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Siirry sivupalkkiinSiirry alaosaanJohn Deere 7020-7520

Manufacturer
Models
John Deere 7020, John Deere 7520
Years
1970-75
Info
In the early 1970s the 7020 and 7520—introduced then—were John Deere’s first in-house frame-steered tractors since the early ’60s. Their narrow design provided excellent visibility and a tight turning radius. Unlike other large tractors of the era, these JDs were equipped with a power take-off. Both models had turbocharged, intercooled engines: the 7020 displacing 6.6 litres and the 7520 8.7 litres. A shuttle gearbox offered 16 forward and 4 reverse gears. The cab was still fairly basic and the clutch was dry.
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Technical data
| Model | John Deere 7020 | John Deere 7520 |
|---|---|---|
| Manufacturer name | John Deere | John Deere |
| Imported to Finland | No | No |
| Years | 1970-75 | 1971-75 |
| Cyl/Turbo/Intercooler | 6TI | 6TI |
| Displacement | 6620 cm³ | 8698 cm³ |
| Bore x stroke | 108×120,7 mm | 120,7×127 mm |
| Rated power | 175 (146 PTO)/2200 hp DIN/rpm | 175 PTO/2100 hp DIN/rpm |
| Gears | 16+4 | 16+4 |
| Synchronized gears | 16+4 | 16+4 |
| Powershift gears | 2-step | 2-step |
| Speeds in km/h | 3,6-34,3 | 3,3-36,0 |
| Max. speed | 38.8 km/h | 42.8 km/h |
| Hydr. flow l/min | 83.3 l/min | - |
| Lift controls | mech. | mech. |
| PTO speeds | 1000 | 1000 |
| Brakes | wet disc | wet disc |
| Steering | hydrost. | hydrost. |
| Turning circle m 4WD | 10.6 | 11.16 |
| Front tyres 4WD | 18.4-34 | 23.1-30 |
| Rear tyres 4WD | 18.4-34 | 23.1-30 |
| Weight 4WD | 6577 kg | 7616 kg |
| Height with cab | 297 cm | 312 cm |
| Length (2WD/4WD) | 550 cm | 559 cm |
| Wheelbase (2WD/4WD) | 305 cm | 318 cm |
| Fuel tank | 591 l | 591 l |
| Cab noise level | 98 dB | 87.5 dB |
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