Head to head · Row Crop

Allis Chalmers D21 Series I vs Valtra C100

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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
ValtraModel B

Valtra C100

Row Crop

power
101 hp
displacement
268 ci
Cylinders
4
Forward gears
24
Full C100 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
ValtraValtra C100

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ D21 Series I higher · +2 hp (+2%)
D21 Series I103 hp
C100101 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; C100 is in the 26th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +158 ci (+59%)
D21 Series I426 ci
C100268 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; C100 is in the 21st · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
C1004
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; C100 is in the 17th · 1,417 models

Forward Gears

▲ C100 higher · +16 (+200%)
D21 Series I8
C10024
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; C100 is in the 81st · 1,200 models

D21 Series I (A)C100 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IValtra C100Difference
ManufacturerAllis ChalmersValtra—
ModelD21 Series IC100—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D21 Series IValtra C100Difference
ManufacturerAllis ChalmersSisuDiesel—
Model340044DT—
Power Output103hp101hp▲ D21 Series I+2 hp · +2%
Rated RPM2,200RPM2,200RPMSame
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci268ci▲ D21 Series I+158 ci · +59%
Bore4.3in4.3inSame
Stroke5in4.7in▲ D21 Series I+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series IValtra C100Difference
TypeSliding gear with dry disc clutchPowershift—

Dimensions & Weight

SpecAllis Chalmers D21 Series IValtra C100Difference
Length161in174in▲ C100+13 in · +8%
Width91.6in87.4in▲ D21 Series I+4.2 in · +5%
Height107in112in▲ C100+5 in · +5%
Operating Weight9,500lb10,690lb▲ C100+1,190 lb · +13%

Hydraulics

SpecAllis Chalmers D21 Series IValtra C100Difference
System TypeNot recordedLoad Sensing—
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IValtra C100Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IValtra C100Difference
Hitch TypeThree-Point HitchThree-point hitchSame
Hitch CategoryIII/IINot recorded—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D21 Series IValtra C100Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IValtra C100Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IValtra C100Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IValtra C100Difference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 26th percentile (101 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 21st percentile (268 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 81st percentile (24)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 36th percentile (10,690 lb)
A · D21 Series IB · C100Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageValtra C100