Head to head · Row Crop

Allis Chalmers D21 Series I vs CaseIH Farmall 105C

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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
Allis ChalmersAllis Chalmers D21 Series I
vs
CaseIHCaseIH Farmall 105C

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ Farmall 105C higher · +3 hp (+3%)
D21 Series I103 hp
Farmall 105C106 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; Farmall 105C is in the 29th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +219 ci (+106%)
D21 Series I426 ci
Farmall 105C207 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; Farmall 105C is in the 10th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
Farmall 105C4
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; Farmall 105C is in the 17th · 1,417 models

Forward Gears

▲ Farmall 105C higher · +4 (+50%)
D21 Series I8
Farmall 105C12
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; Farmall 105C is in the 27th · 1,200 models

D21 Series I (A)Farmall 105C (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
ManufacturerAllis ChalmersCaseIH—
ModelD21 Series IFarmall 105C—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
ManufacturerAllis ChalmersFiat Powertrain Technologies (FPT)—
Model3400F5H—
Power Output103hp106hp▲ Farmall 105C+3 hp · +3%
Rated RPM2,200RPM2,300RPM▲ Farmall 105C+100 RPM · +5%
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci207ci▲ D21 Series I+219 ci · +106%
Bore4.3in3.9in▲ D21 Series I+0.4 in · +10%
Stroke5in4.3in▲ D21 Series I+0.7 in · +16%

Transmission

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
TypeSliding gear with dry disc clutchMechanical Shuttle—

Dimensions & Weight

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
Length161in149in▲ D21 Series I+12 in · +8%
Width91.6in83in▲ D21 Series I+8.6 in · +10%
Height107in100in▲ D21 Series I+7 in · +7%
Operating Weight9,500lb7,937lb▲ D21 Series I+1,563 lb · +20%

Hydraulics

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
System TypeNot recordedOpen Center—
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIII—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series ICaseIH Farmall 105CDifference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 29th percentile (106 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 10th percentile (207 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 27th percentile (12)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 20th percentile (7,937 lb)
A · D21 Series IB · Farmall 105CMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageCaseIH Farmall 105C