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Tractor · 1976Unverified

Allis Chalmers 7580

Name: Allis Chalmers 7580
Brand: Allis Chalmers

Allis Chalmers 7580 — Four-wheel Drive (4WD) tractor · 186 hp. Reference specifications; pending source verification.

The Allis Chalmers 7580 is a tractor with a rated power output of 186 hp, positioning it at the upper end of its class in terms of power. It was manufactured from 1976 to 1981 and features a 6-cylinder turbocharged intercooled diesel liquid-cooled engine, paired with four-wheel drive and a hydrostatic transmission. The tractor has a listed operating weight of 23100 to 23510 pounds, and is suitable for operations across 600–1,500 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

186 hp

Max power

114.6 kW

Weight

23100 to 23510 pounds

Catalogue coverage

Variants represented

Richest spec table

89 rows

Recorded power

186 hp

Transmissions

20-speed partial power shift

Production years

1976-1981

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerAllis ChalmersReference

Four-wheel Drive (4WD) tractorReference

Built in West Allis, Wisconsin, USAReference

Total built1610Reference

Original price$63,084Reference

Four-wheel driveReference

Steeringhydrostatic powerReference

Hydraulic wet discs brakesReference

Acousta cab standard with heat and air-conditioning. Optional radio and 8 track tape player.Reference

Engine

Allis Chalmers 7.0L 6-cyl dieselReference

Fuel tank643.5 LReference

Drawbar (claimed)114.1 kWReference

Drawbar (tested)114.6 kWReference

Allis Chalmers 3750 Mark IIReference

turbocharged intercooled dieselReference

6-cylinderReference

liquid-cooled inlineReference

Displacement7.0 LReference

Bore/Stroke108 x 127 mmReference

Air cleanerdryReference

Compression16:1Reference

Rated RPM2550Reference

Idle RPM775-2750Reference

Firing order1-5-3-6-2-4Reference

Starter volts12Reference

Oil capacity23.7 LReference

Coolant capacity36.0 LReference

Power at rated engine speed139.0 kWReference

Max power114.6 kWReference

Transmission

20-speed partial power shiftReference

TransmissionPower DirectorReference

Typepartial power shiftReference

Gears20 forward and 4 reverseReference

PTO & Hydraulics

PTO (claimed)138.7 kWReference

PTO (tested)139.0 kWReference

Typeclosed centerReference

Valves3 to 4Reference

Pump flow87.1 lpmReference

Total flow283.5 lpmReference

Rear TypeIIIReference

Rear PTOindependentReference

Rear PTO Type1000Reference

Dimensions

Wheelbase320 cmReference

Weight23100 to 23510 poundsReference

Front tire20.8x38Reference

Rear tire20.8x38Reference

Ag front20.8x38Reference

Ag rear20.8x38Reference

Ag front23.1x30Reference

Ag front24.5x32Reference

Ag front30.5x32Reference

Ag front20.8x34Reference

Ag front18.4x38Reference

Ag rear23.1x30Reference

Ag rear24.5x32Reference

Ag rear30.5x32Reference

Ag rear20.8x34Reference

Ag rear18.4x38Reference

Length571 cmReference

Width242 cmReference

Width303 cmReference

Height (hood)216 cmReference

Height (exhaust)381 cmReference

Ground clearance43 cmReference

Front tread157 to 312 cmReference

Rear tread157 to 312 cmReference

Shipping10478 kgReference

Operating10664 kgReference

Ballasted11340 kgReference

7580 Serial Numbers

Location:Front frame, rear left sideReference

19761001Reference

19771288Reference

19781605Reference

19792218Reference

19802486Reference

19812717Reference

Final3018Reference

FAQ: How to read a serial number table.Reference

Electrical

Charging systemalternatorReference

Batteries4Reference

Battery volts12Reference

Test results

Diesel 20-speed 4WDOctober 26 - November 8, 1976Link: Nebraska Tractor Test 1229 fileReference

PTO performanceReference

Fuel use47.7 l/hourReference

Drawbar performanceReference

Gear 4SL used for power test.Reference

Max pull10573 kgReference

Gear 1SH used for pull test.Reference

Speeds

With 20.8x38 rear tires.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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