Head to head · Row Crop

Allis Chalmers D21 Series II vs Steyr 8140

Image not recorded
SteyrModel B

Steyr 8140

Agricultural

power
120 hp
displacement
403 ci
Cylinders
6
Forward gears
12
Full 8140 specs
Allis ChalmersAllis Chalmers D21 Series II
vs
SteyrSteyr 8140

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D21 Series II higher · +1 hp (<1%)
D21 Series II121 hp
8140120 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; 8140 is in the 39th · 1,206 models

Engine Displacement

▲ D21 Series II higher · +23 ci (+6%)
D21 Series II426 ci
8140403 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; 8140 is in the 54th · 1,409 models

Cylinders

= Effectively tied
D21 Series II6
81406
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; 8140 is in the 50th · 1,417 models

Forward Gears

▲ 8140 higher · +4 (+50%)
D21 Series II8
814012
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; 8140 is in the 27th · 1,200 models

D21 Series II (A)8140 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IISteyr 8140Difference
ManufacturerAllis ChalmersSteyr—
ModelD21 Series II8140—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series IISteyr 8140Difference
ManufacturerAllis ChalmersSteyr—
Model3500WD 612.40—
Power Output121hp120hp▲ D21 Series II+1 hp · <1%
Rated RPM2,200RPM2,200RPMSame
Cylinders66Same
Displacement426ci403ci▲ D21 Series II+23 ci · +6%
Bore4.3in4.3inSame
Stroke5in4.7in▲ D21 Series II+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series IISteyr 8140Difference
TypeSliding gear with dry disc clutchSynchro—

Dimensions & Weight

SpecAllis Chalmers D21 Series IISteyr 8140Difference
Length160in178in▲ 8140+18 in · +11%
Width91.3inNot recorded—
Height106in109in▲ 8140+3 in · +3%
Operating Weight9,502lb11,642lb▲ 8140+2,140 lb · +23%

Hydraulics

SpecAllis Chalmers D21 Series IISteyr 8140Difference
Steering TypePowerHydrostatic power—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IISteyr 8140Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IISteyr 8140Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IISteyr 8140Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerHydrostatic power—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IISteyr 8140Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D21 Series IISteyr 8140Difference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IISteyr 8140Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 40th percentile (121 hp)B · 39th percentile (120 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 54th percentile (403 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 27th percentile (12)

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 45th percentile (11,642 lb)
A · D21 Series IIB · 8140Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageSteyr 8140