Head to head · Utility

Allis Chalmers 7580 vs CaseIH STX280

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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
CaseIH STX280 Tractor
CaseIHModel B

CaseIH STX280

Utility

power
280 hp
displacement
505 ci
Cylinders
6
Forward gears
16
Full STX280 specs
Allis ChalmersAllis Chalmers 7580
vs
CaseIHCaseIH STX280

How they compare

Headline specs vs. the whole Utility

n = 4,941–5,720

Engine Power

▲ STX280 higher · +94 hp (+51%)
7580186 hp
STX280280 hp
Median Utility Tractor55 hp

7580 is in the 94th percentile; STX280 is in the 96th · 5,383 models

Engine Displacement

▲ STX280 higher · +79 ci (+19%)
7580426 ci
STX280505 ci
Median Utility Tractor183 ci

7580 is in the 92nd percentile; STX280 is in the 94th · 5,580 models

Cylinders

= Effectively tied
75806
STX2806
Median Utility Tractor4

7580 is in the 93rd percentile; STX280 is in the 93rd · 5,720 models

Forward Gears

▲ 7580 higher · +4 (+25%)
758020
STX28016
Median Utility Tractor12

7580 is in the 86th percentile; STX280 is in the 73rd · 4,941 models

7580 (A)STX280 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7580CaseIH STX280Difference
ManufacturerAllis ChalmersCaseIH—
Model7580STX280—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers 7580CaseIH STX280Difference
ManufacturerAllis ChalmersCDC—
Model3750 Mark IINot recorded—
Power Output186hp280hp▲ STX280+94 hp · +51%
Rated RPM2,550RPM2,000RPM▲ 7580+550 RPM · +28%
Cylinders66Same
Displacement426ci505ci▲ STX280+79 ci · +19%
Bore4.3in4.5in▲ STX280+0.2 in · +5%
Stroke5in5.3in▲ STX280+0.3 in · +6%

Transmission

SpecAllis Chalmers 7580CaseIH STX280Difference
TypePartial power shiftfull power shift—

Dimensions & Weight

SpecAllis Chalmers 7580CaseIH STX280Difference
Length225inNot recorded—
Width95.5inNot recorded—
Height150inNot recorded—
Operating Weight25,000lb39,600lb▲ STX280+14,600 lb · +58%

Hydraulics

SpecAllis Chalmers 7580CaseIH STX280Difference
System TypeClosed centerPressure flow compensated—
Steering TypeHydrostatic powerHydrostatic powerSame

Power Take-off (PTO)

SpecAllis Chalmers 7580CaseIH STX280Difference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—

Tires

SpecAllis Chalmers 7580CaseIH STX280Difference
Front Tire Size23.1-30Not recorded—
Rear Tire Size23.1-30Not recorded—

Hitch & Towing

SpecAllis Chalmers 7580CaseIH STX280Difference
Hitch TypeIIIIVN/III—
Hitch CategoryCategory 3Category 3Same
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers 7580CaseIH STX280Difference
Chassis Type4x4 articulated 4WD4x4 articulated 4WDSame
Drive Type4WD4WDSame
Steering TypeHydrostatic powerHydrostatic powerSame
Brake TypeHydraulic wet discsNot recorded—

Electrical

SpecAllis Chalmers 7580CaseIH STX280Difference
Starter TypeElectric12v electric starter—

Capacities

SpecAllis Chalmers 7580CaseIH STX280Difference
Coolant9.5galNot recorded—

Operator Station

SpecAllis Chalmers 7580CaseIH STX280Difference
TypeAcousta cabNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 94th percentile (186 hp)B · 96th percentile (280 hp)

Engine Displacement

median 183 ci
A · 92nd percentile (426 ci)B · 94th percentile (505 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 (39,600 lb)
A · 7580B · STX280Median Utility Tractor
Full spec pageAllis Chalmers 7580Full spec pageCaseIH STX280