Head to head · Utility

Allis Chalmers 7580 vs Deutz-Fahr AgroStar 6.81

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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
Image not recorded
Deutz-FahrModel B

Deutz-Fahr AgroStar 6.81

Row Crop

power
185 hp
displacement
428 ci
Cylinders
6
Forward gears
18
Full AgroStar 6.81 specs
Allis ChalmersAllis Chalmers 7580
vs
Deutz-FahrDeutz-Fahr AgroStar 6.81

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ 7580 higher · +1 hp (<1%)
7580186 hp
AgroStar 6.81185 hp
Median Utility Tractor55 hp

7580 is in the 94th percentile; AgroStar 6.81 is in the 94th · 5,383 models

Engine Displacement

▲ AgroStar 6.81 higher · +2 ci (<1%)
7580426 ci
AgroStar 6.81428 ci
Median Utility Tractor183 ci

7580 is in the 92nd percentile; AgroStar 6.81 is in the 92nd · 5,580 models

Cylinders

= Effectively tied
75806
AgroStar 6.816
Median Utility Tractor4

7580 is in the 93rd percentile; AgroStar 6.81 is in the 93rd · 5,720 models

Forward Gears

▲ 7580 higher · +2 (+11%)
758020
AgroStar 6.8118
Median Utility Tractor12

7580 is in the 86th percentile; AgroStar 6.81 is in the 83rd · 4,941 models

7580 (A)AgroStar 6.81 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
ManufacturerAllis ChalmersDeutz-Fahr—
Model7580AgroStar 6.81—
CategoryUtilityRow Crop—

Engine

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
ManufacturerAllis ChalmersDeutz—
Model3750 Mark IINot recorded—
Power Output186hp185hp▲ 7580+1 hp · <1%
Rated RPM2,550RPM2,350RPM▲ 7580+200 RPM · +9%
Cylinders66Same
Displacement426ci428ci▲ AgroStar 6.81+2 ci · <1%
Bore4.3in4.1in▲ 7580+0.2 in · +5%
Stroke5in5.3in▲ AgroStar 6.81+0.3 in · +6%

Transmission

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
TypePartial power shiftNot recorded—

Dimensions & Weight

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
Length225in199in▲ 7580+26 in · +13%
Width95.5in97.2in▲ AgroStar 6.81+1.7 in · +2%
Height150in122in▲ 7580+28 in · +23%
Operating Weight25,000lb15,432lb▲ 7580+9,568 lb · +62%

Hydraulics

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
System TypeClosed centerNot recorded—
Steering TypeHydrostatic powerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—

Tires

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
Front Tire Size23.1-30Not recorded—
Rear Tire Size23.1-30Not recorded—

Hitch & Towing

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
Hitch TypeIIIThree-Point Hitch—
Hitch CategoryCategory 3III/II—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
Chassis Type4x4 articulated 4WD4x4 MFWD 4WD—
Drive Type4WD4WDSame
Steering TypeHydrostatic powerNot recorded—
Brake TypeHydraulic wet discsNot recorded—

Electrical

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
Coolant9.5galNot recorded—

Operator Station

SpecAllis Chalmers 7580Deutz-Fahr AgroStar 6.81Difference
TypeAcousta cabCab—

Category context

Both models against the field

Engine Power

median 55 hp
A · 94th percentile (186 hp)B · 94th percentile (185 hp)

Engine Displacement

median 183 ci
A · 92nd percentile (426 ci)B · 92nd percentile (428 ci)

Cylinders

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

Forward Gears

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

Operating Weight

median 5,303 lb
A · 96th percentile (25,000 lb)B · 93rd percentile (15,432 lb)
A · 7580B · AgroStar 6.81Median Utility Tractor
Full spec pageAllis Chalmers 7580Full spec pageDeutz-Fahr AgroStar 6.81