Technical Specifications of the John Deere 4020 Agricultural Tractor:
The John Deere 4020 Agricultural Tractor was produced from 1965 to 1972. It features a six-cylinder engine with a displacement of 6637 cm³. It delivers a maximum output of 100 HP at 2500 rpm and a torque of 353 Nm at 1100 rpm. The transmission offers 8 forward and 2 reverse gears or, optionally, 8 forward and 4 reverse gears with the Powershift function, allowing for travel speeds from 3.3 to 31 km/h and a maximum speed of 32.2 km/h. The hydraulic system has a flow rate of 76 L/min and operates a mechanically controlled rear lift with a maximum lifting capacity of 2700 kg. The PTO operates at speeds of 540 and 1000 rpm. The turning radius in the 2WD version is 7.78 m, and the tire sizes are 7.50-18 in the front and 18.4-34 in the rear. The tractor weighs 4600 kg, with dimensions of 381 cm in length, 248 cm in width, and 199 cm in height with a cab. The fuel tank capacity is 128 liters, and the noise level inside the cabin is 93 dB.
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Technical Data Sheet for John Deere 4020, 4520, 4620, 5020 tractors:
| Model | John Deere 4020 | John Deere 4520 | John Deere 4620 | John Deere 5020 |
|---|---|---|---|---|
| Years of production | 65-72 | 68-72 | 71-72 | 66-72 |
| Engine designation/type | – | – | – | – |
| Number of cylinders / Turbo / Intercooler | 6 | 6T | 6TI | 6 |
| Engine displacement (cm³) | 6637 | 6637 | 6637 | 8698 |
| Piston diameter / Stroke (mm) | 108×120 | 108×120 | 108×120 | 120×127 |
| Maximum engine power (HP) / at RPM | 100/2500 | 120/2200 | 135/2200 | 136/2500 |
| Torque (Nm) / at RPM | 353/1100 | – | – | – |
| Number of gearbox speeds (forward + reverse) | 8+2/8+4 | 8+4 | 8+2/8+4 | 8+2 |
| Number of synchronized gears (forward + reverse) | 8+2/8+4 | 8+4 | 8+2/8+4 | 8+2 |
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| Fast gearbox / Power shift | powershift | powershift | powershift | – |
|---|---|---|---|---|
| Reverser type | – | – | – | – |
| Speed range (km/h) | 3,3-31,0 | 3,3-34,3 | 2,8-29,7 | 2,1-32,7 |
| Maximum speed (km/h) | 32,2 | 33,8 | – | – |
| Hydraulic pump capacity (L/min) | 76 | – | – | – |
| Rear three-point hitch (TUV) control type | mech | mech | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 2700 | – | – | – |
| Power take-off (PTO) speed (RPM) | 540/1000 | 540/1000 | 1000 | 1000 |
| Type of disc brake (dry/wet) | – | – | – | – |
| Brake system control type | hydr | hydr | hydr | hydr |
| Turning radius 2WD (m) | 7,78 | 7,67 | 9,18 | – |
| Turning radius 4WD (m) | – | – | – | – |
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| Front tire size 2WD | 7,50-18 | 9,50-20 | 11,00-16 | 11,00-16 |
|---|---|---|---|---|
| Front tire size 4WD | – | – | – | – |
| Rear tire size 2WD | 18,4-34 | 18,4-38 | 18,4-38 | 24,5-32 |
| Rear tire size 4WD | – | – | – | – |
| Total weight 2WD (kg) | 4600 | 5572 | 5900 | 7761 |
| Total weight 4WD (kg) | – | – | – | – |
| Total height with cabin (cm) | 199 | 269 | 269 | 246 |
| Total length (cm) | 381 | 434 | 434 | 438 |
| Total width (cm) | 248 | 270 | 270 | 264 |
| Fuel tank capacity (L) | 128 | 189 | 189 | 257 |
| Cabin noise level (dB) | 93 | – | – | – |
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