Head to head · Row Crop

Allis Chalmers D21 Series I vs New Holland T4.105

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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
New HollandModel B

New Holland T4.105

Utility

power
106 hp
displacement
207 ci
Cylinders
4
Forward gears
12
Full T4.105 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
New HollandNew Holland T4.105

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ T4.105 higher · +3 hp (+3%)
D21 Series I103 hp
T4.105106 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; T4.105 is in the 29th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +219 ci (+106%)
D21 Series I426 ci
T4.105207 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; T4.105 is in the 10th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
T4.1054
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; T4.105 is in the 17th · 1,417 models

Forward Gears

▲ T4.105 higher · +4 (+50%)
D21 Series I8
T4.10512
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; T4.105 is in the 27th · 1,200 models

D21 Series I (A)T4.105 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
ManufacturerAllis ChalmersNew Holland—
ModelD21 Series IT4.105—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
ManufacturerAllis ChalmersFPT—
Model3400F5D—
Power Output103hp106hp▲ T4.105+3 hp · +3%
Rated RPM2,200RPMNot recorded—
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci207ci▲ D21 Series I+219 ci · +106%
Bore4.3in3.9in▲ D21 Series I+0.4 in · +10%
Stroke5in4.3in▲ D21 Series I+0.7 in · +16%

Transmission

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
TypeSliding gear with dry disc clutchMechanical shuttle—

Dimensions & Weight

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
Length161in161inSame
Width91.6in75.7in▲ D21 Series I+15.9 in · +21%
Height107in102in▲ D21 Series I+5 in · +5%
Operating Weight9,500lb6,768lb▲ D21 Series I+2,732 lb · +40%

Hydraulics

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
System TypeNot recordedOpen center—
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIII—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WD2WDSame
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
Starter TypeElectricElectricSame

Emissions

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
Control SystemNot recordedCEGR and DPF—

Capacities

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series INew Holland T4.105Difference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 29th percentile (106 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 10th percentile (207 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 · 15th percentile (6,768 lb)
A · D21 Series IB · T4.105Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageNew Holland T4.105