Head to head · Row Crop

Allis Chalmers D21 Series I vs Kubota M105X

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Allis ChalmersModel A

Allis Chalmers D21 Series I

Row Crop

power
103 hp
displacement
426 ci
Cylinders
6
Forward gears
8
Full D21 Series I specs
Kubota M105X Tractor
KubotaModel B

Kubota M105X

Row Crop

power
105 hp
displacement
230 ci
Cylinders
4
Forward gears
16
Full M105X specs
Allis ChalmersAllis Chalmers D21 Series I
vs
KubotaKubota M105X

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ M105X higher · +2 hp (+2%)
D21 Series I103 hp
M105X105 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; M105X is in the 28th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +196 ci (+85%)
D21 Series I426 ci
M105X230 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; M105X is in the 12th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
M105X4
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; M105X is in the 17th · 1,417 models

Forward Gears

▲ M105X higher · +8 (+100%)
D21 Series I8
M105X16
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; M105X is in the 50th · 1,200 models

D21 Series I (A)M105X (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IKubota M105XDifference
ManufacturerAllis ChalmersKubota—
ModelD21 Series IM105X—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D21 Series IKubota M105XDifference
ManufacturerAllis ChalmersKubota—
Model3400V3800TIE2—
Power Output103hp105hp▲ M105X+2 hp · +2%
Rated RPM2,200RPM2,600RPM▲ M105X+400 RPM · +18%
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci230ci▲ D21 Series I+196 ci · +85%
Bore4.3in3.9in▲ D21 Series I+0.4 in · +10%
Stroke5in4.7in▲ D21 Series I+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series IKubota M105XDifference
TypeSliding gear with dry disc clutchPartial power shift—

Dimensions & Weight

SpecAllis Chalmers D21 Series IKubota M105XDifference
Length161in163in▲ M105X+2 in · +1%
Width91.6in83.7in▲ D21 Series I+7.9 in · +9%
Height107in106in▲ D21 Series I+1 in · <1%
Operating Weight9,500lb8,987lb▲ D21 Series I+513 lb · +6%

Hydraulics

SpecAllis Chalmers D21 Series IKubota M105XDifference
Steering TypePowerHydrostatic power—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IKubota M105XDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IKubota M105XDifference
Hitch TypeThree-Point HitchCat II—
Hitch CategoryIII/IICategory 3—
Hitch PositionRearNot recorded—
Hitch CapacityNot recorded5,203lb—

Chassis & Drive

SpecAllis Chalmers D21 Series IKubota M105XDifference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerHydrostatic power—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IKubota M105XDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IKubota M105XDifference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IKubota M105XDifference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 28th percentile (105 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 12th percentile (230 ci)

Cylinders

median 6
A · 50th percentile (6)B · 17th percentile (4)

Forward Gears

median 16
A · 16th percentile (8)B · 50th percentile (16)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 26th percentile (8,987 lb)
A · D21 Series IB · M105XMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageKubota M105X