Technical Specifications of the Ursus 2812 agricultural tractor:
Ursus 2812 has been produced since 1984 and is equipped with a 3250 engine. This engine has three cylinders, a displacement of 2502 cm³, and piston dimensions of 91.44×127 mm. The engine delivers a maximum power of 38 HP at 2000 RPM and a torque of 132 Nm at 1300 RPM. The tractor has a gearbox with 8 forward gears and 2 reverse gears, allowing speeds from 2.4 to 25.8 km/h. The hydraulic pump capacity is 15 liters per minute. The rear hitch is mechanically controlled and has a maximum lifting capacity of 1330 kg. The power take-off (PTO) operates at a speed of 540 RPM. The disc brakes are of the wet type, and the braking system is hydraulically controlled. The turning radius for the 2WD version is 7.7 meters, and for the 4WD version, it is 9 meters. The front tire size for the 2WD version is 6.00-16, and for the 4WD version, it is 11.2-24. The rear tire sizes are 12.4-32 for the 2WD version and 16.9-30 for the 4WD version. The total weight of the Ursus 2812 in the 2WD version is 2060 kg, and in the 4WD version, it is 3280 kg. The height with the cab is 224 cm, the length is 326 cm, and the width is 193 cm. The fuel tank capacity is 58 liters, and the noise level in the cab is 85 dB.
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Technical Data Sheet for Ursus 4514, 2812, 3512, 4512 agricultural tractors:
| Model | Ursus 2812 | Ursus 3512 | Ursus 4512 | Ursus 4514 | Ursus 4514 DL |
|---|---|---|---|---|---|
| Years of production | 84- | 84- | 88- | 88- | 92-98 |
| Engine designation/type | 3250 | 3250 | 4390 | 4390 | 4390 |
| Number of cylinders / Turbo / Intercooler | 3 | 3 | 4 | 4 | 4 |
| Engine displacement (cm³) | 2502 | 2502 | 3865 | 3865 | 3865 |
| Piston diameter / Stroke (mm) | 91,44×127 | 91,44×127 | 98,4×127 | 98,4×127 | 98,4×127 |
| Maximum engine power (HP) / at RPM | 38/2000 | 47/2250 | 60/2000 | 66/2000 | 72/2200 |
| Torque (Nm) / at RPM | 132/1300 | 165/1300 | 232/1300 | 245/1400 | 261/1400 |
| Number of gearbox speeds (forward + reverse) | 8+2 | 8+2 | 8+2 | 8+2 | 8+2 |
| Number of synchronized gears (forward + reverse) | – | – | – | – | – |
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| Fast gearbox / Power shift | – | – | – | – | – |
|---|---|---|---|---|---|
| Reverser type | – | – | – | – | – |
| Speed range (km/h) | 2,4-25,8 | 2,3-24,4 | 2,6-28,2 | 2,5-33,6 | 2,5-33,3 |
| Maximum speed (km/h) | 36,9 | 36,9 | – | – | – |
| Hydraulic pump capacity (L/min) | 15 | 17 | 26 | 26 | 26 |
| Rear three-point hitch (TUV) control type | mech | mech | mech | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 1330 | 1330 | 1900 | 1900 | 2200 |
| Power take-off (PTO) speed (RPM) | 540 | 540 | 540 | 540/1000 | 540/1000 |
| Type of disc brake (dry/wet) | mokry | mokry | mokry | mokry | mokry |
| Brake system control type | hydr | hydr | hydr | hydr | hydr |
| Turning radius 2WD (m) | 7,7 | – | – | – | – |
| Turning radius 4WD (m) | 9 | 9 | – | – | – |
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| Front tire size 2WD | 6,00-16 | 7,50-16 | 7,50-16 | – | – |
|---|---|---|---|---|---|
| Front tire size 4WD | 11,2-24 | 12,4-24 | – | – | – |
| Rear tire size 2WD | 12,4-32 | 12,4-32 | 13,6-36 | – | – |
| Rear tire size 4WD | 16,9-30 | 16,9-34 | – | – | – |
| Total weight 2WD (kg) | 2060 | 2520 | 2980 | – | – |
| Total weight 4WD (kg) | 3280 | 3405 | – | – | – |
| Total height with cabin (cm) | 224 | 230 | 253 | 258 | 258 |
| Total length (cm) | 326 | 340 | 378 | 378 | 378 |
| Total width (cm) | 193 | 208 | 222 | 230 | 230 |
| Fuel tank capacity (L) | 58 | 58 | 80 | 80 | 80 |
| Cabin noise level (dB) | 85 | 85 | 85 | – | – |
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