Head to head · Utility

Allis Chalmers 7580 vs JCB Fastrac 3185

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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
JCBJCB Fastrac 3185

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

▲ Fastrac 3185 higher · +2 hp (+1%)
7580186 hp
Fastrac 3185188 hp
Median Utility Tractor55 hp

7580 is in the 94th percentile; Fastrac 3185 is in the 94th · 5,383 models

Engine Displacement

▲ 7580 higher · +67 ci (+19%)
7580426 ci
Fastrac 3185359 ci
Median Utility Tractor183 ci

7580 is in the 92nd percentile; Fastrac 3185 is in the 87th · 5,580 models

Cylinders

= Effectively tied
75806
Fastrac 31856
Median Utility Tractor4

7580 is in the 93rd percentile; Fastrac 3185 is in the 93rd · 5,720 models

Forward Gears

▲ Fastrac 3185 higher · +16 (+80%)
758020
Fastrac 318536
Median Utility Tractor12

7580 is in the 86th percentile; Fastrac 3185 is in the 99th · 4,941 models

7580 (A)Fastrac 3185 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
ManufacturerAllis ChalmersJCB—
Model7580Fastrac 3185—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
ManufacturerAllis ChalmersCummins—
Model3750 Mark II6 BTA—
Power Output186hp188hp▲ Fastrac 3185+2 hp · +1%
Rated RPM2,550RPM2,400RPM▲ 7580+150 RPM · +6%
Cylinders66Same
Displacement426ci359ci▲ 7580+67 ci · +19%
Bore4.3in4in▲ 7580+0.3 in · +7%
Stroke5in4.7in▲ 7580+0.3 in · +6%

Transmission

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
TypePartial power shiftNot recorded—

Dimensions & Weight

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
Length225in203in▲ 7580+22 in · +11%
Width95.5inNot recorded—
Height150in124in▲ 7580+26 in · +21%
Operating Weight25,000lb14,916lb▲ 7580+10,084 lb · +68%

Hydraulics

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
System TypeClosed centerNot recorded—
Steering TypeHydrostatic powerPower Assist—

Power Take-off (PTO)

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—

Tires

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
Front Tire Size23.1-30Not recorded—
Rear Tire Size23.1-30Not recorded—

Hitch & Towing

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
Hitch TypeIIINot recorded—
Hitch CategoryCategory 3Not recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
Chassis Type4x4 articulated 4WD4x4 4WD—
Drive Type4WD4WDSame
Steering TypeHydrostatic powerPower Assist—
Brake TypeHydraulic wet discsNot recorded—

Electrical

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
Coolant9.5galNot recorded—

Operator Station

SpecAllis Chalmers 7580JCB Fastrac 3185Difference
TypeAcousta cabNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 94th percentile (186 hp)B · 94th percentile (188 hp)

Engine Displacement

median 183 ci
A · 92nd percentile (426 ci)B · 87th percentile (359 ci)

Cylinders

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

Forward Gears

median 12
A · 86th percentile (20)B · 99th percentile (36)

Operating Weight

median 5,303 lb
A · 96th percentile (25,000 lb)B · 93rd percentile (14,916 lb)
A · 7580B · Fastrac 3185Median Utility Tractor
Full spec pageAllis Chalmers 7580Full spec pageJCB Fastrac 3185