Head to head · Utility

Allis Chalmers 8550 vs International Harvester 7588

Allis Chalmers 8550 Tractor
Allis ChalmersModel A

Allis Chalmers 8550

Utility

power
300 hp
displacement
731 ci
Cylinders
6
Forward gears
20
Full 8550 specs
Image not recorded
International HarvesterModel B

International Harvester 7588

Utility

power
300 hp
displacement
798 ci
Cylinders
8
Forward gears
18
Full 7588 specs
Allis ChalmersAllis Chalmers 8550
vs
International HarvesterInternational Harvester 7588

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

= Effectively tied
8550300 hp
7588300 hp
Median Utility Tractor55 hp

8550 is in the 97th percentile; 7588 is in the 97th · 5,383 models

Engine Displacement

▲ 7588 higher · +67 ci (+9%)
8550731 ci
7588798 ci
Median Utility Tractor183 ci

8550 is in the 96th percentile; 7588 is in the 97th · 5,580 models

Cylinders

▲ 7588 higher · +2 (+33%)
85506
75888
Median Utility Tractor4

8550 is in the 93rd percentile; 7588 is in the 99th · 5,720 models

Forward Gears

▲ 8550 higher · +2 (+11%)
855020
758818
Median Utility Tractor12

8550 is in the 86th percentile; 7588 is in the 83rd · 4,941 models

8550 (A)7588 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8550International Harvester 7588Difference
ManufacturerAllis ChalmersInternational Harvester—
Model85507588—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers 8550International Harvester 7588Difference
ManufacturerAllis ChalmersInternational Harvester—
Model6120TDV-800—
Power Output300hp300hpSame
Rated RPM2,500RPM2,400RPM▲ 8550+100 RPM · +4%
Cylinders68▲ 7588+2 · +33%
Displacement731ci798ci▲ 7588+67 ci · +9%
Bore5.3in5.3inSame
Stroke6.3in4.5in▲ 8550+1.8 in · +40%

Transmission

SpecAllis Chalmers 8550International Harvester 7588Difference
TypePartial Power ShiftNot recorded—

Dimensions & Weight

SpecAllis Chalmers 8550International Harvester 7588Difference
Length285in246in▲ 8550+39 in · +16%
Width95.5in116in▲ 7588+20.5 in · +21%
Height139inNot recorded—
Operating Weight27,040lb21,650lb▲ 8550+5,390 lb · +25%

Hydraulics

SpecAllis Chalmers 8550International Harvester 7588Difference
System TypeClosed CenterNot recorded—
Steering TypeHydrostatic PowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers 8550International Harvester 7588Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers 8550International Harvester 7588Difference
Hitch TypeThree-Point HitchCategory III*—
Hitch CategoryIV/IIICategory 3—
Hitch PositionNot recordedRear—

Chassis & Drive

SpecAllis Chalmers 8550International Harvester 7588Difference
Chassis Type4x4 Articulated 4WD4x4 articulated 4WDSame
Drive Type4WD4WDSame
Steering TypeHydrostatic PowerNot recorded—
Brake TypeHydraulic Wet DiscsNot recorded—

Electrical

SpecAllis Chalmers 8550International Harvester 7588Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers 8550International Harvester 7588Difference
Coolant18gal16gal▲ 8550+2 gal · +13%

Operator Station

SpecAllis Chalmers 8550International Harvester 7588Difference
TypeAcousta Cab II with heat and air-conditioningNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 97th percentile (300 hp)B · 97th percentile (300 hp)

Engine Displacement

median 183 ci
A · 96th percentile (731 ci)B · 97th percentile (798 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 99th percentile (8)

Forward Gears

median 12
A · 86th percentile (20)B · 83rd percentile (18)

Operating Weight

median 5,303 lb
A · 96th percentile (27,040 lb)B · 95th percentile (21,650 lb)
A · 8550B · 7588Median Utility Tractor
Full spec pageAllis Chalmers 8550Full spec pageInternational Harvester 7588