Head to head · Utility

Allis Chalmers 7580 vs CaseIH STX380QT Quadtrac

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Allis ChalmersModel A

Allis Chalmers 7580

Utility

power
186 hp
displacement
426 ci
Cylinders
6
Forward gears
20
Full 7580 specs
Allis ChalmersAllis Chalmers 7580
vs
CaseIHCaseIH STX380QT Quadtrac

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ STX380QT Quadtrac higher · +194 hp (+104%)
7580186 hp
STX380QT Quadtrac380 hp
Median Utility Tractor55 hp

7580 is in the 94th percentile; STX380QT Quadtrac is in the 98th · 5,383 models

Engine Displacement

▲ STX380QT Quadtrac higher · +360 ci (+85%)
7580426 ci
STX380QT Quadtrac786 ci
Median Utility Tractor183 ci

7580 is in the 92nd percentile; STX380QT Quadtrac is in the 96th · 5,580 models

Cylinders

= Effectively tied
75806
STX380QT Quadtrac6
Median Utility Tractor4

7580 is in the 93rd percentile; STX380QT Quadtrac is in the 93rd · 5,720 models

Forward Gears

▲ 7580 higher · +4 (+25%)
758020
STX380QT Quadtrac16
Median Utility Tractor12

7580 is in the 86th percentile; STX380QT Quadtrac is in the 73rd · 4,941 models

7580 (A)STX380QT Quadtrac (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
ManufacturerAllis ChalmersCaseIH—
Model7580STX380QT Quadtrac—
CategoryUtilityArticulated—

Engine

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
ManufacturerAllis ChalmersIveco—
Model3750 Mark IINot recorded—
Power Output186hp380hp▲ STX380QT Quadtrac+194 hp · +104%
Rated RPM2,550RPM2,000RPM▲ 7580+550 RPM · +28%
Cylinders66Same
Displacement426ci786ci▲ STX380QT Quadtrac+360 ci · +85%
Bore4.3in5.3in▲ STX380QT Quadtrac+1 in · +23%
Stroke5in5.9in▲ STX380QT Quadtrac+0.9 in · +18%

Transmission

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
TypePartial power shiftFull power shift—

Dimensions & Weight

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
Length225inNot recorded—
Width95.5in30in▲ 7580+65.5 in · +218%
Height150inNot recorded—
Operating Weight25,000lb54,000lb▲ STX380QT Quadtrac+29,000 lb · +116%

Hydraulics

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
System TypeClosed centerPressure flow compensated—
Steering TypeHydrostatic powerHydrostatic powerSame

Power Take-off (PTO)

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—

Tires

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
Front Tire Size23.1-30Not recorded—
Rear Tire Size23.1-30Not recorded—

Hitch & Towing

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
Hitch TypeIIINot recorded—
Hitch CategoryCategory 3Not recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
Chassis Type4x4 articulated 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypeHydrostatic powerHydrostatic powerSame
Brake TypeHydraulic wet discsNot recorded—

Electrical

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
Coolant9.5galNot recorded—

Operator Station

SpecAllis Chalmers 7580CaseIH STX380QT QuadtracDifference
TypeAcousta cabNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 94th percentile (186 hp)B · 98th percentile (380 hp)

Engine Displacement

median 183 ci
A · 92nd percentile (426 ci)B · 96th percentile (786 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 93rd percentile (6)

Forward Gears

median 12
A · 86th percentile (20)B · 73rd percentile (16)

Operating Weight

median 5,303 lb
A · 96th percentile (25,000 lb)B · 99th percentile (54,000 lb)
A · 7580B · STX380QT QuadtracMedian Utility Tractor
Full spec pageAllis Chalmers 7580Full spec pageCaseIH STX380QT Quadtrac