Machine models

Komatsu PC30MRx specifications

Entries in this reference
Listing-entry count
1

Short answer

Komatsu PC30MRx: excavator.

Selected configuration figures
Configuration	Documented field and quantity
PC30MRx	Net Power 28.2 hp Operating Weight 7,540 lb

PC30MRx specification matrix — Boom/Stick Option (Hex) 1
Specification	PC30MRx
Shipping Length Of Unit	15.29 ft
Max Cutting Height	15.1 ft
Shipping Height Of Unit	8.07 ft
Max Loading Height	10.29 ft
Max Reach Along Ground	16.51 ft
Max Vertical Wall Digging Depth	8.32 ft
Max Digging Depth	9.31 ft
Boom/Stick Option (Hex) 1	arm w/ stick 1260mm

Operational
Specification	PC30MRx
Operating Weight	7,540 lb
Fuel Capacity	11.1 gal
Cooling System Fluid Capacity	1.5 gal
Hydraulic System Fluid Capacity	7.6 gal
Engine Oil Capacity	2.1 gal
Hydraulic System Relief Valve Pressure	3,844 psi
Hydraulic Pump Flow Capacity	19.4 gpm

Swing Mechanism
Specification	PC30MRx
Swing Speed	9.3 rpm

Ratios
Figure	PC30MRx
Engine horsepower per 1,000 lb of weight	3.7
Fuel tank per engine horsepower	0.39 gal
Hydraulic power from the listed pump flow and relief pressure	43.5 hp

Komatsu PC30MRx: excavator

Where the PC30MRx ranks in Komatsu's list — Scope of the captured comparison
Brand	Equipment group	Compared entry	Sort order
Komatsu	excavator	PC30MRx	Descending quantity; 1 is largest

Figure	PC30MRx	Rank	Lowest in line	Highest in line
Engine power	28.2 hp	9 of 19	3.5 hp	139.5 hp
Listed weight	7,540 lb	5 of 19	119 lb	11,670 lb
Fuel capacity	11.1 gal	7 (tied) of 17	1.0 gal	60.8 gal
Horsepower per 1,000 lb	3.7 hp	12 of 17	3.4 hp	608.7 hp
Ground pressure	4.8 psi	2 (tied) of 15	1.6 psi	5.3 psi
Maximum digging depth	9.3 ft	7 (tied) of 18	3.5 ft	16.8 ft

The PC30MRx beside its neighbours
Base version	PC09-1	PC30MRx	PC40-2
Engine power	PC30MRx: 28.2 hp; PC40-2: 35 hp
Weight	2,072 lb	7,540 lb	9,560 lb
Fuel capacity	PC09-1: 3 gal; PC30MRx: 11.1 gal
Ground pressure	PC30MRx: 4.8 psi; PC40-2: 4 psi
Maximum digging depth	4.93 ft	9.31 ft	10.41 ft

PC30MRx: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	excavator	Komatsu and the PC30 line that the PC30MRx belongs to (no title names the exact model)	8

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	25%
transmission and drive	2	25%

PC30MRx: dated market and recall observations — Dated listing search
Date	Listing index	Equipment class	Names queried	Result
2026-09-24	MachineryTrader (machinerytrader.com)	excavator	PC30MRx	No matching offers in this snapshot

Dated CPSC search
Date	Database	Names queried	Result
2026-09-24	U.S. Consumer Product Safety Commission	Komatsu; PC30MRx	No matching recall in the stated search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Komatsu PC30MRx — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Komatsu PC30MRx — 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.

PC30MRx

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth	8.32 ft
Dimensions and weight
Width To Outside Of Tracks	5.09 ft
Length Of Track On Ground	6.8 ft
Height To Top Of Cab	8.08 ft
Tail Swing Radius	2.81 ft
Undercarriage
Shoe Size	11.82 in
Engine
Engine Model	3D84E-3KJ
Net Power	28.2 hp
Power Measured @	2,500 rpm
Displacement	91.3 cu in
Aspiration	Natural
Operational
Fuel Capacity	11.1 gal
Cooling System Fluid Capacity	1.5 gal
Hydraulic System Fluid Capacity	7.6 gal
Engine Oil Capacity	2.1 gal
Hydraulic System Relief Valve Pressure	3,844 psi
Hydraulic Pump Flow Capacity	19.4 gpm
Additional specifications
Shipping Length Of Unit	15.29 ft
Max Cutting Height	15.1 ft
Shipping Height Of Unit	8.07 ft
Max Loading Height	10.29 ft
Max Reach Along Ground	16.51 ft
Max Digging Depth	9.31 ft
Boom/Stick Option (Hex) 1	arm w/ stick 1260mm
Track Gauge	4.11 ft
Ground Pressure	4.8 psi
Max Travel Speed	2.86 mph
Operating Weight	7,540 lb
Swing Speed	9.3 rpm