Head to head · Row Crop

Allis Chalmers CA vs Allis Chalmers D12

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Allis ChalmersModel A

Allis Chalmers CA

Row Crop

power
23.1 hp
displacement
125 ci
Cylinders
4
Forward gears
4
Full CA specs
Image not recorded
Allis ChalmersModel B

Allis Chalmers D12

Row Crop

power
31 hp
displacement
149 ci
Cylinders
4
Forward gears
4
Full D12 specs
Allis ChalmersAllis Chalmers CA
vs
Allis ChalmersAllis Chalmers D12

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D12 higher · +7.9 hp (+34%)
CA23.1 hp
D1231 hp
Median Row Crop Tractor138 hp

CA is in the 2nd percentile; D12 is in the 3rd · 1,206 models

Engine Displacement

▲ D12 higher · +24 ci (+19%)
CA125 ci
D12149 ci
Median Row Crop Tractor391 ci

CA is in the 2nd percentile; D12 is in the 4th · 1,409 models

Cylinders

= Effectively tied
CA4
D124
Median Row Crop Tractor6

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

Forward Gears

= Effectively tied
CA4
D124
Median Row Crop Tractor16

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

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

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers CAAllis Chalmers D12Difference
ManufacturerAllis ChalmersAllis ChalmersSame
ModelCAD12—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers CAAllis Chalmers D12Difference
ManufacturerAllis ChalmersAllis-Chalmers—
ModelAllis ChalmersPower-Crater—
Power Output23.1hp31hp▲ D12+7.9 hp · +34%
Rated RPM1,650RPM1,650RPMSame
Cylinders44Same
Displacement125ci149ci▲ D12+24 ci · +19%
Bore3.4in3.5in▲ D12+0.1 in · +3%
Stroke3.5in3.9in▲ D12+0.4 in · +11%

Transmission

SpecAllis Chalmers CAAllis Chalmers D12Difference
TypeNon-synchronized gearSliding Gear—

Dimensions & Weight

SpecAllis Chalmers CAAllis Chalmers D12Difference
Length125in121in▲ CA+4 in · +3%
Height72.8in76.5in▲ D12+3.7 in · +5%
Operating Weight2,835lb2,800lb▲ CA+35 lb · +1%

Hydraulics

SpecAllis Chalmers CAAllis Chalmers D12Difference
System TypeNot recordedLive—
Steering TypeManualManualSame

Power Take-off (PTO)

SpecAllis Chalmers CAAllis Chalmers D12Difference
TypeLiveRear—
Speed 1538rpm540rpm▲ D12+2 rpm · <1%

Hitch & Towing

SpecAllis Chalmers CAAllis Chalmers D12Difference
Hitch TypeAllis Snap CouplerSnap-Coupler—
Hitch CategoryNot recordedI—
Hitch PositionNot recordedRear—

Chassis & Drive

SpecAllis Chalmers CAAllis Chalmers D12Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeDifferential mechanical contracting bandNot recorded—

Electrical

SpecAllis Chalmers CAAllis Chalmers D12Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers CAAllis Chalmers D12Difference
Coolant2.3gal2gal▲ CA+0.3 gal · +15%

Operator Station

SpecAllis Chalmers CAAllis Chalmers D12Difference
TypeOpenOpenSame

Category context

Both models against the field

Engine Power

median 138 hp
A · 2nd percentile (23.1 hp)B · 3rd percentile (31 hp)

Engine Displacement

median 391 ci
A · 2nd percentile (125 ci)B · 4th percentile (149 ci)

Cylinders

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

Forward Gears

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

Operating Weight

median 12,307 lb
A · 2nd percentile (2,835 lb)B · 2nd percentile (2,800 lb)
A · CAB · D12Median Row Crop Tractor
Full spec pageAllis Chalmers CAFull spec pageAllis Chalmers D12