Machine models

Kobelco 30SR-3 to SK30SR-5 specifications

Entries in this reference
Listing-entry count
4

Short answer

Kobelco 30SR-3 to SK30SR-5: excavators.

Selected configuration figures
Configuration	Documented field and quantity
30SR-3	Net Power 28.4 hp Operating Weight 7,100 lb
35SR ACERA	Net Power 28.4 hp Operating Weight 7,959 lb
35SR-3	Net Power 28.4 hp Operating Weight 8,380 lb
SK30SR-5	Gross Power 28.5 hp Operating Weight 6,614 lb

30SR-3 to SK30SR-5 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Kobelco	30SR-3 to SK30SR-5	4	30SR-3, 35SR ACERA, 35SR-3, and SK30SR-5

Boom/Stick Option (Hex) 1
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Shipping Length Of Unit	14.41 ft	15.46 ft	15.46 ft	14.41 ft
Shipping Height Of Unit	8.44 ft	8.57 ft	8.44 ft	8.44 ft
Max Loading Height	11.03 ft	11.75 ft	11.75 ft	9.29 ft
Max Reach Along Ground	15.69 ft	16.77 ft	16.77 ft	15.69 ft
Max Vertical Wall Digging Depth	7.09 ft	7.85 ft	7.85 ft	7.09 ft
Max Digging Depth	9.22 ft	10.11 ft	10.11 ft	9.22 ft

Specification	30SR-3	35SR ACERA	35SR-3
Max Cutting Height	15.65 ft	16.34 ft	16.34 ft
Boom/Stick Option (Hex) 1	Stick 3\'10\" (1180mm)	Boom 8\'2\" (2500mm) / Stick 4\'4\" (1320mm)	Stick 4\'4\" (1320mm)

Dimensions and weight
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Width To Outside Of Tracks	5.09 ft	5.58 ft	5.58 ft	5.09 ft
Length Of Track On Ground	6.57 ft	5.58 ft	5.58 ft	5.06 ft
Ground Clearance	1.09 ft	1.09 ft	1.09 ft	1.09 ft
Tail Swing Radius	2.55 ft	2.79 ft	2.79 ft	2.55 ft

Specification	30SR-3	35SR ACERA	35SR-3
Height To Top Of Cab	8.44 ft	8.57 ft	8.44 ft
Removal Counterweight Clearance	1.88 ft	1.88 ft	1.88 ft

Undercarriage
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Shoe Size	11.82 in	11.82 in	11.82 in	11.82 in
Max Travel Speed	2.8 mph	2.8 mph	2.8 mph	2.8 mph

Specification	30SR-3	35SR ACERA	35SR-3
Track Gauge	4.11 ft	4.6 ft	4.6 ft
Ground Pressure	4.2 psi	4.64 psi	4.7 psi

Specification	30SR-3	35SR-3
Drawbar Pull	8,663 lb	8,587 lb

Engine
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Number Of Cylinders	3	3	3	3
Engine Model	3TNV88-PYB	3TNV88-BPYB	3TNV88-PYB	3TNV88
Power Measured @	2,400 rpm	2,400 rpm	2,400 rpm	2,400 rpm
Displacement	100.2 cu in	100 cu in	100.2 cu in	100.1 cu in

Specification	30SR-3	35SR ACERA	35SR-3
Net Power	28.4 hp	28.4 hp	28.4 hp

Specification	35SR ACERA
Max Torque	72.2 lb-ft
Torque Measured @	1,440 rpm

Specification	SK30SR-5
Gross Power	28.5 hp

Operational
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Operating Weight	7,100 lb	7,959 lb	8,380 lb	6,614 lb
Hydraulic System Relief Valve Pressure	3,336 psi	3,336 psi	3,336 psi	3,336 psi
Hydraulic Pump Flow Capacity	22.6 gpm	20.3 gpm	28.6 gpm	26.5 gpm

Specification	30SR-3	35SR ACERA	35SR-3
Fuel Capacity	10 gal	10.1 gal	10.1 gal
Hydraulic System Fluid Capacity	12.7 gal	12.7 gal	12.7 gal
Alternator Supplied Amperage	40 amps	50 amps	40 amps

Specification	30SR-3	35SR-3
Operating Voltage	12 V	12 V

Specification	35SR ACERA
Cooling System Fluid Capacity	1.3 gal
Engine Oil Capacity	1.8 gal
Operational Voltage	12 V

Swing Mechanism
Specification	30SR-3	35SR ACERA	35SR-3
Swing Speed	8.9 rpm	8.9 rpm	8.9 rpm

Specification	30SR-3	35SR-3
Swing Torque	752 lb-ft	752 lb-ft

Buckets
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Reference Bucket Capacity	0.2 yd3	0.2 yd3	0.2 yd3	0.1 yd3

Specification	35SR ACERA
Minimum Bucket Capacity	0.1 yd3
Maximum Bucket Capacity	0.3 yd3

Variants — Source comparison annotation
Source guide	Differing-field count reported
30SR-3 to SK30SR-5	36

Ratios
Figure	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Engine horsepower per 1,000 lb of weight	4.0	3.6	3.4	4.3
Hydraulic power from the listed pump flow and relief pressure	44.0 hp	39.5 hp	55.7 hp	51.6 hp

Figure	30SR-3	35SR ACERA	35SR-3
Fuel tank per engine horsepower	0.35 gal	0.36 gal	0.36 gal

Kobelco 30SR-3 to SK30SR-5: excavator

30SR-3 to SK30SR-5: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	excavator	Kobelco and the 35SR, SK30SR line that the 35SR ACERA, 35SR-3, SK30SR-5 belongs to (no title names the exact model)	8

Topics named by those titles
Title topic	Titles
hydraulics	2

Topic in the title	Threads	Share of matching threads
hydraulics	2	25%

Kobelco 35sr Pilot Control Issue (Heavy Equipment Forums, 2023-01-23)
Kobelco Sk30sr Travel Motors Problems (Heavy Equipment Forums, 2022-01-08)
Weaker Slower Hydraulics After Warmed Up Kobelco 35sr 3 (Heavy Equipment Forums, 2016-07-08)
Swing Component Maintenance Kobelco 35sr 3 (Heavy Equipment Forums, 2015-10-08)

30SR-3 to SK30SR-5: dated market and recall observations — Dated listing search
Date	Listing index	Equipment class	Names queried	Result
2026-09-24	MachineryTrader (machinerytrader.com)	excavator	30SR-3, 35SR ACERA, 35SR-3	No matching offers in this snapshot

Dated CPSC search
Date	Database	Names queried	Result
2026-09-24	U.S. Consumer Product Safety Commission	Kobelco; 30SR-3, 35SR ACERA, 35SR-3	No matching recall in the stated search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Kobelco 30SR-3 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kobelco 35SR ACERA — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kobelco 35SR-3 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kobelco SK30SR-5 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Kobelco 30SR-3 to SK30SR-5 — Heavy Equipment Forums. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Kobelco — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Kobelco 30SR-3 to SK30SR-5: Configuration records

30SR-3

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	14.41 ft
Max Cutting Height	15.65 ft
Shipping Height Of Unit	8.44 ft
Max Loading Height	11.03 ft
Max Reach Along Ground	15.69 ft
Max Vertical Wall Digging Depth	7.09 ft
Max Digging Depth	9.22 ft
Boom/Stick Option (Hex) 1	Stick 3'10" (1180mm)
Dimensions and weight
Width To Outside Of Tracks	5.09 ft
Length Of Track On Ground	6.57 ft
Ground Clearance	1.09 ft
Height To Top Of Cab	8.44 ft
Tail Swing Radius	2.55 ft
Removal Counterweight Clearance	1.88 ft
Undercarriage
Shoe Size	11.82 in
Track Gauge	4.11 ft
Drawbar Pull	8,663 lb
Ground Pressure	4.2 psi
Max Travel Speed	2.8 mph
Engine
Number Of Cylinders	3
Engine Model	3TNV88-PYB
Net Power	28.4 hp
Power Measured @	2,400 rpm
Displacement	100.2 cu in
Operational
Operating Weight	7,100 lb
Fuel Capacity	10 gal
Hydraulic System Fluid Capacity	12.7 gal
Operating Voltage	12 V
Alternator Supplied Amperage	40 amps
Hydraulic System Relief Valve Pressure	3,336 psi
Hydraulic Pump Flow Capacity	22.6 gpm
Swing Mechanism
Swing Speed	8.9 rpm
Swing Torque	752 lb-ft
Buckets
Reference Bucket Capacity	0.2 yd3

Source

35SR ACERA

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	15.46 ft
Max Cutting Height	16.34 ft
Shipping Height Of Unit	8.57 ft
Max Loading Height	11.75 ft
Max Reach Along Ground	16.77 ft
Max Vertical Wall Digging Depth	7.85 ft
Max Digging Depth	10.11 ft
Boom/Stick Option (Hex) 1	Boom 8'2" (2500mm) / Stick 4'4" (1320mm)
Dimensions and weight
Width To Outside Of Tracks	5.58 ft
Length Of Track On Ground	5.58 ft
Ground Clearance	1.09 ft
Height To Top Of Cab	8.57 ft
Tail Swing Radius	2.79 ft
Removal Counterweight Clearance	1.88 ft
Undercarriage
Shoe Size	11.82 in
Track Gauge	4.6 ft
Ground Pressure	4.64 psi
Max Travel Speed	2.8 mph
Engine
Number Of Cylinders	3
Engine Model	3TNV88-BPYB
Net Power	28.4 hp
Power Measured @	2,400 rpm
Displacement	100 cu in
Max Torque	72.2 lb-ft
Torque Measured @	1,440 rpm
Operational
Operating Weight	7,959 lb
Fuel Capacity	10.1 gal
Hydraulic System Fluid Capacity	12.7 gal
Alternator Supplied Amperage	50 amps
Hydraulic System Relief Valve Pressure	3,336 psi
Hydraulic Pump Flow Capacity	20.3 gpm
Operational Voltage	12 V
Cooling System Fluid Capacity	1.3 gal
Engine Oil Capacity	1.8 gal
Swing Mechanism
Swing Speed	8.9 rpm
Buckets
Reference Bucket Capacity	0.2 yd3
Minimum Bucket Capacity	0.1 yd3
Maximum Bucket Capacity	0.3 yd3

Source

35SR-3

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	15.46 ft
Max Cutting Height	16.34 ft
Shipping Height Of Unit	8.44 ft
Max Loading Height	11.75 ft
Max Reach Along Ground	16.77 ft
Max Vertical Wall Digging Depth	7.85 ft
Max Digging Depth	10.11 ft
Boom/Stick Option (Hex) 1	Stick 4'4" (1320mm)
Dimensions and weight
Width To Outside Of Tracks	5.58 ft
Length Of Track On Ground	5.58 ft
Ground Clearance	1.09 ft
Height To Top Of Cab	8.44 ft
Tail Swing Radius	2.79 ft
Removal Counterweight Clearance	1.88 ft
Undercarriage
Shoe Size	11.82 in
Track Gauge	4.6 ft
Drawbar Pull	8,587 lb
Ground Pressure	4.7 psi
Max Travel Speed	2.8 mph
Engine
Number Of Cylinders	3
Engine Model	3TNV88-PYB
Net Power	28.4 hp
Power Measured @	2,400 rpm
Displacement	100.2 cu in
Operational
Operating Weight	8,380 lb
Fuel Capacity	10.1 gal
Hydraulic System Fluid Capacity	12.7 gal
Operating Voltage	12 V
Alternator Supplied Amperage	40 amps
Hydraulic System Relief Valve Pressure	3,336 psi
Hydraulic Pump Flow Capacity	28.6 gpm
Swing Mechanism
Swing Speed	8.9 rpm
Swing Torque	752 lb-ft
Buckets
Reference Bucket Capacity	0.2 yd3

Source

SK30SR-5

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	14.41 ft
Shipping Height Of Unit	8.44 ft
Max Loading Height	9.29 ft
Max Reach Along Ground	15.69 ft
Max Vertical Wall Digging Depth	7.09 ft
Max Digging Depth	9.22 ft
Dimensions and weight
Width To Outside Of Tracks	5.09 ft
Length Of Track On Ground	5.06 ft
Ground Clearance	1.09 ft
Tail Swing Radius	2.55 ft
Undercarriage
Shoe Size	11.82 in
Max Travel Speed	2.8 mph
Engine
Number Of Cylinders	3
Engine Model	3TNV88
Power Measured @	2,400 rpm
Displacement	100.1 cu in
Gross Power	28.5 hp
Operational
Operating Weight	6,614 lb
Hydraulic System Relief Valve Pressure	3,336 psi
Hydraulic Pump Flow Capacity	26.5 gpm
Buckets
Reference Bucket Capacity	0.1 yd3

Source

Compare Kobelco 30SR-3, 35SR ACERA, 35SR-3, SK30SR-5

Boom/Stick Option (Hex) 1
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Shipping Length Of Unit	14.41 ft	15.46 ft	15.46 ft	14.41 ft
Shipping Height Of Unit	8.44 ft	8.57 ft	8.44 ft	8.44 ft
Max Loading Height	11.03 ft	11.75 ft	11.75 ft	9.29 ft
Max Reach Along Ground	15.69 ft	16.77 ft	16.77 ft	15.69 ft
Max Vertical Wall Digging Depth	7.09 ft	7.85 ft	7.85 ft	7.09 ft
Max Digging Depth	9.22 ft	10.11 ft	10.11 ft	9.22 ft

Dimensions and weight
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Width To Outside Of Tracks	5.09 ft	5.58 ft	5.58 ft	5.09 ft
Length Of Track On Ground	6.57 ft	5.58 ft	5.58 ft	5.06 ft
Ground Clearance	1.09 ft	1.09 ft	1.09 ft	1.09 ft
Tail Swing Radius	2.55 ft	2.79 ft	2.79 ft	2.55 ft

Undercarriage
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Shoe Size	11.82 in	11.82 in	11.82 in	11.82 in
Max Travel Speed	2.8 mph	2.8 mph	2.8 mph	2.8 mph

Engine
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Number Of Cylinders	3	3	3	3
Engine Model	3TNV88-PYB	3TNV88-BPYB	3TNV88-PYB	3TNV88
Power Measured @	2,400 rpm	2,400 rpm	2,400 rpm	2,400 rpm
Displacement	100.2 cu in	100 cu in	100.2 cu in	100.1 cu in

Operational
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Operating Weight	7,100 lb	7,959 lb	8,380 lb	6,614 lb
Hydraulic System Relief Valve Pressure	3,336 psi	3,336 psi	3,336 psi	3,336 psi
Hydraulic Pump Flow Capacity	22.6 gpm	20.3 gpm	28.6 gpm	26.5 gpm

Buckets
Specification	30SR-3	35SR ACERA	35SR-3	SK30SR-5
Reference Bucket Capacity	0.2 yd3	0.2 yd3	0.2 yd3	0.1 yd3

More in Kobelco: SK45SRX-6E/SK55SRX-6E specs, SK30SR-6E/SK35SR-6E, 50SR ACERA–SK55SR-5.

Kobelco 30SR-3 to SK30SR-5 specifications

Kobelco 30SR-3 to SK30SR-5: excavator

Sources for this page

Kobelco 30SR-3 to SK30SR-5: Configuration records