Head to head · Row Crop

Allis Chalmers D21 Series I vs Landini Rex 110

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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
Landini Rex 110 Tractor
LandiniModel B

Landini Rex 110

Agricultural

power
102 hp
displacement
269 ci
Cylinders
4
Forward gears
15
Full Rex 110 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
LandiniLandini Rex 110

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
Rex 110102 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; Rex 110 is in the 26th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +157 ci (+58%)
D21 Series I426 ci
Rex 110269 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; Rex 110 is in the 23rd · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
Rex 1104
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; Rex 110 is in the 17th · 1,417 models

Forward Gears

▲ Rex 110 higher · +7 (+88%)
D21 Series I8
Rex 11015
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; Rex 110 is in the 33rd · 1,200 models

D21 Series I (A)Rex 110 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
ManufacturerAllis ChalmersLandini—
ModelD21 Series IRex 110—
CategoryRow CropAgricultural, Orchard/Vineyard—

Engine

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
ManufacturerAllis ChalmersPerkins—
Model34001104D-44TA—
Power Output103hp102hp▲ D21 Series I+1 hp · <1%
Rated RPM2,200RPMNot recorded—
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci269ci▲ D21 Series I+157 ci · +58%
Bore4.3in4.1in▲ D21 Series I+0.2 in · +5%
Stroke5in5inSame

Transmission

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
TypeSliding gear with dry disc clutchMechanical shuttle—

Dimensions & Weight

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
Length161in158in▲ D21 Series I+3 in · +2%
Width91.6in56.6in▲ D21 Series I+35 in · +62%
Height107in91.1in▲ D21 Series I+15.9 in · +17%
Operating Weight9,500lb5,600lb▲ D21 Series I+3,900 lb · +70%

Hydraulics

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
Hitch TypeThree-Point HitchCategory II—
Hitch CategoryIII/IICategory 3—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series ILandini Rex 110Difference
TypeOpenCab/ROPS (Roll-Over Protective Structure)—

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 · 23rd percentile (269 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 33rd percentile (15)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 10th percentile (5,600 lb)
A · D21 Series IB · Rex 110Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageLandini Rex 110