Head to head · Utility

Kubota GB20 vs Kubota KB21X

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KubotaModel A

Kubota GB20

Utility

power
19.7 hp
displacement
68.5 ci
Cylinders
3
Forward gears
18
Full GB20 specs
Kubota KB21X Tractor
KubotaModel B

Kubota KB21X

Utility

power
20.7 hp
displacement
68.5 ci
Cylinders
3
Forward gears
36
Full KB21X specs
KubotaKubota GB20
vs
KubotaKubota KB21X

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ KB21X higher · +1 hp (+5%)
GB2019.7 hp
KB21X20.7 hp
Median Utility Tractor55 hp

GB20 is in the 8th percentile; KB21X is in the 9th · 5,383 models

Engine Displacement

= Effectively tied
GB2068.5 ci
KB21X68.5 ci
Median Utility Tractor183 ci

GB20 is in the 8th percentile; KB21X is in the 8th · 5,580 models

Cylinders

= Effectively tied
GB203
KB21X3
Median Utility Tractor4

GB20 is in the 23rd percentile; KB21X is in the 23rd · 5,720 models

Forward Gears

▲ KB21X higher · +18 (+100%)
GB2018
KB21X36
Median Utility Tractor12

GB20 is in the 83rd percentile; KB21X is in the 99th · 4,941 models

GB20 (A)KB21X (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecKubota GB20Kubota KB21XDifference
ManufacturerKubotaKubotaSame
ModelGB20KB21X—
CategoryUtility, Sub-CompactUtility, Sub-CompactSame

Engine

SpecKubota GB20Kubota KB21XDifference
ManufacturerKubotaKubotaSame
ModelD1105D1105Same
Power Output19.7hp20.7hp▲ KB21X+1 hp · +5%
Rated RPM2,600RPM2,600RPMSame
Cylinders33Same
Displacement68.5ci68.5ciSame
Bore3.1in3.1inSame
Stroke3.1in3.1inSame

Transmission

SpecKubota GB20Kubota KB21XDifference
TypeGearPower shift—

Dimensions & Weight

SpecKubota GB20Kubota KB21XDifference
Length92.3in92.3inSame
Width41.1in44.5in▲ KB21X+3.4 in · +8%
Height74in74.8in▲ KB21X+0.8 in · +1%
Operating Weight1,543lb1,609lb▲ KB21X+66 lb · +4%

Hydraulics

SpecKubota GB20Kubota KB21XDifference
Steering TypePowerPowerSame

Hitch & Towing

SpecKubota GB20Kubota KB21XDifference
Hitch TypeCategory 0Category 0Same
Hitch CategoryCategory 3Category 3Same
Hitch PositionRearRearSame

Chassis & Drive

SpecKubota GB20Kubota KB21XDifference
Chassis Type4x4 MFWD 4WD4x4 MFWD 4WDSame
Drive Type4WD4WDSame
Steering TypePowerPowerSame

Electrical

SpecKubota GB20Kubota KB21XDifference
Starter TypeElectricElectricSame

Operator Station

SpecKubota GB20Kubota KB21XDifference
TypeROPSROPSSame

Category context

Both models against the field

Engine Power

median 55 hp
A · 8th percentile (19.7 hp)B · 9th percentile (20.7 hp)

Engine Displacement

median 183 ci
A · 8th percentile (68.5 ci)B · 8th percentile (68.5 ci)

Cylinders

median 4
A · 23rd percentile (3)B · 23rd percentile (3)

Forward Gears

median 12
A · 83rd percentile (18)B · 99th percentile (36)

Operating Weight

median 5,303 lb
A · 6th percentile (1,543 lb)B · 7th percentile (1,609 lb)
A · GB20B · KB21XMedian Utility Tractor
Full spec pageKubota GB20Full spec pageKubota KB21X