Head to head · Row Crop

Allis Chalmers D21 Series I vs Chamberlain C6100

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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
ChamberlainModel B

Chamberlain C6100

Utility

power
101 hp
displacement
354 ci
Cylinders
6
Forward gears
9
Full C6100 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
ChamberlainChamberlain C6100

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
C6100101 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; C6100 is in the 26th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +72 ci (+20%)
D21 Series I426 ci
C6100354 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; C6100 is in the 39th · 1,409 models

Cylinders

= Effectively tied
D21 Series I6
C61006
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; C6100 is in the 50th · 1,417 models

Forward Gears

▲ C6100 higher · +1 (+13%)
D21 Series I8
C61009
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; C6100 is in the 20th · 1,200 models

D21 Series I (A)C6100 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
ManufacturerAllis ChalmersChamberlain—
ModelD21 Series IC6100—
CategoryRow CropUtility, Standard Tread—

Engine

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
ManufacturerAllis ChalmersPerkins—
Model34006.354—
Power Output103hp101hp▲ D21 Series I+2 hp · +2%
Rated RPM2,200RPM2,200RPMSame
Cylinders66Same
Displacement426ci354ci▲ D21 Series I+72 ci · +20%
Bore4.3in3.9in▲ D21 Series I+0.4 in · +10%
Stroke5in5inSame

Transmission

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
TypeSliding gear with dry disc clutchGear—

Dimensions & Weight

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
Length161in152in▲ D21 Series I+9 in · +6%
Width91.6in96in▲ C6100+4.4 in · +5%
Height107in75.9in▲ D21 Series I+31.1 in · +41%
Operating Weight9,500lb9,910lb▲ C6100+410 lb · +4%

Hydraulics

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
Steering TypePowerManual—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
Chassis Type4x2 2WD4x2—
Drive Type2WD2WDSame
Steering TypePowerManual—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IChamberlain C6100Difference
TypeOpenNot recorded—

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 · 39th percentile (354 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 20th percentile (9)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 31st percentile (9,910 lb)
A · D21 Series IB · C6100Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageChamberlain C6100