Head to head · Row Crop

Allis Chalmers D21 Series I vs CaseIH 995

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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
Image not recorded
CaseIHModel B

CaseIH 995

Utility

power
104 hp
displacement
268 ci
Cylinders
4
Forward gears
8
Full 995 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
CaseIHCaseIH 995

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 995 higher · +1 hp (<1%)
D21 Series I103 hp
995104 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; 995 is in the 28th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +158 ci (+59%)
D21 Series I426 ci
995268 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; 995 is in the 20th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
9954
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; 995 is in the 17th · 1,417 models

Forward Gears

= Effectively tied
D21 Series I8
9958
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; 995 is in the 16th · 1,200 models

D21 Series I (A)995 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series ICaseIH 995Difference
ManufacturerAllis ChalmersCaseIH—
ModelD21 Series I995—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series ICaseIH 995Difference
ManufacturerAllis ChalmersCaseIH—
Model3400D268—
Power Output103hp104hp▲ 995+1 hp · <1%
Rated RPM2,200RPM2,400RPM▲ 995+200 RPM · +9%
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci268ci▲ D21 Series I+158 ci · +59%
Bore4.3in3.9in▲ D21 Series I+0.4 in · +10%
Stroke5in5.5in▲ 995+0.5 in · +10%

Transmission

SpecAllis Chalmers D21 Series ICaseIH 995Difference
TypeSliding gear with dry disc clutchPartially synchronized / partial power shift / synchronized shuttle / creeper—

Dimensions & Weight

SpecAllis Chalmers D21 Series ICaseIH 995Difference
Length161inNot recorded—
Width91.6in78in▲ D21 Series I+13.6 in · +17%
Height107in97.4in▲ D21 Series I+9.6 in · +10%
Operating Weight9,500lb6,065lb▲ D21 Series I+3,435 lb · +57%

Hydraulics

SpecAllis Chalmers D21 Series ICaseIH 995Difference
System TypeNot recordedOpen Center—
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series ICaseIH 995Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series ICaseIH 995Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIII—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D21 Series ICaseIH 995Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series ICaseIH 995Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series ICaseIH 995Difference
Coolant5.3gal3.6gal▲ D21 Series I+1.7 gal · +47%

Operator Station

SpecAllis Chalmers D21 Series ICaseIH 995Difference
TypeOpenOpen (ROPS)—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 28th percentile (104 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 20th percentile (268 ci)

Cylinders

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

Forward Gears

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

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 12th percentile (6,065 lb)
A · D21 Series IB · 995Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageCaseIH 995