Machine models

Kobelco 70SR to 80CS ACERA specifications

Entries in this reference
Listing-entry count
4

Short answer

Kobelco 70SR to 80CS ACERA: full-size excavators.

Selected configuration figures
Configuration	Documented field and quantity
70SR	Net Power 54 hp Operating Weight 16,400 lb
70SR ACERA	Net Power 55.7 hp Operating Weight 17,284 lb
80CS	Net Power 54 hp Operating Weight 17,600 lb
80CS ACERA	Net Power 55.7 hp Operating Weight 18,938 lb

70SR to 80CS ACERA specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Kobelco	70SR to 80CS ACERA	4	70SR, 70SR ACERA, 80CS, and 80CS ACERA

Boom/Stick Option (Hex) 1
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Shipping Length Of Unit	19 ft	20.94 ft	22.18 ft	23.17 ft
Shipping Height Of Unit	8.54 ft	9.72 ft	8.54 ft	9.65 ft
Max Cutting Height	24.61 ft	25.23 ft	22.28 ft	23.76 ft
Max Loading Height	17.82 ft	18.48 ft	15.69 ft	17.03 ft
Max Reach Along Ground	21.56 ft	21.99 ft	23 ft	24.61 ft
Max Vertical Wall Digging Depth	13.03 ft	12.67 ft	10.41 ft	12.5 ft
Max Digging Depth	14.83 ft	15.03 ft	14.38 ft	15.42 ft
Boom/Stick Option (Hex) 1	stick 6\'9\" 2070mm	Boom 12\'7\" (3840mm) / Stick 7\'0\" (2130mm)	Stick 5\'11\" 1800mm	Boom 12\'1\" (3670mm) / Stick 7\'0\" (2130mm)

Dimensions and weight
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Width To Outside Of Tracks	8.11 ft	8.17 ft	8.17 ft	8.17 ft
Length Of Track On Ground	7.35 ft	7.35 ft	7.35 ft	7.35 ft
Ground Clearance	1.25 ft	1.19 ft	1.32 ft	1.19 ft
Height To Top Of Cab	8.54 ft	8.99 ft	8.54 ft	8.99 ft
Tail Swing Radius	3.81 ft	4.24 ft	5.42 ft	5.88 ft
Removal Counterweight Clearance	2.47 ft	2.42 ft	2.53 ft	2.4 ft

Undercarriage
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Shoe Size	23.63 in	23.63 in	23.63 in	23.63 in
Track Gauge	6.14 ft	6.14 ft	6.14 ft	6.14 ft
Drawbar Pull	15,500 lb	16,100 lb	15,421 lb	16,100 lb
Ground Pressure	3.4 psi	3.79 psi	3.85 psi	4.16 psi
Max Travel Speed	3.4 mph	3.3 mph	3.1 mph	3.3 mph

Engine
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Number Of Cylinders	4	4	4	4
Engine Model	A-4JB1	AU-4LE2X	A-4JB1	AU-4LE2X
Net Power	54 hp	55.7 hp	54 hp	55.7 hp
Power Measured @	2,100 rpm	2,200 rpm	2,100 rpm	2,200 rpm
Displacement	169 cu in	133 cu in	169 cu in	133 cu in

Specification	70SR ACERA	80CS ACERA
Max Torque	148 lb-ft	148 lb-ft
Torque Measured @	1,600 rpm	1,600 rpm
Aspiration	Turbocharged w/ Intercooler	Turbocharged w/ Intercooler

Operational
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Operating Weight	16,400 lb	17,284 lb	17,600 lb	18,938 lb
Fuel Capacity	22.5 gal	31.8 gal	26 gal	31.8 gal
Hydraulic System Fluid Capacity	24 gal	23.8 gal	31 gal	23.8 gal
Alternator Supplied Amperage	30 amps	50 amps	30 amps	50 amps
Hydraulic System Relief Valve Pressure	4,250 psi	4,770 psi	4,250 psi	4,770 psi
Hydraulic Pump Flow Capacity	53 gpm	34.9 gpm	53 gpm	34.9 gpm

Specification	70SR	80CS
Operating Voltage	24 V	24 V

Specification	70SR ACERA	80CS ACERA
Cooling System Fluid Capacity	2.3 gal	2.3 gal
Engine Oil Capacity	3 gal	3 gal
Operational Voltage	12 V	12 V

Swing Mechanism
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Swing Speed	12.5 rpm	11.5 rpm	12.5 rpm	11.5 rpm

Specification	70SR	80CS
Swing Torque	14,060 lb-ft	14,060 lb-ft

Buckets
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Reference Bucket Capacity	0.3 yd3	0.4 yd3	0.4 yd3	0.4 yd3
Minimum Bucket Capacity	0.3 yd3	0.3 yd3	0.3 yd3	0.3 yd3
Maximum Bucket Capacity	0.6 yd3	0.6 yd3	0.6 yd3	0.6 yd3

Variants — Source comparison annotation
Source guide	Differing-field count reported
70SR to 80CS ACERA	36

Ratios
Figure	70SR	70SR ACERA	80CS	80CS ACERA
Engine horsepower per 1,000 lb of weight	3.3	3.2	3.1	2.9
Fuel tank per engine horsepower	0.42 gal	0.57 gal	0.48 gal	0.57 gal
Hydraulic power from the listed pump flow and relief pressure	131.4 hp	97.1 hp	131.4 hp	97.1 hp

Reference directory classification
Equipment group	full-size excavator

70SR to 80CS ACERA: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	full-size excavator	Kobelco and the 70SR, 80CS line that the 70SR, 70SR ACERA, 80CS, 80CS ACERA belongs to (no title names the exact model). That is too few titles to say what owners mostly ask about, so the most recent are listed instead	8

Adding Aux Circut To Kobelco 80cs To Run Rototilt (Heavy Equipment Forums, 2024-12-20)
Kobelco 80cs Excavator (Heavy Equipment Forums, 2016-02-15)
Kobelco 80cs Excavator (Heavy Equipment Forums, 2016-02-04)
Thoughts On Purchase Of 2008 Kobelco 70sr With 2508 Hrs (Heavy Equipment Forums, 2013-07-19)

70SR to 80CS ACERA: dated market and recall observations — Dated listing search
Date	Listing index	Equipment class	Names queried	Result
2026-09-24	MachineryTrader (machinerytrader.com)	full-size excavator	70SR, 70SR ACERA, 80CS	No matching offers in this snapshot

Dated CPSC search
Date	Database	Names queried	Result
2026-09-24	U.S. Consumer Product Safety Commission	Kobelco; 70SR, 70SR ACERA, 80CS	No matching recall in the stated search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Kobelco 70SR — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kobelco 70SR ACERA — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kobelco 80CS — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kobelco 80CS ACERA — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Kobelco 70SR to 80CS ACERA — 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.

Recorded observations — Forum-title snapshot
Observation field	Recorded value
Title count	8
Forum indexes	Heavy Equipment Forums
Search wording	the 70SR to 80CS ACERA full-size excavator
Latest title quoted by the reference	Adding Aux Circut To Kobelco 80cs To Run Rototilt

Kobelco 70SR to 80CS ACERA: Configuration records

70SR

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	19 ft
Shipping Height Of Unit	8.54 ft
Max Cutting Height	24.61 ft
Max Loading Height	17.82 ft
Max Reach Along Ground	21.56 ft
Max Vertical Wall Digging Depth	13.03 ft
Max Digging Depth	14.83 ft
Boom/Stick Option (Hex) 1	stick 6'9" 2070mm
Dimensions and weight
Width To Outside Of Tracks	8.11 ft
Length Of Track On Ground	7.35 ft
Ground Clearance	1.25 ft
Height To Top Of Cab	8.54 ft
Tail Swing Radius	3.81 ft
Removal Counterweight Clearance	2.47 ft
Undercarriage
Shoe Size	23.63 in
Drawbar Pull	15,500 lb
Ground Pressure	3.4 psi
Max Travel Speed	3.4 mph
Engine
Number Of Cylinders	4
Engine Model	A-4JB1
Net Power	54 hp
Power Measured @	2,100 rpm
Displacement	169 cu in
Operational
Fuel Capacity	22.5 gal
Operating Voltage	24 V
Hydraulic System Fluid Capacity	24 gal
Alternator Supplied Amperage	30 amps
Hydraulic System Relief Valve Pressure	4,250 psi
Hydraulic Pump Flow Capacity	53 gpm
Buckets
Reference Bucket Capacity	0.3 yd3
Minimum Bucket Capacity	0.3 yd3
Maximum Bucket Capacity	0.6 yd3
Additional specifications
Track Gauge	6.14 ft
Operating Weight	16,400 lb
Swing Speed	12.5 rpm
Swing Torque	14,060 lb-ft

Source

70SR ACERA

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	20.94 ft
Shipping Height Of Unit	9.72 ft
Max Cutting Height	25.23 ft
Max Loading Height	18.48 ft
Max Reach Along Ground	21.99 ft
Max Vertical Wall Digging Depth	12.67 ft
Max Digging Depth	15.03 ft
Boom/Stick Option (Hex) 1	Boom 12'7" (3840mm) / Stick 7'0" (2130mm)
Dimensions and weight
Width To Outside Of Tracks	8.17 ft
Length Of Track On Ground	7.35 ft
Ground Clearance	1.19 ft
Height To Top Of Cab	8.99 ft
Tail Swing Radius	4.24 ft
Removal Counterweight Clearance	2.42 ft
Undercarriage
Shoe Size	23.63 in
Drawbar Pull	16,100 lb
Ground Pressure	3.79 psi
Max Travel Speed	3.3 mph
Engine
Number Of Cylinders	4
Engine Model	AU-4LE2X
Net Power	55.7 hp
Power Measured @	2,200 rpm
Displacement	133 cu in
Max Torque	148 lb-ft
Torque Measured @	1,600 rpm
Aspiration	Turbocharged w/ Intercooler
Operational
Fuel Capacity	31.8 gal
Hydraulic System Fluid Capacity	23.8 gal
Alternator Supplied Amperage	50 amps
Hydraulic System Relief Valve Pressure	4,770 psi
Hydraulic Pump Flow Capacity	34.9 gpm
Cooling System Fluid Capacity	2.3 gal
Engine Oil Capacity	3 gal
Operational Voltage	12 V
Buckets
Reference Bucket Capacity	0.4 yd3
Minimum Bucket Capacity	0.3 yd3
Maximum Bucket Capacity	0.6 yd3
Additional specifications
Track Gauge	6.14 ft
Operating Weight	17,284 lb
Swing Speed	11.5 rpm

Source

80CS

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	22.18 ft
Shipping Height Of Unit	8.54 ft
Max Cutting Height	22.28 ft
Max Loading Height	15.69 ft
Max Reach Along Ground	23 ft
Max Vertical Wall Digging Depth	10.41 ft
Max Digging Depth	14.38 ft
Boom/Stick Option (Hex) 1	Stick 5'11" 1800mm
Dimensions and weight
Width To Outside Of Tracks	8.17 ft
Length Of Track On Ground	7.35 ft
Ground Clearance	1.32 ft
Height To Top Of Cab	8.54 ft
Tail Swing Radius	5.42 ft
Removal Counterweight Clearance	2.53 ft
Undercarriage
Shoe Size	23.63 in
Drawbar Pull	15,421 lb
Ground Pressure	3.85 psi
Max Travel Speed	3.1 mph
Engine
Number Of Cylinders	4
Engine Model	A-4JB1
Net Power	54 hp
Power Measured @	2,100 rpm
Displacement	169 cu in
Operational
Fuel Capacity	26 gal
Operating Voltage	24 V
Hydraulic System Fluid Capacity	31 gal
Alternator Supplied Amperage	30 amps
Hydraulic System Relief Valve Pressure	4,250 psi
Hydraulic Pump Flow Capacity	53 gpm
Buckets
Reference Bucket Capacity	0.4 yd3
Minimum Bucket Capacity	0.3 yd3
Maximum Bucket Capacity	0.6 yd3
Additional specifications
Track Gauge	6.14 ft
Operating Weight	17,600 lb
Swing Speed	12.5 rpm
Swing Torque	14,060 lb-ft

Source

80CS ACERA

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	23.17 ft
Shipping Height Of Unit	9.65 ft
Max Cutting Height	23.76 ft
Max Loading Height	17.03 ft
Max Reach Along Ground	24.61 ft
Max Vertical Wall Digging Depth	12.5 ft
Max Digging Depth	15.42 ft
Boom/Stick Option (Hex) 1	Boom 12'1" (3670mm) / Stick 7'0" (2130mm)
Dimensions and weight
Width To Outside Of Tracks	8.17 ft
Length Of Track On Ground	7.35 ft
Ground Clearance	1.19 ft
Height To Top Of Cab	8.99 ft
Tail Swing Radius	5.88 ft
Removal Counterweight Clearance	2.4 ft
Undercarriage
Shoe Size	23.63 in
Drawbar Pull	16,100 lb
Ground Pressure	4.16 psi
Max Travel Speed	3.3 mph
Engine
Number Of Cylinders	4
Engine Model	AU-4LE2X
Net Power	55.7 hp
Power Measured @	2,200 rpm
Displacement	133 cu in
Max Torque	148 lb-ft
Torque Measured @	1,600 rpm
Aspiration	Turbocharged w/ Intercooler
Operational
Fuel Capacity	31.8 gal
Hydraulic System Fluid Capacity	23.8 gal
Alternator Supplied Amperage	50 amps
Hydraulic System Relief Valve Pressure	4,770 psi
Hydraulic Pump Flow Capacity	34.9 gpm
Cooling System Fluid Capacity	2.3 gal
Engine Oil Capacity	3 gal
Operational Voltage	12 V
Buckets
Reference Bucket Capacity	0.4 yd3
Minimum Bucket Capacity	0.3 yd3
Maximum Bucket Capacity	0.6 yd3
Additional specifications
Track Gauge	6.14 ft
Operating Weight	18,938 lb
Swing Speed	11.5 rpm

Source

Compare Kobelco 70SR, 70SR ACERA, 80CS, 80CS ACERA

Boom/Stick Option (Hex) 1
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Shipping Length Of Unit	19 ft	20.94 ft	22.18 ft	23.17 ft
Shipping Height Of Unit	8.54 ft	9.72 ft	8.54 ft	9.65 ft
Max Cutting Height	24.61 ft	25.23 ft	22.28 ft	23.76 ft
Max Loading Height	17.82 ft	18.48 ft	15.69 ft	17.03 ft
Max Reach Along Ground	21.56 ft	21.99 ft	23 ft	24.61 ft
Max Vertical Wall Digging Depth	13.03 ft	12.67 ft	10.41 ft	12.5 ft
Max Digging Depth	14.83 ft	15.03 ft	14.38 ft	15.42 ft

Dimensions and weight
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Width To Outside Of Tracks	8.11 ft	8.17 ft	8.17 ft	8.17 ft
Length Of Track On Ground	7.35 ft	7.35 ft	7.35 ft	7.35 ft
Ground Clearance	1.25 ft	1.19 ft	1.32 ft	1.19 ft
Height To Top Of Cab	8.54 ft	8.99 ft	8.54 ft	8.99 ft
Tail Swing Radius	3.81 ft	4.24 ft	5.42 ft	5.88 ft
Removal Counterweight Clearance	2.47 ft	2.42 ft	2.53 ft	2.4 ft

Undercarriage
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Shoe Size	23.63 in	23.63 in	23.63 in	23.63 in
Track Gauge	6.14 ft	6.14 ft	6.14 ft	6.14 ft
Drawbar Pull	15,500 lb	16,100 lb	15,421 lb	16,100 lb
Ground Pressure	3.4 psi	3.79 psi	3.85 psi	4.16 psi
Max Travel Speed	3.4 mph	3.3 mph	3.1 mph	3.3 mph

Engine
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Number Of Cylinders	4	4	4	4
Engine Model	A-4JB1	AU-4LE2X	A-4JB1	AU-4LE2X
Net Power	54 hp	55.7 hp	54 hp	55.7 hp
Power Measured @	2,100 rpm	2,200 rpm	2,100 rpm	2,200 rpm
Displacement	169 cu in	133 cu in	169 cu in	133 cu in

Operational
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Operating Weight	16,400 lb	17,284 lb	17,600 lb	18,938 lb
Fuel Capacity	22.5 gal	31.8 gal	26 gal	31.8 gal
Hydraulic System Fluid Capacity	24 gal	23.8 gal	31 gal	23.8 gal
Alternator Supplied Amperage	30 amps	50 amps	30 amps	50 amps
Hydraulic System Relief Valve Pressure	4,250 psi	4,770 psi	4,250 psi	4,770 psi
Hydraulic Pump Flow Capacity	53 gpm	34.9 gpm	53 gpm	34.9 gpm

Swing Mechanism
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Swing Speed	12.5 rpm	11.5 rpm	12.5 rpm	11.5 rpm

Buckets
Specification	70SR	70SR ACERA	80CS	80CS ACERA
Reference Bucket Capacity	0.3 yd3	0.4 yd3	0.4 yd3	0.4 yd3
Minimum Bucket Capacity	0.3 yd3	0.3 yd3	0.3 yd3	0.3 yd3
Maximum Bucket Capacity	0.6 yd3	0.6 yd3	0.6 yd3	0.6 yd3

More in Kobelco: SK75SR-3E/SK85CS-3E, 235SR LC/SK250 LC, SK135SR-2.

Kobelco 70SR to 80CS ACERA specifications

Sources for this page

Kobelco 70SR to 80CS ACERA: Configuration records