Head to head · Row Crop

Allis Chalmers D21 Series I vs McCormick Intl MC100

Image not recorded
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
McCormick Intl MC100 Tractor
McCormick IntlModel B

McCormick Intl MC100

Utility

power
102 hp
displacement
244 ci
Cylinders
4
Forward gears
Not recorded
Full MC100 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
McCormick IntlMcCormick Intl MC100

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ D21 Series I higher · +1 hp (<1%)
D21 Series I103 hp
MC100102 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; MC100 is in the 26th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +182 ci (+75%)
D21 Series I426 ci
MC100244 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; MC100 is in the 15th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
MC1004
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; MC100 is in the 17th · 1,417 models

Operating Weight

▲ MC100 higher · +970 lb (+10%)
D21 Series I9,500 lb
MC10010,470 lb
Median Row Crop Tractor12,307 lb

D21 Series I is in the 28th percentile; MC100 is in the 35th · 1,350 models

D21 Series I (A)MC100 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
ManufacturerAllis ChalmersMcCormick Intl—
ModelD21 Series IMC100—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
ManufacturerAllis ChalmersPerkins—
Model3400Not recorded—
Power Output103hp102hp▲ D21 Series I+1 hp · <1%
Rated RPM2,200RPM2,200RPMSame
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci244ci▲ D21 Series I+182 ci · +75%
Bore4.3in3.9in▲ D21 Series I+0.4 in · +10%
Stroke5in5inSame

Transmission

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
TypeSliding gear with dry disc clutchPartial Power Shift—

Dimensions & Weight

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
Length161in175in▲ MC100+14 in · +9%
Width91.6in84.6in▲ D21 Series I+7 in · +8%
Height107in110in▲ MC100+3 in · +3%
Operating Weight9,500lb10,470lb▲ MC100+970 lb · +10%

Hydraulics

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IIIII/N—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IMcCormick Intl MC100Difference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 26th percentile (102 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 15th percentile (244 ci)

Cylinders

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

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 35th percentile (10,470 lb)

Length

median 180 in
A · 25th percentile (161 in)B · 42nd percentile (175 in)
A · D21 Series IB · MC100Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageMcCormick Intl MC100