Head to head · Row Crop

Allis Chalmers D12 vs Allis Chalmers WD

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Allis ChalmersModel A

Allis Chalmers D12

Row Crop

power
31 hp
displacement
149 ci
Cylinders
4
Forward gears
4
Full D12 specs
Image not recorded
Allis ChalmersModel B

Allis Chalmers WD

Row Crop

power
34.6 hp
displacement
201 ci
Cylinders
4
Forward gears
4
Full WD specs
Allis ChalmersAllis Chalmers D12
vs
Allis ChalmersAllis Chalmers WD

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ WD higher · +3.6 hp (+12%)
D1231 hp
WD34.6 hp
Median Row Crop Tractor138 hp

D12 is in the 3rd percentile; WD is in the 3rd · 1,206 models

Engine Displacement

▲ WD higher · +52 ci (+35%)
D12149 ci
WD201 ci
Median Row Crop Tractor391 ci

D12 is in the 4th percentile; WD is in the 8th · 1,409 models

Cylinders

= Effectively tied
D124
WD4
Median Row Crop Tractor6

D12 is in the 17th percentile; WD is in the 17th · 1,417 models

Forward Gears

= Effectively tied
D124
WD4
Median Row Crop Tractor16

D12 is in the 4th percentile; WD is in the 4th · 1,200 models

D12 (A)WD (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D12Allis Chalmers WDDifference
ManufacturerAllis ChalmersAllis ChalmersSame
ModelD12WD—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D12Allis Chalmers WDDifference
ManufacturerAllis-ChalmersAllis Chalmers—
ModelPower-CraterAllis Chalmers—
Power Output31hp34.6hp▲ WD+3.6 hp · +12%
Rated RPM1,650RPM1,659RPM▲ WD+9 RPM · <1%
Cylinders44Same
Displacement149ci201ci▲ WD+52 ci · +35%
Bore3.5in4in▲ WD+0.5 in · +14%
Stroke3.9in4in▲ WD+0.1 in · +3%

Transmission

SpecAllis Chalmers D12Allis Chalmers WDDifference
TypeSliding GearNon-synchronized Gear—

Dimensions & Weight

SpecAllis Chalmers D12Allis Chalmers WDDifference
Length121in127in▲ WD+6 in · +5%
Height76.5in81.5in▲ WD+5 in · +7%
Operating Weight2,800lbNot recorded—

Hydraulics

SpecAllis Chalmers D12Allis Chalmers WDDifference
System TypeLiveOpen Center—
Steering TypeManualManualSame

Power Take-off (PTO)

SpecAllis Chalmers D12Allis Chalmers WDDifference
TypeRearOptional Transmission or Live—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D12Allis Chalmers WDDifference
Hitch TypeSnap-CouplerSingle Hitch Point—
Hitch CategoryINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D12Allis Chalmers WDDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeNot recordedManual External Compression Band—

Electrical

SpecAllis Chalmers D12Allis Chalmers WDDifference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D12Allis Chalmers WDDifference
Coolant2gal3.5gal▲ WD+1.5 gal · +75%

Operator Station

SpecAllis Chalmers D12Allis Chalmers WDDifference
TypeOpenOpenSame

Category context

Both models against the field

Engine Power

median 138 hp
A · 3rd percentile (31 hp)B · 3rd percentile (34.6 hp)

Engine Displacement

median 391 ci
A · 4th percentile (149 ci)B · 8th percentile (201 ci)

Cylinders

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

Forward Gears

median 16
A · 4th percentile (4)B · 4th percentile (4)

Length

median 180 in
A · 3rd percentile (121 in)B · 5th percentile (127 in)
A · D12B · WDMedian Row Crop Tractor
Full spec pageAllis Chalmers D12Full spec pageAllis Chalmers WD