Technical Specifications of the John Deere 4050 Tractor:
John Deere 4050, produced between 1983 and 1988, is equipped with a six-cylinder 6466T engine with a displacement of 7,640 cm³ and a turbocharger. The engine delivers a maximum power of 128 HP at 2,200 RPM and a torque of 522 Nm at 1,500 RPM. The Powershift transmission offers 15 forward and 4 reverse gears, allowing travel speeds from 2.3 to 31.3 km/h. The hydraulic system has a capacity of 105 L/min and supports a mechanically controlled rear hitch with a maximum lifting capacity ranging from 5,560 to 5,830 kg. The power take-off (PTO) operates at 540 and 1,000 RPM. The turning radius for the 4WD version is 9.8 m, and tire sizes are 16.9R28 in the front and 20.8R38 in the rear. The tractor weighs 6,343 kg, with dimensions of 487 cm in length, 268 cm in width, and 301 cm in height with the cab. The fuel tank capacity is 246 liters, and the cabin noise level is 76 dB.
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Technical Data Sheet for John Deere 4050, 4250, 4350, 4450, 4650, and 4850 tractors:
| Model | John Deere 4050 | John Deere 4250 | John Deere 4350 | John Deere 4450 | John Deere 4650 | John Deere 4850 |
|---|---|---|---|---|---|---|
| Years of production | 83-88 | 83-88 | 85-93 | 83-88 | 83-88 | 83-88 |
| Engine designation/type | 6466T | 6466T | 6466T | 6466T | 6466A | 6466A |
| Number of cylinders / Turbo / Intercooler | 6T | 6T | 6T | 6T | 6TI | 6TI |
| Engine displacement (cm³) | 7640 | 7640 | 7640 | 7640 | 7640 | 7640 |
| Piston diameter / Stroke (mm) | 115,8,5×120,6 | 115,8,5×120,6 | 115,8,5×120,6 | 115,8,5×120,6 | 115,8,5×120,6/td> | 115,8,5×120,6 |
| Maximum engine power (HP) / at RPM | 128/2200 | 144/2200 | 138/2200 | 160/2200 | 190/2200 | 215/2200 |
| Torque (Nm) / at RPM | 522/1500 | 601/1500 | 600/1400 | 650/1440 | 775/1460 | 875/1540 |
| Number of gearbox speeds (forward + reverse) | 15+4 | 15+4 | 16+6 | 15+4 | 15+4 | 15+4 |
| Number of synchronized gears (forward + reverse) | powershift | powershift | powershift | powershift | powershift | powershift |
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| Fast gearbox / Power shift | powershift | powershift | powershift | powershift | powershift | powershift |
|---|---|---|---|---|---|---|
| Reverser type | – | – | – | – | – | – |
| Speed range (km/h) | 2,3-31,3 | 2,2-30,3 | 3,3-29,0 | 2,2-29,9 | 2,3-30,9 | 2,3-30,9 |
| Maximum speed (km/h) | – | – | – | – | – | – |
| Hydraulic pump capacity (L/min) | 105 | 105 | 96 | 105 | 126 | 126 |
| Rear three-point hitch (TUV) control type | mech | mech | mech | mech | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 5560/5830 | 5560/5830 | 6025 | 5560/6126 | 7290/8390 | 7290/8390 |
| Power take-off (PTO) speed (RPM) | 540/1000 | 540/1000 | 540/1000 | 540/1000 | 1000 | 1000 |
| Type of disc brake (dry/wet) | – | – | – | – | – | – |
| Brake system control type | hydr | hydr | hydr | hydr | hydr | hydr |
| Turning radius 2WD (m) | – | – | – | – | – | – |
| Turning radius 4WD (m) | 9,8 | 9,8 | 9,8 | 9,8 | 10,8 | 10,8 |
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| Front tire size 2WD | – | – | – | – | – | – |
|---|---|---|---|---|---|---|
| Front tire size 4WD | 16,9R28 | 16,9R28 | 14,9R28 | 16,9-28 | 16,9-30 | 16,9-30 |
| Rear tire size 2WD | – | – | – | – | – | – |
| Rear tire size 4WD | 20,8R38 | 20,8R38 | 18,4R38 | 20,8-38 | 20,8-42 | 20,8-42 |
| Total weight 2WD (kg) | – | – | – | – | – | – |
| Total weight 4WD (kg) | 6343 | 6473 | 6390 | 6820 | 8224 | 8349 |
| Total height with cabin (cm) | 301 | 301 | 291 | 299 | 307 | 307 |
| Total length (cm) | 487 | 487 | 467 | 487 | 542 | 542 |
| Total width (cm) | 268 | 268 | 268 | 268 | 297 | 297 |
| Fuel tank capacity (L) | 246 | 246 | 174 | 246 | 386 | 386 |
| Cabin noise level (dB) | 76 | 76 | 80 | 76 | 79 | 80 |
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