Allis Chalmers 7020

Allis Chalmers 7020 Technical Specifications

Allis Chalmers 7020 is a Row-Crop tractor that was produced by the John Deere between 1978 – 1981.

Below you will find detailed technical specifications for Allis Chalmers 7020 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Allis Chalmers 7020 Production

Manufacturer: Allis Chalmers
Type: Row-Crop tractor
Factory: West Allis, Wisconsin, USA
Original price: $39,378

Allis Chalmers 7020 Power

Engine: 146 hp
108.9 kW
Drawbar (claimed): 106 hp
79.0 kW
PTO (claimed): 123 hp
91.7 kW
Drawbar (tested): 102.09 hp
76.1 kW
PTO (tested): 123.85 hp
92.4 kW

Allis Chalmers 7020 Mechanical

Chassis: 4×2 2WD
Final drives: inboard planetary
Steering: hydrostatic power
Brakes: differential power wet disc
Cab: Acousta cab standard with heat. Air-conditioning optional. Radio and eight-track player optional.
Transmissions: 16-speed partial power shift
  20-speed partial power shift
  12-speed partial power shift


Type: closed center
Valves: 2 or 3
Pump flow: 22 gpm
83.3 lpm
Total flow: 45 gpm
170.3 lpm
Steering flow: 9.5 gpm
36.0 lpm

Tracktor Hitch

Rear Type: 3/2
Rear lift (at 24″/610mm): 6,680 lbs
3030 kg

Power Take-off (PTO)

Rear PTO: independent
Rear RPM: 540/1000

Allis Chalmers 7020 Engine detail

Engine Detail
Allis Chalmers 649I
intercooled turbocharged diesel
liquid-cooled Inline
Displacement: 301 ci
4.9 L
Bore/Stroke: 3.875×4.25 inches
98 x 108 mm
Power: 146 hp
108.9 kW
Air cleaner: dry with pre-cleaner
Compression: 16.25:1
Rated RPM: 2300
Firing order: 1-5-3-6-2-4
Starter volts: 12
Oil capacity: 20 qts
18.9 L
Coolant capacity: 26 qts
24.6 L

Allis Chalmers 7020 Transmission overview

Engine Oil

Transmission: Power Director
Type: partial power shift
Gears: 16 forward and 4 reverse
Oil capacity: 29.6 qts
28.0 L
Four gears in two ranges (slow/fast) with two-range power shift. Power shift controlled by foot buttons.

Allis Chalmers 7020 Dimensions

Wheelbase: 106 inches
269 cm
Length: 163 inches
414 cm
Width: 92.6 inches
235 cm
  118.7 inches
301 cm (optional long axle)
Ground clearance: 21 inches
53 cm (front axle)
  28 inches
71 cm (rear axle)
Rear axle: 3.625 inch diameter
92 mm

Allis Chalmers 7020 Weight
Shipping: 10,820 lbs
4907 kg
Operating: 11,700 lbs
5307 kg
Ballasted: 15,610 lbs
7080 kg

Allis Chalmers 7020 Height
Steering wheel: 87 inches
220 cm
Hood: 68 inches
172 cm
Exhaust: 116 inches
294 cm

Allis Chalmers 7020 Tests

Nebraska Tractor Test 1259

Nebraska Tractor Test 1259
Diesel Power shift 2WD
October 10 – 21, 1977
Link: Nebraska Tractor Test 1259 file
PTO performance
Power at rated engine speed: 123.79 hp
92.3 kW
Fuel use: 7.8 gal/hour
29.5 l/hour
Power at rated PTO speed: 123.50 hp
92.1 kW
Fuel use: 7.7 gal/hour
29.1 l/hour
Drawbar performance
Max power: 101.89 hp
76.0 kW
Fuel use: 7.8 gal/hour
29.5 l/hour
Gear 1F used for power test.
Max pull: 12,001 lbs
5443 kg
Gear 2S used for pull test.

Nebraska Tractor Test 1260

Nebraska Tractor Test 1260
Diesel Power Director 2WD
October 10 – 21, 1977
Link: Nebraska Tractor Test 1260 file
PTO performance
Power at rated engine speed: 123.85 hp
92.4 kW
Fuel use: 7.8 gal/hour
29.5 l/hour
Power at rated PTO speed: 125.51 hp
93.6 kW
Fuel use: 7.8 gal/hour
29.5 l/hour
Drawbar performance
Max power: 102.09 hp
76.1 kW
Fuel use: 7.8 gal/hour
29.5 l/hour
Gear 4SL used for power test.
Max pull: 11,964 lbs
5426 kg
Gear 2SL used for pull test.


Is Allis Chalmers 7020 a good tractor?

The Allis Chalmers 7020 is one of the great tractors in the Allis Chalmers stable, and it has earned Allis Chalmers a fantastic reputation.

How much oil does a Allis Chalmers 7020 take?

Check out the Allis Chalmers 7020 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Allis Chalmers made the 7010

The Allis Chalmers 7020 was an agricultural tractor model made from 1978 – 1981

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