4 gal38.4 gal38.4 gal
Hydraulic System Relief Valve Pressure2,500 psi2,500 psi2,500 psi
Hydraulic Pump Flow Capacity65.6 gpm65.6 gpm85.4 gpm
Swing Mechanism
SpecificationPC100PC100LPC120
Swing Speed10 rpm10 rpm12 rpm

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