Tractor · 1978Unverified
Allis Chalmers 7020
Allis Chalmers 7020 — Row-Crop tractor · 124 hp. Reference specifications; pending source verification.
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
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.