FieldSpec
Equipment menu

Machine models

Kubota KX91-3HGLS2, U17-HGS, and U25-HGS specifications

Entries in this reference
Listing-entry count
3
Short answer

Kubota KX91-3HGLS2, U17-HGS, and U25-HGS: excavators.

Selected configuration figures
ConfigurationDocumented field and quantity
KX91-3HGLS2
Model Name
KX91-3HGLS2
U17-HGS
Gross Power
17 hp
Operating Weight
3,704 lb
U25-HGS
Gross Power
20.9 hp
Operating Weight
5,611 lb
KX91-3HGLS2, U17-HGS, and U25-HGS specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
KubotaKX91-3HGLS2, U17-HGS, and U25-HGS3KX91-3HGLS2, U17-HGS, and U25-HGS
Boom/Stick Option (Hex) 1
SpecificationKX91-3HGLS2U17-HGSU25-HGS
Max Vertical Wall Digging Depth6.27 ft6.27 ft8.47 ft
Max Digging Depth7.58 ft7.58 ft9.22 ft
Mximum Dig Radius153.55 in153.55 in187.8 in
Max.Dumping Height8.01 ft8.01 ft10.54 ft
Max Digging Height11.62 ft11.62 ft14.87 ft
Dimensions and weight
SpecificationKX91-3HGLS2U17-HGSU25-HGS
Ground Clearance0.5 ft0.5 ft0.5 ft
Tail Swing Radius2.04 ft2.04 ft2.5 ft
Overall Height7.68 ft7.68 ft7.68 ft
Overall Length11.64 ft11.64 ft11.64 ft
Crawler Length5.21 ft5.21 ft5.21 ft
Undercarriage
SpecificationKX91-3HGLS2U17-HGSU25-HGS
Shoe Size9.06 in9.06 in11.82 in
Ground Pressure3.7 psi3.7 psi3.33 psi
Drawbar Pull4,865 lb4,865 lb6,745 lb
Engine
SpecificationKX91-3HGLS2U17-HGSU25-HGS
Number Of Cylinders333
Engine MakeKubotaKubotaKubota
Engine ModelD902-E3D902-E3D1105-E3
Gross Power17 hp17 hp20.9 hp
Net Power15.2 hp15.2 hp19.8 hp
Power Measured @2,300 rpm2,300 rpm2,400 rpm
Displacement3,344 cu in3,344 cu in4,180 cu in
Model NameKX91-3HGLS2U17-HGSU25-HGS
Operational
SpecificationKX91-3HGLS2U17-HGSU25-HGS
Auxiliary Hydraulic Flow7.4 gpm7.4 gpm12.7 gpm
Travel Speed, Low Range1.4 mph1.4 mph1.6 mph
Travel Speed, High Range2.6 mph2.6 mph2.8 mph
Operating Weight3,704 lb3,704 lb5,611 lb
Fuel Capacity5.1 gal5.1 gal7.4 gal
Hydraulic System Fluid Capacity6.1 gal6.1 gal9.8 gal
Hydraulic Pump Flow Capacity3.5 gpm3.5 gpm5.9 gpm
Swing Mechanism
SpecificationKX91-3HGLS2U17-HGSU25-HGS
Swing Speed9.1 rpm9.1 rpm9.8 rpm
Blade
SpecificationKX91-3HGLS2U17-HGSU25-HGS
Maximum Drop Below Ground0.7 ft0.7 ft1.1 ft
Blade Lift Height11.1 in11.1 in14.2 in
SpecificationKX91-3HGLS2
Blade width5.1 ft
Boom
SpecificationKX91-3HGLS2U17-HGSU25-HGS
Boom Swing Left65 degrees65 degrees75 degrees
Boom Swing Right58 degrees58 degrees55 degrees
Variants — Source comparison annotation
Source guideDiffering-field count reported
KX91-3HGLS2, U17-HGS, and U25-HGS28
Ratios
FigureKX91-3HGLS2U17-HGSU25-HGS
Engine horsepower per 1,000 lb of weight4.14.13.5
Fuel tank per engine horsepower0.34 gal0.34 gal0.37 gal

Kubota KX91-3HGLS2, U17-HGS, and U25-HGS: excavator

KX91-3HGLS2, U17-HGS, and U25-HGS: owner reports

Sources: 3 forum discussions about the Kubota KX91-3 mini excavators; heavyequipmentforums.com.Sources: 3 forum discussions about the Kubota U15 and U17 mini excavators (and KX41); tractorbynet.com and heavyequipmentforums.com.
KX91-3HGLS2, U17-HGS, and U25-HGS: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
The Farming Forum and Heavy Equipment ForumsexcavatorKubota and the KX91, U17, U25 line that the KX91-3HGLS2, U17-HGS, U25-HGS belongs to (no title names the exact model)66
Topics named by those titles
Title topicTitles
hydraulics9
electrical and sensors2
engine power and smoke2
Topic in the titleThreadsShare of matching threads
hydraulics914%
electrical and sensors23%
engine power and smoke23%
KX91-3HGLS2, U17-HGS, and U25-HGS: dated market and recall observations — Dated listing search
DateListing indexEquipment classNames queriedResult
2026-09-24MachineryTrader (machinerytrader.com)excavatorKX91-3HGLS2, U17-HGS, U25-HGSNo matching offers in this snapshot
Dated CPSC search
DateDatabaseNames queriedResult
2026-09-24U.S. Consumer Product Safety CommissionKubota; KX91-3HGLS2, U17-HGS, U25-HGSNo matching recall in the stated search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
Reference site
Reference site
Forum threads
Forum threads
Forum threads
Forum threads
  • Forum threads Forum threads read for the Kubota KX91-3 mini excavators: Tractorbynet (tractorbynet.com), Owner and mechanic threads. As of 2026-09-24, rechecked quarterly.
Federal agency data

Kubota KX91-3HGLS2, U17-HGS, and U25-HGS: Configuration records

KX91-3HGLS2
SpecificationSource figure
Engine
Model NameKX91-3HGLS2

Source

U17-HGS
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth6.27 ft
Max Digging Depth7.58 ft
Mximum Dig Radius153.55 in
Max Digging Height11.62 ft
Max.Dumping Height8.01 ft
Dimensions and weight
Ground Clearance0.5 ft
Tail Swing Radius2.04 ft
Overall Height7.68 ft
Overall Length11.64 ft
Crawler Length5.21 ft
Undercarriage
Shoe Size9.06 in
Drawbar Pull4,865 lb
Ground Pressure3.7 psi
Engine
Number Of Cylinders3
Gross Power17 hp
Net Power15.2 hp
Power Measured @2,300 rpm
Engine MakeKubota
Model NameU17-HGS
Operational
Operating Weight3,704 lb
Fuel Capacity5.1 gal
Hydraulic System Fluid Capacity6.1 gal
Hydraulic Pump Flow Capacity3.5 gpm
Auxiliary Hydraulic Flow7.4 gpm
Travel Speed, Low Range1.4 mph
Travel Speed, High Range2.6 mph
Swing Mechanism
Swing Speed9.1 rpm
Blade
Maximum Drop Below Ground0.7 ft
Blade Lift Height11.1 in
Boom
Boom Swing Left65 degrees
Boom Swing Right58 degrees
Additional specifications
Engine ModelD902-E3

Source

U25-HGS
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth8.47 ft
Max Digging Depth9.22 ft
Mximum Dig Radius187.8 in
Max Digging Height14.87 ft
Max.Dumping Height10.54 ft
Dimensions and weight
Ground Clearance0.5 ft
Tail Swing Radius2.5 ft
Overall Height7.68 ft
Overall Length11.64 ft
Crawler Length5.21 ft
Undercarriage
Shoe Size11.82 in
Drawbar Pull6,745 lb
Ground Pressure3.33 psi
Engine
Number Of Cylinders3
Gross Power20.9 hp
Net Power19.8 hp
Power Measured @2,400 rpm
Engine MakeKubota
Model NameU25-HGS
Operational
Operating Weight5,611 lb
Fuel Capacity7.4 gal
Hydraulic System Fluid Capacity9.8 gal
Hydraulic Pump Flow Capacity5.9 gpm
Auxiliary Hydraulic Flow12.7 gpm
Travel Speed, Low Range1.6 mph
Travel Speed, High Range2.8 mph
Swing Mechanism
Swing Speed9.8 rpm
Blade
Maximum Drop Below Ground1.1 ft
Blade Lift Height14.2 in
Boom
Boom Swing Left75 degrees
Boom Swing Right55 degrees
Additional specifications
Engine ModelD1105-E3

Source

More in Kubota: KX018-4/U17, KX018-4H, U17-5.