Head to head · Row Crop

Allis Chalmers D12 vs Allis Chalmers D15 Series I

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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
Allis Chalmers D15 Series I Tractor
Allis ChalmersModel B

Allis Chalmers D15 Series I

Row Crop

power
40 hp
displacement
149 ci
Cylinders
4
Forward gears
8
Full D15 Series I specs
Allis ChalmersAllis Chalmers D12
vs
Allis ChalmersAllis Chalmers D15 Series I

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D15 Series I higher · +9 hp (+29%)
D1231 hp
D15 Series I40 hp
Median Row Crop Tractor138 hp

D12 is in the 3rd percentile; D15 Series I is in the 4th · 1,206 models

Engine Displacement

= Effectively tied
D12149 ci
D15 Series I149 ci
Median Row Crop Tractor391 ci

D12 is in the 4th percentile; D15 Series I is in the 4th · 1,409 models

Cylinders

= Effectively tied
D124
D15 Series I4
Median Row Crop Tractor6

D12 is in the 17th percentile; D15 Series I is in the 17th · 1,417 models

Forward Gears

▲ D15 Series I higher · +4 (+100%)
D124
D15 Series I8
Median Row Crop Tractor16

D12 is in the 4th percentile; D15 Series I is in the 16th · 1,200 models

D12 (A)D15 Series I (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
ManufacturerAllis ChalmersAllis ChalmersSame
ModelD12D15 Series I—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
ManufacturerAllis-ChalmersAllis Chalmers—
ModelPower-CraterAllis Chalmers—
Power Output31hp40hp▲ D15 Series I+9 hp · +29%
Rated RPM1,650RPM2,000RPM▲ D15 Series I+350 RPM · +21%
Cylinders44Same
Displacement149ci149ciSame
Bore3.5in3.5inSame
Stroke3.9in3.9inSame

Transmission

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
TypeSliding GearPartial Power Shift—

Dimensions & Weight

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
Length121in130in▲ D15 Series I+9 in · +7%
WidthNot recorded66.9in—
Height76.5in79.9in▲ D15 Series I+3.4 in · +4%
Operating Weight2,800lb3,990lb▲ D15 Series I+1,190 lb · +43%

Hydraulics

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
System TypeLiveNot recorded—
Steering TypeManualManualSame

Power Take-off (PTO)

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
TypeRearLive—
Speed 1540rpm540rpmSame

Hitch & Towing

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
Hitch TypeSnap-CouplerSnap-CouplerSame
Hitch CategoryIII/I—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeNot recordedExpanding shoe—

Electrical

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
Coolant2gal2.8gal▲ D15 Series I+0.8 gal · +40%

Operator Station

SpecAllis Chalmers D12Allis Chalmers D15 Series IDifference
TypeOpenOpenSame

Category context

Both models against the field

Engine Power

median 138 hp
A · 3rd percentile (31 hp)B · 4th percentile (40 hp)

Engine Displacement

median 391 ci
A · 4th percentile (149 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 · 16th percentile (8)

Operating Weight

median 12,307 lb
A · 2nd percentile (2,800 lb)B · 5th percentile (3,990 lb)
A · D12B · D15 Series IMedian Row Crop Tractor
Full spec pageAllis Chalmers D12Full spec pageAllis Chalmers D15 Series I