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Tractor · 1978Unverified

Allis Chalmers 7020

Name: Allis Chalmers 7020
Brand: Allis Chalmers

Allis Chalmers 7020 — Row-Crop tractor · 124 hp. Reference specifications; pending source verification.

The Allis Chalmers 7020 is a tractor with a rated power output of 124 hp, positioning it at the more powerful end of its class. It was manufactured from 1978 to 1981. The tractor features a 6-cylinder turbocharged intercooled diesel liquid-cooled engine, coupled with two-wheel drive and a hydrostatic transmission. Its operating weight is listed as 10820 to 11700 pounds.

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

Rated power

124 hp

Max power

76.0 kW

Weight

10820 to 11700 pounds

Catalogue coverage

Variants represented

Richest spec table

109 rows

Recorded power

124 hp

Transmissions

16-speed partial power shift

Production years

1978-1981

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

Row-Crop tractorReference

Built in West Allis, Wisconsin, USAReference

Original price$39,378Reference

Two-wheel driveReference

Final drivesinboard planetaryReference

Steeringhydrostatic powerReference

Differential power wet disc brakesReference

Acousta cab standard with heat. Air-conditioning optional. Radio and eight-track player optional.Reference

Engine

Allis Chalmers 4.9L 6-cyl dieselReference

Fuel tank193.0 LReference

Fuel tank49.2 LReference

Engine108.9 kWReference

Drawbar (claimed)79.0 kWReference

Drawbar (tested)76.1 kWReference

Allis Chalmers 649IReference

intercooled turbocharged dieselReference

6-cylinderReference

liquid-cooled InlineReference

Displacement4.9 LReference

Bore/Stroke98 x 108 mmReference

Power108.9 kWReference

Air cleanerdry with pre-cleanerReference

Compression16.25:1Reference

Rated RPM2300Reference

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

Starter volts12Reference

Oil capacity18.9 LReference

Coolant capacity24.6 LReference

Power at rated engine speed92.3 kWReference

Max power76.0 kWReference

Power at rated engine speed92.4 kWReference

Max power76.1 kWReference

Transmission

16-speed partial power shiftReference

20-speed partial power shiftReference

12-speed partial power shiftReference

TransmissionPower DirectorReference

Typepartial power shiftReference

Gears16 forward and 4 reverseReference

Oil capacity28.0 LReference

Four gears in two ranges (slow/fast) with two-range power shift. Power shift controlled by foot buttons.Reference

Gears20 forward and 4 reverseReference

Five gears in two ranges (slow/fast) with two-range power shift. Power shift controlled by foot buttons.Reference

TransmissionPower ShiftReference

Gears12 forward and 2 reverseReference

Six gears in two ranges. Power shift between gears in range.Reference

PTO & Hydraulics

PTO (claimed)91.7 kWReference

PTO (tested)92.4 kWReference

Typeclosed centerReference

Valves2 or 3Reference

Pump flow83.3 lpmReference

Total flow170.3 lpmReference

Steering flow36.0 lpmReference

Rear Type3/2Reference

Rear lift (at 24"/610mm)3030 kgReference

Rear PTOindependentReference

Rear PTO Type540/1000Reference

Power at rated PTO speed92.1 kWReference

Power at rated PTO speed93.6 kWReference

Dimensions

Wheelbase269 cmReference

Weight10820 to 11700 poundsReference

Front tire11.00x16Reference

Rear tire18.4x38Reference

Ag front11.00x16Reference

Ag rear18.4x38Reference

Ag front10.00x16Reference

Ag front14Lx16Reference

Ag rear24.5x32Reference

Ag rear30.5x32Reference

Ag rear20.8x34Reference

Ag rear15.5x38Reference

Ag rear16.9x38Reference

Ag rear20.8x38Reference

Length414 cmReference

Width235 cmReference

Width301 cmReference

Clearance (front axle)53 cmReference

Clearance (rear axle)71 cmReference

Rear axle92 mmReference

Rear axle95 mmReference

Shipping4907 kgReference

Operating5307 kgReference

Ballasted7080 kgReference

Steering wheel220 cmReference

Allis Chalmers 7020 attachments

front-end loaderReference

7020 Serial Numbers

Location:Above PTO shieldReference

19781317Reference

19792732Reference

19803842Reference

19814710Reference

FAQ: How to read a serial number table.Reference

Allis Chalmers 7020 Height

Hood172 cmReference

Exhaust294 cmReference

Test results

NTTL 1259: diesel Power shift 2WDReference

NTTL 1260: diesel Power Director 2WDReference

Diesel Power shift 2WDOctober 10 - 21, 1977Link: Nebraska Tractor Test 1259 fileReference

PTO performanceReference

Fuel use29.5 l/hourReference

Fuel use29.1 l/hourReference

Drawbar performanceReference

Gear 1F used for power test.Reference

Max pull5443 kgReference

Gear 2S used for pull test.Reference

Diesel Power Director 2WDOctober 10 - 21, 1977Link: Nebraska Tractor Test 1260 fileReference

Gear 4SL used for power test.Reference

Max pull5426 kgReference

Gear 2SL used for pull test.Reference

Speeds

With 18.4x38 rear tires.Reference

With 15.5x38 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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