Head to head · Row Crop

Allis Chalmers D21 Series I vs LS XP7102

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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
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LSModel B

LS XP7102

Utility

power
102 hp
displacement
207 ci
Cylinders
4
Forward gears
40
Full XP7102 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
LSLS XP7102

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
XP7102102 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; XP7102 is in the 26th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +219 ci (+106%)
D21 Series I426 ci
XP7102207 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; XP7102 is in the 10th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
XP71024
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; XP7102 is in the 17th · 1,417 models

Forward Gears

▲ XP7102 higher · +32 (+400%)
D21 Series I8
XP710240
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; XP7102 is in the 98th · 1,200 models

D21 Series I (A)XP7102 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series ILS XP7102Difference
ManufacturerAllis ChalmersLS—
ModelD21 Series IXP7102—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series ILS XP7102Difference
ManufacturerAllis ChalmersLS—
Model3400F5G—
Power Output103hp102hp▲ D21 Series I+1 hp · <1%
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 XP7102Difference
TypeSliding gear with dry disc clutchSynchro Shuttle/Power Shuttle—

Dimensions & Weight

SpecAllis Chalmers D21 Series ILS XP7102Difference
Length161in171in▲ XP7102+10 in · +6%
Width91.6in78.7in▲ D21 Series I+12.9 in · +16%
Height107inNot recorded—
Operating Weight9,500lb7,760lb▲ D21 Series I+1,740 lb · +22%

Hydraulics

SpecAllis Chalmers D21 Series ILS XP7102Difference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series ILS XP7102Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series ILS XP7102Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIII—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series ILS XP7102Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series ILS XP7102Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series ILS XP7102Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series ILS XP7102Difference
TypeOpenNot recorded—

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 · 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 · 19th percentile (7,760 lb)
A · D21 Series IB · XP7102Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageLS XP7102