Machine models

Komatsu PC20-2 and PC30-1 specifications

Entries in this reference
Listing-entry count
2

Short answer

Komatsu PC20-2 and PC30-1: excavators.

Selected configuration figures
Configuration	Documented field and quantity
PC20-2	Gross Power 21.3 hp Operating Weight 6,170 lb
PC30-1	Gross Power 26.2 hp Operating Weight 7,050 lb

PC20-2 and PC30-1 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Komatsu	PC20-2 and PC30-1	2	PC20-2 and PC30-1

Boom/Stick Option (Hex) 1
Specification	PC20-2	PC30-1
Shipping Length Of Unit	14.44 ft	16.02 ft
Max Cutting Height	11.44 ft	12.98 ft
Shipping Height Of Unit	7.67 ft	7.67 ft
Max Loading Height	7.7 ft	8.68 ft
Max Reach Along Ground	14.26 ft	15.92 ft
Max Vertical Wall Digging Depth	6.42 ft	7.08 ft
Max Digging Depth	8.06 ft	10.04 ft
Boom/Stick Option (Hex) 1	Stick 3'9" (1150mm)	Stick 4'6" (1365mm)

Dimensions and weight
Specification	PC20-2	PC30-1
Width To Outside Of Tracks	4.83 ft	5.17 ft
Length Of Track On Ground	5.17 ft	5.17 ft
Ground Clearance	1.01 ft	1.01 ft
Height To Top Of Cab	7.67 ft	7.67 ft
Tail Swing Radius	4.53 ft	4.76 ft
Removal Counterweight Clearance	1.88 ft	1.88 ft

Operational
Specification	PC20-2	PC30-1
Operating Weight	6,170 lb	7,050 lb
Fuel Capacity	10.6 gal	10.6 gal
Hydraulic System Fluid Capacity	17.2 gal	13.3 gal
Hydraulic System Relief Valve Pressure	2,490 psi	2,490 psi
Hydraulic Pump Flow Capacity	20.7 gpm	25.1 gpm

Swing Mechanism
Specification	PC20-2	PC30-1
Swing Speed	12.5 rpm	13 rpm

Variants — Source comparison annotation
Source guide	Differing-field count reported
PC20-2 and PC30-1	18

Ratios
Figure	PC20-2	PC30-1
Engine horsepower per 1,000 lb of weight	3.5	3.7
Fuel tank per engine horsepower	0.50 gal	0.40 gal
Hydraulic power from the listed pump flow and relief pressure	30.1 hp	36.5 hp

Komatsu PC20-2 and PC30-1: excavator

PC20-2 and PC30-1: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	excavator	Komatsu and the PC20, PC30 line that the PC20-2, PC30-1 belongs to (no title names the exact model)	15

Topics named by those titles
Title topic	Titles
hydraulics	2
transmission and drive	2

Topic in the title	Threads	Share of matching threads
hydraulics	2	13%
transmission and drive	2	13%

Komatsu Pc20 Rexroth Valve (Heavy Equipment Forums, 2026-02-21)
Komatsu Pc20 6 Serial No 24614 Rhs Track Lever Stiff (Heavy Equipment Forums, 2024-03-02)
Komatsu PC 30 Mr (Heavy Equipment Forums, 2023-11-29)
Komatsu Pc30 Hydraulic Failure (Heavy Equipment Forums, 2023-08-16)

PC20-2 and PC30-1: dated market and recall observations — Dated listing search
Date	Listing index	Equipment class	Names queried	Result
2026-09-24	MachineryTrader (machinerytrader.com)	excavator	PC20-2, PC30-1	No matching offers in this snapshot

Dated CPSC search
Date	Database	Names queried	Result
2026-09-24	U.S. Consumer Product Safety Commission	Komatsu; PC20-2, PC30-1	No matching recall in the stated search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Komatsu PC20-2 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Komatsu PC30-1 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Komatsu PC20-2 and PC30-1 — Heavy Equipment Forums. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Komatsu — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

PC20-2

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	14.44 ft
Max Cutting Height	11.44 ft
Shipping Height Of Unit	7.67 ft
Max Loading Height	7.7 ft
Max Reach Along Ground	14.26 ft
Max Vertical Wall Digging Depth	6.42 ft
Max Digging Depth	8.06 ft
Boom/Stick Option (Hex) 1	Stick 3'9" (1150mm)
Dimensions and weight
Width To Outside Of Tracks	4.83 ft
Length Of Track On Ground	5.17 ft
Ground Clearance	1.01 ft
Height To Top Of Cab	7.67 ft
Tail Swing Radius	4.53 ft
Removal Counterweight Clearance	1.88 ft
Undercarriage
Shoe Size	11.82 in
Track Gauge	3.84 ft
Max Travel Speed	1.06 mph
Ground Pressure	4.3 psi
Engine
Engine Model	3D84-1A
Gross Power	21.3 hp
Displacement	86.2 cu in
Operational
Operating Weight	6,170 lb
Fuel Capacity	10.6 gal
Hydraulic System Fluid Capacity	17.2 gal
Hydraulic System Relief Valve Pressure	2,490 psi
Hydraulic Pump Flow Capacity	20.7 gpm
Swing Mechanism
Swing Speed	12.5 rpm

PC30-1

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	16.02 ft
Max Cutting Height	12.98 ft
Shipping Height Of Unit	7.67 ft
Max Loading Height	8.68 ft
Max Reach Along Ground	15.92 ft
Max Vertical Wall Digging Depth	7.08 ft
Max Digging Depth	10.04 ft
Boom/Stick Option (Hex) 1	Stick 4'6" (1365mm)
Dimensions and weight
Width To Outside Of Tracks	5.17 ft
Length Of Track On Ground	5.17 ft
Ground Clearance	1.01 ft
Height To Top Of Cab	7.67 ft
Tail Swing Radius	4.76 ft
Removal Counterweight Clearance	1.88 ft
Undercarriage
Shoe Size	11.82 in
Track Gauge	4.6 ft
Max Travel Speed	1.31 mph
Ground Pressure	3.8 psi
Engine
Engine Model	3D84-IB
Gross Power	26.2 hp
Displacement	86.2 cu in
Operational
Operating Weight	7,050 lb
Fuel Capacity	10.6 gal
Hydraulic System Fluid Capacity	13.3 gal
Hydraulic System Relief Valve Pressure	2,490 psi
Hydraulic Pump Flow Capacity	25.1 gpm
Swing Mechanism
Swing Speed	13 rpm

Compare Komatsu PC20-2, PC30-1

Boom/Stick Option (Hex) 1
Specification	PC20-2	PC30-1
Shipping Length Of Unit	14.44 ft	16.02 ft
Max Cutting Height	11.44 ft	12.98 ft
Shipping Height Of Unit	7.67 ft	7.67 ft
Max Loading Height	7.7 ft	8.68 ft
Max Reach Along Ground	14.26 ft	15.92 ft
Max Vertical Wall Digging Depth	6.42 ft	7.08 ft
Max Digging Depth	8.06 ft	10.04 ft
Boom/Stick Option (Hex) 1	Stick 3'9" (1150mm)	Stick 4'6" (1365mm)

Dimensions and weight
Specification	PC20-2	PC30-1
Width To Outside Of Tracks	4.83 ft	5.17 ft
Length Of Track On Ground	5.17 ft	5.17 ft
Ground Clearance	1.01 ft	1.01 ft
Height To Top Of Cab	7.67 ft	7.67 ft
Tail Swing Radius	4.53 ft	4.76 ft
Removal Counterweight Clearance	1.88 ft	1.88 ft

Operational
Specification	PC20-2	PC30-1
Operating Weight	6,170 lb	7,050 lb
Fuel Capacity	10.6 gal	10.6 gal
Hydraulic System Fluid Capacity	17.2 gal	13.3 gal
Hydraulic System Relief Valve Pressure	2,490 psi	2,490 psi
Hydraulic Pump Flow Capacity	20.7 gpm	25.1 gpm

Swing Mechanism
Specification	PC20-2	PC30-1
Swing Speed	12.5 rpm	13 rpm