Head to head · Row Crop

Allis Chalmers D21 Series I vs Kubota M105SDSC

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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
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KubotaModel B

Kubota M105SDSC

Agricultural

power
105 hp
displacement
230 ci
Cylinders
4
Forward gears
32
Full M105SDSC specs
Allis ChalmersAllis Chalmers D21 Series I
vs
KubotaKubota M105SDSC

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ M105SDSC higher · +2 hp (+2%)
D21 Series I103 hp
M105SDSC105 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; M105SDSC is in the 28th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +196 ci (+85%)
D21 Series I426 ci
M105SDSC230 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; M105SDSC is in the 12th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
M105SDSC4
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; M105SDSC is in the 17th · 1,417 models

Forward Gears

▲ M105SDSC higher · +24 (+300%)
D21 Series I8
M105SDSC32
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; M105SDSC is in the 91st · 1,200 models

D21 Series I (A)M105SDSC (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
ManufacturerAllis ChalmersKubota—
ModelD21 Series IM105SDSC—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
ManufacturerAllis ChalmersKubota—
Model3400V3800-DI-TI—
Power Output103hp105hp▲ M105SDSC+2 hp · +2%
Rated RPM2,200RPM2,600RPM▲ M105SDSC+400 RPM · +18%
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci230ci▲ D21 Series I+196 ci · +85%
Bore4.3inNot recorded—
Stroke5inNot recorded—

Transmission

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
TypeSliding gear with dry disc clutchFully synchronized—

Dimensions & Weight

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
Length161inNot recorded—
Width91.6in78.7in▲ D21 Series I+12.9 in · +16%
Height107in106in▲ D21 Series I+1 in · <1%
Operating Weight9,500lb7,628lb▲ D21 Series I+1,872 lb · +25%

Hydraulics

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
Hitch TypeThree-Point Hitch3 Point Hitch—
Hitch CategoryIII/IIII—
Hitch PositionRearNot recorded—
Hitch CapacityNot recorded4,630lb—

Chassis & Drive

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IKubota M105SDSCDifference
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 · 91st percentile (32)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 18th percentile (7,628 lb)
A · D21 Series IB · M105SDSCMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageKubota M105SDSC