Head to head · Row Crop

Allis Chalmers D21 Series I vs Valtra 6400

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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 6400

Row Crop

power
103 hp
displacement
268 ci
Cylinders
4
Forward gears
12
Full 6400 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
ValtraValtra 6400

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

= Effectively tied
D21 Series I103 hp
6400103 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; 6400 is in the 27th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +158 ci (+59%)
D21 Series I426 ci
6400268 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; 6400 is in the 21st · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
64004
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; 6400 is in the 17th · 1,417 models

Forward Gears

▲ 6400 higher · +4 (+50%)
D21 Series I8
640012
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; 6400 is in the 27th · 1,200 models

D21 Series I (A)6400 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IValtra 6400Difference
ManufacturerAllis ChalmersValtra—
ModelD21 Series I6400—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D21 Series IValtra 6400Difference
ManufacturerAllis ChalmersSisuDiesel—
Model340044DT—
Power Output103hp103hpSame
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 6400Difference
TypeSliding gear with dry disc clutchSync shuttle—

Dimensions & Weight

SpecAllis Chalmers D21 Series IValtra 6400Difference
Length161in178in▲ 6400+17 in · +11%
Width91.6in89.8in▲ D21 Series I+1.8 in · +2%
Height107in106in▲ D21 Series I+1 in · <1%
Operating Weight9,500lb9,811lb▲ 6400+311 lb · +3%

Hydraulics

SpecAllis Chalmers D21 Series IValtra 6400Difference
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IValtra 6400Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IValtra 6400Difference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IIIII/IISame
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D21 Series IValtra 6400Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IValtra 6400Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IValtra 6400Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IValtra 6400Difference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 27th percentile (103 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 · 27th percentile (12)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 31st percentile (9,811 lb)
A · D21 Series IB · 6400Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageValtra 6400