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Siirry sivupalkkiinSiirry alaosaanJohn Deere 2250-2850








In the autumn of 1986, the 50 series replaced the earlier 40 series models. There were now two turbo models: the 2650 had less power and the 2850 had more than the previous 2140. Engine speeds were reduced to improve fuel economy. Hydraulic output had slightly decreased compared to their predecessors. The hydraulics, which had been top of the line a couple of model generations earlier, had become modest in power compared to competitors. However, no one else still offered a closed hydraulic system in this power class. Top speeds had been raised to forty (km/h) in the four-wheel-drive models. A front disc brake was integrated into the four-wheel-drive system.
In the SG2 cab, the seat could be rotated 30 degrees. Alongside the SG2 cab, a cheaper MC1 (pictured below) was introduced, which was replaced in spring 1991 by a slightly improved CC2. In the CC2, the gear levers were moved to the side and ventilation was enhanced with a separate fresh air fan. At the same time, a parallel model of the 2850 was introduced, featuring a reinforced rear section and greater lifting capacity.
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| Model | John Deere 2250 | John Deere 2450 | John Deere 2650 | John Deere 2850 |
|---|---|---|---|---|
| Manufacturer name | John Deere | John Deere | John Deere | John Deere |
| Imported to Finland | Yes | Yes | Yes | Yes |
| Years | 1986-94 | 1986-94 | 1986-94 | 1986-94 |
| Engine model | 4239DL | 4239DL | 4239TL | 4239TL |
| Cyl/Turbo/Intercooler | 4 | 4 | 4T | 4T |
| Displacement | 3920 cm³ | 3920 cm³ | 3920 cm³ | 3920 cm³ |
| Bore x stroke | 106,5×110 mm | 106,5×110 mm | 106,5×110 mm | 106,5×110 mm |
| Rated power | 62/2300 hp DIN/rpm | 70/2300 hp DIN/rpm | 78/2300 hp DIN/rpm | 86/2300 hp DIN/rpm |
| Torque | - | - | - | - |
| Gears | 8+4/16+8 | 8+4/16+8 | 8+4/16+8 | 8+4/16+8 |
| Synchronized gears | 8+4/16+8 | 8+4/16+8 | 8+4/16+8 | 8+4/16+8 |
| Powershift gears | opt. | opt. | opt. | opt. |
| Speeds in km/h | 2,4-38,0 | 2,4-38,2 | 2,5-39,1 | 2,5-39,1 |
| Max. speed | (2WD: 30) km/h | (2WD: 30) km/h | (2WD: 30) km/h | (2WD: 30) km/h |
| Hydr. flow l/min | 44 l/min | 44 l/min | 44 l/min | 44 l/min |
| Hydraulic pressure | 190 bar | 190 bar | 190 bar | 190 bar |
| Lift controls | mech. | mech. | mech. | mech. |
| Lift capacity | 3070 kg | 3070 kg | 3560 kg | 3560 (3920) kg |
| PTO speeds | 540 (1000) | 540 (1000) | 540 (1000) | 540/1000 |
| Brakes | wet disc | wet disc | wet disc | wet disc |
| Steering | 4WD hydrost. | 4WD hydrost. | 4WD hydrost. | 4WD hydrost. |
| Turning circle m 2WD | 7.3 | 7.3 | 7.6 | 7.6 |
| Turning circle m 4WD | 8.2 | 8.2 | 8.4 | 8.4 |
| Front tyres 2WD | 10,00-16 | 10,00-16 | 10,00-16 | 10,00-16 |
| Front tyres 4WD | 11.2-28 | 13.6-24 | 13.6-24 | 13.6-24 |
| Rear tyres 2WD | 13,6-38 | 16,9-34 | 16,9-34 | 16,9-34 |
| Rear tyres 4WD | 13.6-38 | 16.9-34 | 16.9-34 | 16.9-34 |
| Weight 2WD | 3270 kg | 3210/3395 kg | 3360/3490 kg | 3450/3580 kg |
| Weight 4WD | 3440 kg | 3510/3700 kg | 3660/3800 kg | 3750/3890 kg |
| Height with cab | 255-250 cm | 255/270 cm | 255/270 cm | 258/273 cm |
| Length (2WD/4WD) | 419 cm | 419 cm | 419 cm | 424 cm |
| Wheelbase (2WD/4WD) | 227/229 cm | 227/229 cm | 227/229 cm | 227/229 cm |
| Fuel tank | 84 l | 84 l | 84 l | 84 l |
| Cab noise level | 84/78,5 dB | 85/78 dB | 85/79,5 dB | 85/79,5 dB |
| Solid cab | x | x | x | x |
| Diff. lock | friction lock | friction lock | friction lock | friction lock |
| Creeper gear | opt. | opt. | opt. | opt. |
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