Head to head · Utility

Allis Chalmers 8550 vs International Harvester 4568

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
International Harvester 4568 Tractor
International HarvesterModel B

International Harvester 4568

Agricultural

power
300 hp
displacement
798 ci
Cylinders
8
Forward gears
10
Full 4568 specs
Allis ChalmersAllis Chalmers 8550
vs
International HarvesterInternational Harvester 4568

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

= Effectively tied
8550300 hp
4568300 hp
Median Utility Tractor55 hp

8550 is in the 97th percentile; 4568 is in the 97th · 5,383 models

Engine Displacement

▲ 4568 higher · +67 ci (+9%)
8550731 ci
4568798 ci
Median Utility Tractor183 ci

8550 is in the 96th percentile; 4568 is in the 97th · 5,580 models

Cylinders

▲ 4568 higher · +2 (+33%)
85506
45688
Median Utility Tractor4

8550 is in the 93rd percentile; 4568 is in the 99th · 5,720 models

Forward Gears

▲ 8550 higher · +10 (+100%)
855020
456810
Median Utility Tractor12

8550 is in the 86th percentile; 4568 is in the 39th · 4,941 models

8550 (A)4568 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8550International Harvester 4568Difference
ManufacturerAllis ChalmersInternational Harvester—
Model85504568—
CategoryUtilityAgricultural—

Engine

SpecAllis Chalmers 8550International Harvester 4568Difference
ManufacturerAllis ChalmersInternational Harvester—
Model6120TDVT-800—
Power Output300hp300hpSame
Rated RPM2,500RPM2,600RPM▲ 4568+100 RPM · +4%
Cylinders68▲ 4568+2 · +33%
Displacement731ci798ci▲ 4568+67 ci · +9%
Bore5.3in5.3inSame
Stroke6.3in4.5in▲ 8550+1.8 in · +40%

Transmission

SpecAllis Chalmers 8550International Harvester 4568Difference
TypePartial Power ShiftContinuous mesh—

Dimensions & Weight

SpecAllis Chalmers 8550International Harvester 4568Difference
Length285in241in▲ 8550+44 in · +18%
Width95.5in116in▲ 4568+20.5 in · +21%
Height139inNot recorded—
Operating Weight27,040lb21,900lb▲ 8550+5,140 lb · +23%

Hydraulics

SpecAllis Chalmers 8550International Harvester 4568Difference
System TypeClosed CenterOpen Center—
Steering TypeHydrostatic PowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers 8550International Harvester 4568Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers 8550International Harvester 4568Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIV/IIINot recorded—

Chassis & Drive

SpecAllis Chalmers 8550International Harvester 4568Difference
Chassis Type4x4 Articulated 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypeHydrostatic PowerNot recorded—
Brake TypeHydraulic Wet DiscsNot recorded—

Electrical

SpecAllis Chalmers 8550International Harvester 4568Difference
Starter TypeElectric12 Volt—

Capacities

SpecAllis Chalmers 8550International Harvester 4568Difference
Coolant18galNot recorded—

Operator Station

SpecAllis Chalmers 8550International Harvester 4568Difference
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 · 39th percentile (10)

Operating Weight

median 5,303 lb
A · 96th percentile (27,040 lb)B · 95th percentile (21,900 lb)
A · 8550B · 4568Median Utility Tractor
Full spec pageAllis Chalmers 8550Full spec pageInternational Harvester 4568