Head to head · Utility

Allis Chalmers D272 vs International Harvester 284

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Allis ChalmersModel A

Allis Chalmers D272

Utility

power
27.5 hp
displacement
125 ci
Cylinders
4
Forward gears
3
Full D272 specs
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International HarvesterModel B

International Harvester 284

Utility

power
27.8 hp
displacement
71.3 ci
Cylinders
4
Forward gears
8
Full 284 specs
Allis ChalmersAllis Chalmers D272
vs
International HarvesterInternational Harvester 284

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

▲ 284 higher · +0.3 hp (+1%)
D27227.5 hp
28427.8 hp
Median Utility Tractor55 hp

D272 is in the 19th percentile; 284 is in the 20th · 5,383 models

Engine Displacement

▲ D272 higher · +53.7 ci (+75%)
D272125 ci
28471.3 ci
Median Utility Tractor183 ci

D272 is in the 30th percentile; 284 is in the 10th · 5,580 models

Cylinders

= Effectively tied
D2724
2844
Median Utility Tractor4

D272 is in the 50th percentile; 284 is in the 50th · 5,720 models

Forward Gears

▲ 284 higher · +5 (+167%)
D2723
2848
Median Utility Tractor12

D272 is in the 3rd percentile; 284 is in the 23rd · 4,941 models

D272 (A)284 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D272International Harvester 284Difference
ManufacturerAllis ChalmersInternational Harvester—
ModelD272284—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers D272International Harvester 284Difference
ManufacturerAllis-ChalmersMazda—
Model2.1L 4-cyl gasolineM4-71G—
Power Output27.5hp27.8hp▲ 284+0.3 hp · +1%
Rated RPM1,650RPM2,600RPM▲ 284+950 RPM · +58%
Cylinders44Same
Displacement125ci71.3ci▲ D272+53.7 ci · +75%
Bore3.4in2.8in▲ D272+0.6 in · +21%
Stroke3.5in3in▲ D272+0.5 in · +17%

Transmission

SpecAllis Chalmers D272International Harvester 284Difference
TypeSliding gearSliding gear with dry disc clutch—

Dimensions & Weight

SpecAllis Chalmers D272International Harvester 284Difference
Length110inNot recorded—
WidthNot recorded55.1in—
Height63in72in▲ 284+9 in · +14%
Operating Weight2,060lb2,430lb▲ 284+370 lb · +18%

Hydraulics

SpecAllis Chalmers D272International Harvester 284Difference
Steering TypeNot recordedManual—

Power Take-off (PTO)

SpecAllis Chalmers D272International Harvester 284Difference
TypeNot recordedTransmission—
Speed 1Not recorded540rpm—
Speed 2Not recorded1,000rpm—

Tires

SpecAllis Chalmers D272International Harvester 284Difference
Front Tire SizeNot recorded15—
Rear Tire SizeNot recorded24—

Hitch & Towing

SpecAllis Chalmers D272International Harvester 284Difference
Hitch CategoryNot recordedI—
Hitch CapacityNot recorded2,010lb—

Chassis & Drive

SpecAllis Chalmers D272International Harvester 284Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeNot recordedManual—
Brake TypeNot recordedHydraulic wet disc—

Electrical

SpecAllis Chalmers D272International Harvester 284Difference
Starter TypeNot recordedElectric—

Capacities

SpecAllis Chalmers D272International Harvester 284Difference
Coolant2gal1.3gal▲ D272+0.7 gal · +54%

Operator Station

SpecAllis Chalmers D272International Harvester 284Difference
TypeNot recordedOpen operator station—

Category context

Both models against the field

Engine Power

median 55 hp
A · 19th percentile (27.5 hp)B · 20th percentile (27.8 hp)

Engine Displacement

median 183 ci
A · 30th percentile (125 ci)B · 10th percentile (71.3 ci)

Cylinders

median 4
A · 50th percentile (4)B · 50th percentile (4)

Forward Gears

median 12
A · 3rd percentile (3)B · 23rd percentile (8)

Operating Weight

median 5,303 lb
A · 13th percentile (2,060 lb)B · 16th percentile (2,430 lb)
A · D272B · 284Median Utility Tractor
Full spec pageAllis Chalmers D272Full spec pageInternational Harvester 284