Head to head · Row Crop

Allis Chalmers D21 Series I vs CaseIH 1056 XL

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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 1056 XL

Agricultural

power
105 hp
displacement
358 ci
Cylinders
6
Forward gears
16
Full 1056 XL specs
Allis ChalmersAllis Chalmers D21 Series I
vs
CaseIHCaseIH 1056 XL

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 1056 XL higher · +2 hp (+2%)
D21 Series I103 hp
1056 XL105 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; 1056 XL is in the 28th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +68 ci (+19%)
D21 Series I426 ci
1056 XL358 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; 1056 XL is in the 40th · 1,409 models

Cylinders

= Effectively tied
D21 Series I6
1056 XL6
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; 1056 XL is in the 50th · 1,417 models

Forward Gears

▲ 1056 XL higher · +8 (+100%)
D21 Series I8
1056 XL16
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; 1056 XL is in the 50th · 1,200 models

D21 Series I (A)1056 XL (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
ManufacturerAllis ChalmersCaseIH—
ModelD21 Series I1056 XL—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
ManufacturerAllis ChalmersInternational Harvester—
Model3400D-358—
Power Output103hp105hp▲ 1056 XL+2 hp · +2%
Rated RPM2,200RPM2,300RPM▲ 1056 XL+100 RPM · +5%
Cylinders66Same
Displacement426ci358ci▲ D21 Series I+68 ci · +19%
Bore4.3in3.9in▲ D21 Series I+0.4 in · +10%
Stroke5in5.1in▲ 1056 XL+0.1 in · +2%

Transmission

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
TypeSliding gear with dry disc clutchIH-Total-synchron—

Dimensions & Weight

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
Length161in165in▲ 1056 XL+4 in · +2%
Width91.6in90.8in▲ D21 Series I+0.8 in · <1%
Height107in110in▲ 1056 XL+3 in · +3%
Operating Weight9,500lb9,634lb▲ 1056 XL+134 lb · +1%

Hydraulics

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Tread Width

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
Front Tread WidthNot recorded7.5in—

Hitch & Towing

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
Hitch TypeThree-Point HitchRear Type: II—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series ICaseIH 1056 XLDifference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 28th percentile (105 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 40th percentile (358 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 50th percentile (16)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 29th percentile (9,634 lb)
A · D21 Series IB · 1056 XLMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageCaseIH 1056 XL