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| info | |
| 1978 - 1981, Row-Crop tractor | |
| Next model: | Allis Chalmers 8030 |
| Series next: | Allis Chalmers 7045 |
| Series back: | Allis Chalmers 7010 |
| Production | |
| Manufacturer: | Allis Chalmers |
| Factory: | West Allis, Wisconsin, USA |
| Original price (USD): | $39,378 |
| Capacity | |
| Fuel: | 51 gal [193.0 L], 13 gal [49.2 L] (optional auxiliary tank) |
| 3-Point 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 |
| Dimensions & Tires | |
| Wheelbase: | 106 inches [269 cm] |
| Weight: | 10820 to 15610 pounds |
| Front tire: | 11.00x16 |
| Rear tire: | 18.4x38 |
| 7020 Serial Numbers | |
| Location: | Above PTO shield |
| 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] |
| Mechanical | |
| Chassis: | 4x2 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. |
| Hydraulics | |
| 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] |
| Battery | |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 3.875x4.25 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] |
| Engine Detail | |
| Allis Chalmers 649I, intercooled turbocharged diesel, 6-cylinder, liquid-cooled Inline, 301 ci [4.9 L] |
| info | |
| Speeds: | With 18.4x38 rear tires. |
| Transmission | |
| 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. | |
| info | |
| Next model: | Allis Chalmers 8030 |
| Series next: | Allis Chalmers 7045 |
| Series back: | Allis Chalmers 7010 |
| Dimensions | |
| Weight (shipping): | 10,820 lbs [4907 kg] |
| Weight (operating): | 11,700 lbs [5307 kg] |
| Weight (ballasted): | 15,610 lbs [7080 kg] |
| Wheelbase: | 106 inches [269 cm] |
| Length: | 163 inches [414 cm] |
| Width: | 92.6 inches [235 cm], 118.7 inches [301 cm] (optional long axle) |
| Height (steering wheel): | 87 inches [220 cm] |
| Height (hood): | 68 inches [172 cm] |
| Height (exhaust): | 116 inches [294 cm] |
| 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 Tires | |
| Ag front: | 10.00x16, 14Lx16 |
| Ag rear: | 24.5x32, 30.5x32, 20.8x34, 15.5x38, 16.9x38, 18.4x38, 20.8x38 |