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Kubota M7-173 and M128X specifications

Entries in this reference
Listing-entry count
2
Short answer

Kubota M7-173 and M128X: tractors.

Selected configuration figures
ConfigurationDocumented field and quantity
M7-173
Rated Power (gross)
170 hp
Weight
16,204 lb
M128X
Power (gross)
134 hp
Weight
9,722 lb
M7-173 and M128X specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
KubotaM7-173 and M128X2M7-173 and M128X
Engine
SpecificationM7-173M128X
Fuel tank87.2 gal50.2 gal
EngineKubota 6.1L 4-cyl dieselKubota 6.1L 4-cyl diesel
SpecificationM7-173
Exhaust fluid (DEF)10 gal
Transmissions
SpecificationM7-173M128X
Transmissions30-speed six-speed power shift; infinitely-variable transmission16-speed partial powershift; 24-speed
Power
SpecificationM7-173M128X
Engine (gross)170 hp134 hp
SpecificationM7-173
Engine (max)175 hp
SpecificationM128X
Engine128 hp
PTO (claimed)113 hp
Mechanical
SpecificationM7-173M128X
MechanicalFour-wheel drive; Power steering; Hydraulic wet disc brakes; Cab standard with air-conditioningFour-wheel drive; Hydraulic wet disc brakes
SpecificationM128X
Steeringhydrostatic power
Hydraulics
SpecificationM7-173
Typeopen center
SpecificationM7-173M128X
Valves3 to 62 to 4
Pump flow21.1 gpm (open)20.4 gpm
SpecificationM128X
Steering flow15.3 gpm
Tractor hitch
SpecificationM7-173M128X
Rear TypeIIIII
SpecificationM7-173
Controllower-link draft sensing
Rear lift (at ends)20,723 lb
Front lift7,717 lb
SpecificationM128X
Rear lift (at 24"/610mm)5,203 lb
Power take-off (PTO)
SpecificationM7-173M128X
Rear PTOindependentindependent
Rear PTO Type540/1000540/1000
SpecificationM7-173
Engine RPM540E@1608
Front PTOindependent
Front PTO Type1000
Dimensions & Tires
SpecificationM7-173M128X
Wheelbase107.1 in105.9 in
Weight16,204 lb9,722 lb
Front tire540/65R28420/70R24
Rear tire650/65R38520/70R38
Attachments
SpecificationM7-173
attachmentsfront-end loader
Electrical
SpecificationM7-173
Groundnegative
Battery CCA1000
Battery volts12
Battery AH170
SpecificationM7-173M128X
Charging systemalternatoralternator
Charging amps15080
Engine Detail
SpecificationM7-173M128X
Displacement373.7 cu in373.7 cu in
Bore/Stroke4.65x5.51 in / 118 x 140 mm4.65x5.51 in / 118 x 140 mm
Rated RPM19002200
Starterelectricelectric
Starter volts1212
Engine DetailKubota V6108; turbocharged intercooled diesel; 4-cylinder 16-valveKubota A68-TI-CRS; diesel; 4-cylinder
SpecificationM7-173
EmissionsStage V
Rated Power (gross)170 hp
Maximum Power (gross)175 hp
Torque524.4 lb-ft
Torque RPM1500
SpecificationM128X
Power128 hp
Power (gross)134 hp
Air cleanerdual dry element
Transmission options
SpecificationM7-173M128X
Transmission options30-speed six-speed power shift; infinitely-variable transmission16-speed partial powershift; 24-speed
Transmission and speeds
SpecificationM7-173M128X
Typesix-speed power shiftpartial powershift
Gears30 forward and 15 reverse16 forward and reverse
TransmissionSix power shift gears in five synchronized ranges with power shuttleIntelli-Shift
SpecificationM7-173
Clutchelectro-hydraulic wet disc
Kubota M7 173 Tires
SpecificationM7-173
Standard tires (ag)Front: 540/65R28 Rear: 650/65R38
Dimensions and weight
SpecificationM7-173M128X
Length187.7 in175.4 in
Width98.4 in85.6 in
Ground clearance17.2 in21.3 in
SpecificationM7-173
Height (cab)119.3 in
Shipping weight16,204 lb
SpecificationM128X
Height108.3 in
Kubota M128X Tires
SpecificationM128X
Ag front420/70R24
Ag rear520/70R38
Variants — Source comparison annotation
Source guideDiffering-field count reported
M7-173 and M128X57
Ratios
FigureM7-173M128X
Engine horsepower per 1,000 lb of weight10.513.8
Hitch lift as a share of machine weight128%54%
Pump flow per engine horsepower0.12 gpm0.15 gpm
Fuel tank per engine horsepower0.51 gal0.37 gal
FigureM128X
PTO power as a share of engine power84%
Reference directory classification
Equipment grouptractor
M7-173 and M128X: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
The Farming ForumtractorKubota and the M7-173. That is too few titles to say what owners mostly ask about, so the most recent are listed instead2
M7-173 and M128X: dated market and recall observations — Dated listing search
DateListing indexEquipment classNames queriedResult
2026-09-24TractorHouse (tractorhouse.com)tractorM7-173, M128XNo matching offers in this snapshot
Dated CPSC search
DateDatabaseNames queriedResult
2026-09-24U.S. Consumer Product Safety CommissionKubota; M7-173, M128XNo matching recall in the stated search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Kubota M7-173 — TractorData. Observed 2026-09-24.
Reference site
  • Reference site: Kubota M128X — TractorData. Observed 2026-09-24.
Forum threads
Federal agency data

Kubota M7-173 and M128X: Configuration records

M7-173
SpecificationSource figure
Engine
Fuel tank87.2 gal
Exhaust fluid (DEF)10 gal
Power
Engine (gross)170 hp
Engine (max)175 hp
Hydraulics
Valves3 to 6
Pump flow21.1 gpm (open)
Tractor hitch
Rear TypeIII
Controllower-link draft sensing
Rear lift (at ends)20,723 lb
Front lift7,717 lb
Power take-off (PTO)
Rear PTOindependent
Rear PTO Type540/1000
Engine RPM540E@1608
Front PTOindependent
Front PTO Type1000
Dimensions & Tires
Front tire540/65R28
Rear tire650/65R38
Electrical
Groundnegative
Charging systemalternator
Battery volts12
Battery CCA1000
Charging amps150
Battery AH170
Engine Detail
Displacement373.7 cu in
Bore/Stroke4.65x5.51 in / 118 x 140 mm
EmissionsStage V
Rated Power (gross)170 hp
Starterelectric
Starter volts12
Rated RPM1900
Maximum Power (gross)175 hp
Torque524.4 lb-ft
Torque RPM1500
Transmission and speeds
Gears30 forward and 15 reverse
TransmissionSix power shift gears in five synchronized ranges with power shuttle
Dimensions and weight
Height (cab)119.3 in
Length187.7 in
Width98.4 in
Ground clearance17.2 in
Shipping weight16,204 lb
Additional specifications
EngineKubota 6.1L 4-cyl diesel
Transmissions30-speed six-speed power shift; infinitely-variable transmission
MechanicalFour-wheel drive; Power steering; Hydraulic wet disc brakes; Cab standard with air-conditioning
Typeopen center
Weight16,204 lb
Wheelbase107.1 in
Attachmentsfront-end loader
Engine DetailKubota V6108; turbocharged intercooled diesel; 4-cylinder 16-valve
Transmission options30-speed six-speed power shift; infinitely-variable transmission
Clutchelectro-hydraulic wet disc
Standard tires (ag)Front: 540/65R28 Rear: 650/65R38

Source

M128X
SpecificationSource figure
Engine
Fuel tank50.2 gal
Power
Engine (gross)134 hp
PTO (claimed)113 hp
Mechanical
Steeringhydrostatic power
Hydraulics
Valves2 to 4
Pump flow20.4 gpm
Steering flow15.3 gpm
Tractor hitch
Rear TypeII
Rear lift (at 24"/610mm)5,203 lb
Power take-off (PTO)
Rear PTOindependent
Rear PTO Type540/1000
Dimensions & Tires
Front tire420/70R24
Rear tire520/70R38
Electrical
Charging systemalternator
Charging amps80
Engine Detail
Displacement373.7 cu in
Bore/Stroke4.65x5.51 in / 118 x 140 mm
Starterelectric
Starter volts12
Power (gross)134 hp
Air cleanerdual dry element
Rated RPM2200
Transmission and speeds
Gears16 forward and reverse
TransmissionIntelli-Shift
Dimensions and weight
Length175.4 in
Width85.6 in
Height108.3 in
Ground clearance21.3 in
Tires
Ag front420/70R24
Ag rear520/70R38
Additional specifications
EngineKubota 6.1L 4-cyl diesel
Transmissions16-speed partial powershift; 24-speed
MechanicalFour-wheel drive; Hydraulic wet disc brakes
Weight9,722 lb
Wheelbase105.9 in
Engine DetailKubota A68-TI-CRS; diesel; 4-cylinder
Power128 hp
Transmission options16-speed partial powershift; 24-speed
Typepartial powershift

Source

Compare Kubota M7-173, M128X
Engine
SpecificationM7-173M128X
Fuel tank87.2 gal50.2 gal
EngineKubota 6.1L 4-cyl dieselKubota 6.1L 4-cyl diesel
Transmissions
SpecificationM7-173M128X
Transmissions30-speed six-speed power shift; infinitely-variable transmission16-speed partial powershift; 24-speed
Power
SpecificationM7-173M128X
Engine (gross)170 hp134 hp
Mechanical
SpecificationM7-173M128X
MechanicalFour-wheel drive; Power steering; Hydraulic wet disc brakes; Cab standard with air-conditioningFour-wheel drive; Hydraulic wet disc brakes
Hydraulics
SpecificationM7-173M128X
Valves3 to 62 to 4
Pump flow21.1 gpm (open)20.4 gpm
Tractor hitch
SpecificationM7-173M128X
Rear TypeIIIII
Power take-off (PTO)
SpecificationM7-173M128X
Rear PTOindependentindependent
Rear PTO Type540/1000540/1000
Dimensions & Tires
SpecificationM7-173M128X
Wheelbase107.1 in105.9 in
Weight16,204 lb9,722 lb
Front tire540/65R28420/70R24
Rear tire650/65R38520/70R38
Electrical
SpecificationM7-173M128X
Charging systemalternatoralternator
Charging amps15080
Engine Detail
SpecificationM7-173M128X
Displacement373.7 cu in373.7 cu in
Bore/Stroke4.65x5.51 in / 118 x 140 mm4.65x5.51 in / 118 x 140 mm
Rated RPM19002200
Starterelectricelectric
Starter volts1212
Engine DetailKubota V6108; turbocharged intercooled diesel; 4-cylinder 16-valveKubota A68-TI-CRS; diesel; 4-cylinder
Transmission options
SpecificationM7-173M128X
Transmission options30-speed six-speed power shift; infinitely-variable transmission16-speed partial powershift; 24-speed
Transmission and speeds
SpecificationM7-173M128X
Gears30 forward and 15 reverse16 forward and reverse
TransmissionSix power shift gears in five synchronized ranges with power shuttleIntelli-Shift
Dimensions and weight
SpecificationM7-173M128X
Wheelbase107.1 in105.9 in
Length187.7 in175.4 in
Width98.4 in85.6 in
Ground clearance17.2 in21.3 in

More in Kubota: M6-101–M110X, M5-091–M9960, M6-131–M5112.