Machine models

Kubota KX057-4A1 to KX057-4W1 specifications

Entries in this reference
Listing-entry count
4

Short answer

Kubota KX057-4A1 to KX057-4W1: full-size excavators.

Selected configuration figures
Configuration	Documented field and quantity
KX057-4A1	Gross Power 47.6 hp Operating Weight 26,268 lb
KX057-4G1	Gross Power 47.6 hp Operating Weight 26,896 lb
KX057-4GA1	Gross Power 47.6 hp Operating Weight 26,896 lb
KX057-4W1	Gross Power 47.6 hp Operating Weight 26,896 lb

KX057-4A1 to KX057-4W1 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Kubota	KX057-4A1 to KX057-4W1	4	KX057-4A1, KX057-4G1, KX057-4GA1, and KX057-4W1

Boom/Stick Option (Hex) 1
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Max Vertical Wall Digging Depth	5.62 ft	5.62 ft	5.62 ft	5.62 ft
Max Digging Depth	12.69 ft	12.69 ft	12.69 ft	12.69 ft
Max.Dumping Height	13.72 ft	13.72 ft	13.72 ft	13.72 ft
Mximum Dig Radius	245.67 in	245.67 in	245.67 in	245.67 in
Max Digging Height	18.84 ft	18.84 ft	18.84 ft	18.84 ft

Dimensions and weight
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Ground Clearance	1.02 ft	1.02 ft	1.02 ft	1.02 ft
Overall Height	8.37 ft	8.37 ft	8.37 ft	8.37 ft
Overall Length	18.12 ft	18.12 ft	18.12 ft	18.12 ft
Overall Width	77.17 in	77.17 in	77.17 in	77.17 in

Specification	KX057-4G1	KX057-4GA1	KX057-4W1
Tail Swing Radius	4.17 ft	4.17 ft	4.17 ft

Specification	KX057-4G1
Undercarriage Width	1.32 ft

Undercarriage
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Shoe Size	15.75 in	15.75 in	15.75 in	15.75 in
Ground Pressure	4.51 psi	4.51 psi	4.51 psi	4.51 psi

Engine
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Number Of Cylinders	4	4	4	4
Engine Model	KX057-4	V2607-DI	V2607-DI	V2607-DI
Gross Power	47.6 hp	47.6 hp	47.6 hp	47.6 hp
Net Power	45.4 hp	45.2 hp	45.2 hp	45.2 hp
Power Measured @	2,200 rpm	2,200 rpm	2,200 rpm	2,200 rpm
Displacement	9,739 cu in	9,739 cu in	9,739 cu in	9,739 cu in
Model Name	KX057-4(1)	KX057-4G1	KX057-4GA1	KX057-4W(1)

Specification	KX057-4G1
Engine Make	Kubota

Operational
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Auxiliary Hydraulic Flow	19.9 gpm	19.9 gpm	19.9 gpm	19.9 gpm
Travel Speed, Low Range	1.8 mph	1.8 mph	1.8 mph	1.8 mph
Travel Speed, High Range	3.1 mph	3.1 mph	3.1 mph	3.1 mph
Operating Weight Cabin	26,709 lb	27,337 lb	27,337 lb	27,337 lb
Auxiliary Fuel Tank	9.8 gal	9.8 gal	9.8 gal	9.8 gal
Operating Weight	26,268 lb	26,896 lb	26,896 lb	26,896 lb
Fuel Capacity	18 gal	19.9 gal	19.9 gal	19.9 gal
Hydraulic System Fluid Capacity	20.9 gal	20.9 gal	20.9 gal	20.9 gal
Hydraulic Pump Flow Capacity	11.9 gpm	11.9 gpm	11.9 gpm	11.9 gpm

Specification	KX057-4G1
Cooling System Fluid Capacity	2.2 gal

Swing Mechanism
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Swing Speed	9.3 rpm	9.3 rpm	9.3 rpm	9.3 rpm

Blade
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Maximum Drop Below Ground	1.4 ft	1.4 ft	1.4 ft	1.4 ft
Blade Lift Height	17.4 in	17.4 in	17.4 in	17.4 in
Blade width	6.5 ft	6.5 ft	6.5 ft	7.2 ft

Boom
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Boom Swing Left	70 degrees	70 degrees	70 degrees	70 degrees
Boom Swing Right	55 degrees	55 degrees	55 degrees	55 degrees

Variants — Source comparison annotation
Source guide	Differing-field count reported
KX057-4A1 to KX057-4W1	11

Ratios
Figure	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Engine horsepower per 1,000 lb of weight	1.7	1.7	1.7	1.7
Fuel tank per engine horsepower	0.40 gal	0.44 gal	0.44 gal	0.44 gal

KX057-4A1 to KX057-4W1: owner reports

Sources: 3 forum discussions about the Kubota KX057-5 mini excavators; heavyequipmentforums.com.

Work light wiring, buying against the Deere 60P and manuals. An owner whose added cab work lights caused wiring trouble, a buyer choosing between a KX057-5 and a Deere 60P for forestry and land clearing, told both are good but leaning Kubota, and a new owner looking for operator and service manuals, pointed to Kubota's online illustrated parts and manuals site. Threads read: 1, 2, 3.

KX057-4A1 to KX057-4W1: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums and TractorByNet	full-size excavator	Kubota and the KX057 line that the KX057-4A1, KX057-4G1, KX057-4GA1, KX057-4W1 belongs to (no title names the exact model)	60

Topics named by those titles
Title topic	Titles
parts and manuals	4

Topic in the title	Threads	Share of matching threads
parts and manuals	4	7%

2012 Kubota Kx057 4 Tier 3 Antitheft Issues With Replacing Main ECU (Heavy Equipment Forums, 2026-04-06)
Kubota Kx057 5 Vs Deere 60p (Heavy Equipment Forums, 2025-12-15)
Kubota Kx057 5 Cab Light Issues (Heavy Equipment Forums, 2025-03-08)
Kubota Kx057 Error On Readout (TractorByNet, 2025-01-28)

KX057-4A1 to KX057-4W1: 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	KX057-4A1, KX057-4G1, KX057-4GA1	No matching offers in this snapshot

Dated CPSC search
Date	Database	Names queried	Result
2026-09-24	U.S. Consumer Product Safety Commission	Kubota; KX057-4A1, KX057-4G1, KX057-4GA1	No matching recall in the stated search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Kubota KX057-4A1 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kubota KX057-4G1 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kubota KX057-4GA1 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kubota KX057-4W1 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Kubota KX057-4A1 to KX057-4W1 — Heavy Equipment Forums. Observed 2026-09-24.
Forum threads	Forum threads: TractorByNet thread index for Kubota KX057-4A1 to KX057-4W1 — TractorByNet. Observed 2026-09-24.
Forum threads	Forum threads: Forum threads read for the Kubota KX057-5 mini excavators — Heavyequipmentforums. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Kubota — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Kubota KX057-4A1 to KX057-4W1: Configuration records

KX057-4A1

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth	5.62 ft
Max Digging Depth	12.69 ft
Max.Dumping Height	13.72 ft
Mximum Dig Radius	245.67 in
Max Digging Height	18.84 ft
Dimensions and weight
Ground Clearance	1.02 ft
Overall Height	8.37 ft
Overall Length	18.12 ft
Overall Width	77.17 in
Undercarriage
Shoe Size	15.75 in
Ground Pressure	4.51 psi
Engine
Number Of Cylinders	4
Gross Power	47.6 hp
Net Power	45.4 hp
Power Measured @	2,200 rpm
Operational
Auxiliary Hydraulic Flow	19.9 gpm
Travel Speed, Low Range	1.8 mph
Travel Speed, High Range	3.1 mph
Swing Mechanism
Swing Speed	9.3 rpm
Blade
Maximum Drop Below Ground	1.4 ft
Blade Lift Height	17.4 in
Blade width	6.5 ft
Boom
Boom Swing Left	70 degrees
Boom Swing Right	55 degrees
Additional specifications
Engine Model	KX057-4
Model Name	KX057-4(1)
Auxiliary Fuel Tank	9.8 gal
Operating Weight	26,268 lb
Fuel Capacity	18 gal
Hydraulic System Fluid Capacity	20.9 gal
Hydraulic Pump Flow Capacity	11.9 gpm

Source

KX057-4G1

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth	5.62 ft
Max Digging Depth	12.69 ft
Max.Dumping Height	13.72 ft
Mximum Dig Radius	245.67 in
Max Digging Height	18.84 ft
Dimensions and weight
Ground Clearance	1.02 ft
Overall Height	8.37 ft
Overall Length	18.12 ft
Overall Width	77.17 in
Tail Swing Radius	4.17 ft
Undercarriage Width	1.32 ft
Undercarriage
Shoe Size	15.75 in
Ground Pressure	4.51 psi
Engine
Number Of Cylinders	4
Gross Power	47.6 hp
Net Power	45.2 hp
Power Measured @	2,200 rpm
Operational
Auxiliary Hydraulic Flow	19.9 gpm
Travel Speed, Low Range	1.8 mph
Travel Speed, High Range	3.1 mph
Swing Mechanism
Swing Speed	9.3 rpm
Blade
Maximum Drop Below Ground	1.4 ft
Blade Lift Height	17.4 in
Blade width	6.5 ft
Boom
Boom Swing Left	70 degrees
Boom Swing Right	55 degrees
Additional specifications
Engine Model	V2607-DI
Model Name	KX057-4G1
Engine Make	Kubota
Auxiliary Fuel Tank	9.8 gal
Operating Weight	26,896 lb
Fuel Capacity	19.9 gal
Hydraulic System Fluid Capacity	20.9 gal
Hydraulic Pump Flow Capacity	11.9 gpm
Cooling System Fluid Capacity	2.2 gal

Source

KX057-4GA1

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth	5.62 ft
Max Digging Depth	12.69 ft
Max.Dumping Height	13.72 ft
Mximum Dig Radius	245.67 in
Max Digging Height	18.84 ft
Dimensions and weight
Ground Clearance	1.02 ft
Overall Height	8.37 ft
Overall Length	18.12 ft
Overall Width	77.17 in
Tail Swing Radius	4.17 ft
Undercarriage
Shoe Size	15.75 in
Ground Pressure	4.51 psi
Engine
Number Of Cylinders	4
Gross Power	47.6 hp
Net Power	45.2 hp
Power Measured @	2,200 rpm
Operational
Auxiliary Hydraulic Flow	19.9 gpm
Travel Speed, Low Range	1.8 mph
Travel Speed, High Range	3.1 mph
Swing Mechanism
Swing Speed	9.3 rpm
Blade
Maximum Drop Below Ground	1.4 ft
Blade Lift Height	17.4 in
Blade width	6.5 ft
Boom
Boom Swing Left	70 degrees
Boom Swing Right	55 degrees
Additional specifications
Engine Model	V2607-DI
Model Name	KX057-4GA1
Auxiliary Fuel Tank	9.8 gal
Operating Weight	26,896 lb
Fuel Capacity	19.9 gal
Hydraulic System Fluid Capacity	20.9 gal
Hydraulic Pump Flow Capacity	11.9 gpm

Source

KX057-4W1

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth	5.62 ft
Max Digging Depth	12.69 ft
Max.Dumping Height	13.72 ft
Mximum Dig Radius	245.67 in
Max Digging Height	18.84 ft
Dimensions and weight
Ground Clearance	1.02 ft
Overall Height	8.37 ft
Overall Length	18.12 ft
Overall Width	77.17 in
Tail Swing Radius	4.17 ft
Undercarriage
Shoe Size	15.75 in
Ground Pressure	4.51 psi
Engine
Number Of Cylinders	4
Gross Power	47.6 hp
Net Power	45.2 hp
Power Measured @	2,200 rpm
Operational
Auxiliary Hydraulic Flow	19.9 gpm
Travel Speed, Low Range	1.8 mph
Travel Speed, High Range	3.1 mph
Swing Mechanism
Swing Speed	9.3 rpm
Blade
Maximum Drop Below Ground	1.4 ft
Blade Lift Height	17.4 in
Blade width	7.2 ft
Boom
Boom Swing Left	70 degrees
Boom Swing Right	55 degrees
Additional specifications
Engine Model	V2607-DI
Model Name	KX057-4W(1)
Auxiliary Fuel Tank	9.8 gal
Operating Weight	26,896 lb
Fuel Capacity	19.9 gal
Hydraulic System Fluid Capacity	20.9 gal
Hydraulic Pump Flow Capacity	11.9 gpm

Source

Compare Kubota KX057-4A1, KX057-4G1, KX057-4GA1, KX057-4W1

Boom/Stick Option (Hex) 1
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Max Vertical Wall Digging Depth	5.62 ft	5.62 ft	5.62 ft	5.62 ft
Max Digging Depth	12.69 ft	12.69 ft	12.69 ft	12.69 ft
Max.Dumping Height	13.72 ft	13.72 ft	13.72 ft	13.72 ft
Mximum Dig Radius	245.67 in	245.67 in	245.67 in	245.67 in
Max Digging Height	18.84 ft	18.84 ft	18.84 ft	18.84 ft

Dimensions and weight
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Ground Clearance	1.02 ft	1.02 ft	1.02 ft	1.02 ft
Overall Height	8.37 ft	8.37 ft	8.37 ft	8.37 ft
Overall Length	18.12 ft	18.12 ft	18.12 ft	18.12 ft
Overall Width	77.17 in	77.17 in	77.17 in	77.17 in

Undercarriage
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Shoe Size	15.75 in	15.75 in	15.75 in	15.75 in
Ground Pressure	4.51 psi	4.51 psi	4.51 psi	4.51 psi

Engine
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Number Of Cylinders	4	4	4	4
Engine Model	KX057-4	V2607-DI	V2607-DI	V2607-DI
Gross Power	47.6 hp	47.6 hp	47.6 hp	47.6 hp
Net Power	45.4 hp	45.2 hp	45.2 hp	45.2 hp
Power Measured @	2,200 rpm	2,200 rpm	2,200 rpm	2,200 rpm
Model Name	KX057-4(1)	KX057-4G1	KX057-4GA1	KX057-4W(1)

Operational
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Auxiliary Hydraulic Flow	19.9 gpm	19.9 gpm	19.9 gpm	19.9 gpm
Travel Speed, Low Range	1.8 mph	1.8 mph	1.8 mph	1.8 mph
Travel Speed, High Range	3.1 mph	3.1 mph	3.1 mph	3.1 mph
Auxiliary Fuel Tank	9.8 gal	9.8 gal	9.8 gal	9.8 gal
Operating Weight	26,268 lb	26,896 lb	26,896 lb	26,896 lb
Fuel Capacity	18 gal	19.9 gal	19.9 gal	19.9 gal
Hydraulic System Fluid Capacity	20.9 gal	20.9 gal	20.9 gal	20.9 gal
Hydraulic Pump Flow Capacity	11.9 gpm	11.9 gpm	11.9 gpm	11.9 gpm

Swing Mechanism
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Swing Speed	9.3 rpm	9.3 rpm	9.3 rpm	9.3 rpm

Blade
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Maximum Drop Below Ground	1.4 ft	1.4 ft	1.4 ft	1.4 ft
Blade Lift Height	17.4 in	17.4 in	17.4 in	17.4 in
Blade width	6.5 ft	6.5 ft	6.5 ft	7.2 ft

Boom
Specification	KX057-4A1	KX057-4G1	KX057-4GA1	KX057-4W1
Boom Swing Left	70 degrees	70 degrees	70 degrees	70 degrees
Boom Swing Right	55 degrees	55 degrees	55 degrees	55 degrees

More in Kubota: KX080-4S–KX080-4SW, KX080-3, KX080-5.

Kubota KX057-4A1 to KX057-4W1 specifications

KX057-4A1 to KX057-4W1: owner reports

Sources for this page

Kubota KX057-4A1 to KX057-4W1: Configuration records