Head to head · Row Crop

Allis Chalmers D21 Series I vs LS MT7101

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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
Allis ChalmersAllis Chalmers D21 Series I
vs
LSLS MT7101

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
MT7101101 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; MT7101 is in the 26th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +219 ci (+106%)
D21 Series I426 ci
MT7101207 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; MT7101 is in the 10th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
MT71014
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; MT7101 is in the 17th · 1,417 models

Forward Gears

▲ MT7101 higher · +32 (+400%)
D21 Series I8
MT710140
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; MT7101 is in the 98th · 1,200 models

D21 Series I (A)MT7101 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series ILS MT7101Difference
ManufacturerAllis ChalmersLS—
ModelD21 Series IMT7101—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series ILS MT7101Difference
ManufacturerAllis ChalmersFPT—
Model3400F5G—
Power Output103hp101hp▲ D21 Series I+2 hp · +2%
Rated RPM2,200RPM2,200RPMSame
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 ILS MT7101Difference
TypeSliding gear with dry disc clutchPower shuttle—

Dimensions & Weight

SpecAllis Chalmers D21 Series ILS MT7101Difference
Length161in152in▲ D21 Series I+9 in · +6%
Width91.6in78.7in▲ D21 Series I+12.9 in · +16%
Height107in105in▲ D21 Series I+2 in · +2%
Operating Weight9,500lb7,714lb▲ D21 Series I+1,786 lb · +23%

Hydraulics

SpecAllis Chalmers D21 Series ILS MT7101Difference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series ILS MT7101Difference
TypeIndependent540/750/1000—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series ILS MT7101Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIII—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series ILS MT7101Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series ILS MT7101Difference
Starter TypeElectricElectricSame

Emissions

SpecAllis Chalmers D21 Series ILS MT7101Difference
StandardNot recordedTier IV—

Capacities

SpecAllis Chalmers D21 Series ILS MT7101Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series ILS MT7101Difference
TypeOpenCab—

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 · 10th percentile (207 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 98th percentile (40)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 18th percentile (7,714 lb)
A · D21 Series IB · MT7101Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageLS MT7101