Head to head · Utility

Allis Chalmers 7580 vs John Deere 9520RX

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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
John Deere 9520RX Tractor
John DeereModel B

John Deere 9520RX

Articulated

power
363 hp
displacement
827 ci
Cylinders
6
Forward gears
18
Full 9520RX specs
Allis ChalmersAllis Chalmers 7580
vs
John DeereJohn Deere 9520RX

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ 9520RX higher · +177 hp (+95%)
7580186 hp
9520RX363 hp
Median Utility Tractor55 hp

7580 is in the 94th percentile; 9520RX is in the 98th · 5,383 models

Engine Displacement

▲ 9520RX higher · +401 ci (+94%)
7580426 ci
9520RX827 ci
Median Utility Tractor183 ci

7580 is in the 92nd percentile; 9520RX is in the 97th · 5,580 models

Cylinders

= Effectively tied
75806
9520RX6
Median Utility Tractor4

7580 is in the 93rd percentile; 9520RX is in the 93rd · 5,720 models

Forward Gears

▲ 7580 higher · +2 (+11%)
758020
9520RX18
Median Utility Tractor12

7580 is in the 86th percentile; 9520RX is in the 83rd · 4,941 models

7580 (A)9520RX (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7580John Deere 9520RXDifference
ManufacturerAllis ChalmersJohn Deere—
Model75809520RX—
CategoryUtilityArticulated—

Engine

SpecAllis Chalmers 7580John Deere 9520RXDifference
ManufacturerAllis ChalmersJohn Deere—
Model3750 Mark IIPSS—
Power Output186hp363hp▲ 9520RX+177 hp · +95%
Rated RPM2,550RPMNot recorded—
Cylinders66Same
Displacement426ci827ci▲ 9520RX+401 ci · +94%
Bore4.3in5.2in▲ 9520RX+0.9 in · +21%
Stroke5in6.5in▲ 9520RX+1.5 in · +30%

Transmission

SpecAllis Chalmers 7580John Deere 9520RXDifference
TypePartial power shiftSelective gear fixed ratio with full-range operator controlled power shift—

Dimensions & Weight

SpecAllis Chalmers 7580John Deere 9520RXDifference
Length225in322in▲ 9520RX+97 in · +43%
Width95.5in117in▲ 9520RX+21.5 in · +23%
Height150in157in▲ 9520RX+7 in · +5%
Operating Weight25,000lb57,395lb▲ 9520RX+32,395 lb · +130%

Hydraulics

SpecAllis Chalmers 7580John Deere 9520RXDifference
System TypeClosed centerClosed-center pressure/flow compensated—
Steering TypeHydrostatic powerPower—

Power Take-off (PTO)

SpecAllis Chalmers 7580John Deere 9520RXDifference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—

Tires

SpecAllis Chalmers 7580John Deere 9520RXDifference
Front Tire Size23.1-30Not recorded—
Rear Tire Size23.1-30Not recorded—

Hitch & Towing

SpecAllis Chalmers 7580John Deere 9520RXDifference
Hitch TypeIIINot recorded—
Hitch CategoryCategory 3Category 4N/4—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers 7580John Deere 9520RXDifference
Chassis Type4x4 articulated 4WDTrack—
Drive Type4WD4WDSame
Steering TypeHydrostatic powerPower—
Brake TypeHydraulic wet discsNot recorded—

Electrical

SpecAllis Chalmers 7580John Deere 9520RXDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 7580John Deere 9520RXDifference
Coolant9.5galNot recorded—

Operator Station

SpecAllis Chalmers 7580John Deere 9520RXDifference
TypeAcousta cabNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 94th percentile (186 hp)B · 98th percentile (363 hp)

Engine Displacement

median 183 ci
A · 92nd percentile (426 ci)B · 97th percentile (827 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 · 99th percentile (57,395 lb)
A · 7580B · 9520RXMedian Utility Tractor
Full spec pageAllis Chalmers 7580Full spec pageJohn Deere 9520RX