Head to head · Row Crop

Allis Chalmers D12 vs International Harvester 274

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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
International Harvester 274 Tractor
International HarvesterModel B

International Harvester 274

Utility

power
30 hp
displacement
99 ci
Cylinders
3
Forward gears
8
Full 274 specs
Allis ChalmersAllis Chalmers D12
vs
International HarvesterInternational Harvester 274

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D12 higher · +1 hp (+3%)
D1231 hp
27430 hp
Median Row Crop Tractor138 hp

D12 is in the 3rd percentile; 274 is in the 2nd · 1,206 models

Engine Displacement

▲ D12 higher · +50 ci (+51%)
D12149 ci
27499 ci
Median Row Crop Tractor391 ci

D12 is in the 4th percentile; 274 is in the 1st · 1,409 models

Cylinders

▲ D12 higher · +1 (+33%)
D124
2743
Median Row Crop Tractor6

D12 is in the 17th percentile; 274 is in the 2nd · 1,417 models

Forward Gears

▲ 274 higher · +4 (+100%)
D124
2748
Median Row Crop Tractor16

D12 is in the 4th percentile; 274 is in the 16th · 1,200 models

D12 (A)274 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D12International Harvester 274Difference
ManufacturerAllis ChalmersInternational Harvester—
ModelD12274—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D12International Harvester 274Difference
ManufacturerAllis-ChalmersNissan—
ModelPower-CraterNot recorded—
Power Output31hp30hp▲ D12+1 hp · +3%
Rated RPM1,650RPM2,600RPM▲ 274+950 RPM · +58%
Cylinders43▲ D12+1 · +33%
Displacement149ci99ci▲ D12+50 ci · +51%
Bore3.5in3.3in▲ D12+0.2 in · +6%
Stroke3.9in3.9inSame

Transmission

SpecAllis Chalmers D12International Harvester 274Difference
TypeSliding GearSliding GearSame

Dimensions & Weight

SpecAllis Chalmers D12International Harvester 274Difference
Length121in109in▲ D12+12 in · +11%
WidthNot recorded57.9in—
Height76.5in67.9in▲ D12+8.6 in · +13%
Operating Weight2,800lb2,720lb▲ D12+80 lb · +3%

Hydraulics

SpecAllis Chalmers D12International Harvester 274Difference
System TypeLiveNot recorded—
Steering TypeManualNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D12International Harvester 274Difference
TypeRearNot recorded—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D12International Harvester 274Difference
Hitch TypeSnap-CouplerCategory I—
Hitch CategoryICategory 3—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D12International Harvester 274Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeManualNot recorded—

Electrical

SpecAllis Chalmers D12International Harvester 274Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D12International Harvester 274Difference
Coolant2gal1.8gal▲ D12+0.2 gal · +11%

Operator Station

SpecAllis Chalmers D12International Harvester 274Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 3rd percentile (31 hp)B · 2nd percentile (30 hp)

Engine Displacement

median 391 ci
A · 4th percentile (149 ci)B · 1st percentile (99 ci)

Cylinders

median 6
A · 17th percentile (4)B · 2nd percentile (3)

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 · 2nd percentile (2,720 lb)
A · D12B · 274Median Row Crop Tractor
Full spec pageAllis Chalmers D12Full spec pageInternational Harvester 274