Technical specifications of the agricultural tractor John Deere 2250/2450/2650/2850:
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| Model | John Deere 2250 | John Deere 2450 | John Deere 2650 | John Deere 2850 |
| Years of production | 86-94 | 86-94 | 86-94 | 86-94 |
| Engine model / type | 4239DL | 4239DL | 4239TL | 4239TL |
| Number of cylinders / turbocharging | 4 | 4 | 4T | 4T |
| Engine displacement (cm3) | 3920 | 3920 | 3920 | 3920 |
| Piston dimension / stroke (mm) | 106,5×110 | 106,5×110 | 106,5×110 | 106,5×110 |
| Maximum engine power (hp) / rpm | 62/2300 | 70/2300 | 78/2300 | 86/2300 |
| Torque (Nm) / rpm | 230/1400 | 255/1400 | 285/1500 | 315/1500 |
| Number of gears (front + rear) | 8+4/16+8 | 8+4/16+8 | 8+4/16+8 | 8+4/16+8 |
| Number of synchronized gears (front+rear) | 8+4/16+8 | 8+4/16+8 | 8+4/16+8 | 8+4/16+8 |
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| Speed-Shift | – | – | – | – |
| Type of reverse | – | – | – | – |
| Driving speed (km/h) | 2,4-38,0 | 2,4-38,2 | 2,5-39,1 | 2,5-39,1 |
| Max Driving speed (km/h) | 30/40 | 30/40 | 30/40 | 30/40 |
| Hydraulic pump capacity (L/min) | 44 | 44 | 44 | 44 |
| 3-Point Hitch control | mech | mech | mech | mech |
| 3-point hitch max load (kg) | 3070 | 3070 | 3560 | 3560/3920 |
| PTO speed (rpm) | 540/1000 | 540/1000 | 540/1000 | 540/1000 |
| Disc brake type (dry / wet) | – | – | – | – |
| Type of control of the braking system | – | – | – | – |
| Turning radius 2WD (m) | 7,3 | 7,3 | 7,6 | 7,6 |
| Turning radius 4WD (m) | 8,2 | 8,2 | 8,4 | 8,4 |
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| Front wheel 2WD | 10,00-16 | 10,00-16 | 10,00-16 | 10,00-16 |
| Front wheel 4WD | 11,2-28 | 13,6-24 | 13,6-24 | 13,6-24 |
| Rear wheel 2WD | 13,6-38 | 16,9-34 | 16,9-34 | 16,9-34 |
| Rear wheel 4WD | 13,6-38 | 16,9-34 | 16,9-34 | 16,9-34 |
| 2WD total weight (kg) | 3270 | 3210/3395 | 3360/3490 | 3450/3580 |
| 4WD total weight (kg) | 3440 | 3510/3700 | 3660/3800 | 3750/3890 |
| Total height with cabin (cm) | 255/250 | 255/270 | 255/270 | 258/273 |
| Total length (cm) | 419 | 419 | 419 | 424 |
| Total width (cm) | 227/229 | 227/229 | 227/229 | 227/229 |
| Fuel tank capacity (l) | 84 | 84 | 84 | 84 |
| Cabin sound level (dB) | 84/78,5 | 85/78 | 85/79,5 | 85/79,5 |
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