Technical Specifications of the Valmet Mega 8300 Agricultural Tractor:
The Valmet Mega 8300 agricultural tractor was produced between 1990 and 1992. It is equipped with a 612D engine with a displacement of 7,368 cm³, featuring six cylinders, naturally aspirated, without a turbocharger or intercooler. The cylinder bore is 108 mm, and the piston stroke is 134 mm. The engine delivers a maximum power output of 140 HP at 2,200 RPM, with a torque of 520 Nm at 1,400 RPM. The transmission offers 16 forward gears and 16 reverse gears, all synchronized, with a hydraulic fast shift and mechanical shuttle. The speed range is from 2.9 to 38.4 km/h, with a maximum speed of 40 km/h. The hydraulic system has a flow rate of 60 L/min, with electronic control for the rear lift, which has a maximum lifting capacity of 7,800 kg. The power take-off (PTO) operates at speeds of 540 and 1,000 RPM. The turning radius for the 4WD version is 10.4 meters. The tractor is equipped with front tires sized 16.9R28 and rear tires 20.8R38. The total weight of the 4WD model is 5,980 kg. The overall height with a cab is 290 cm, length is 559 cm, and width is 293 cm. The fuel tank capacity is 250 liters, and the cabin noise level is measured at 79 dB.
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Technical Data Sheet for Valmet Mega 8300, 8600, 8800, and 8850 tractors:
| Model | Valmet Mega 8300 | Valmet Mega 8600 | Valmet Mega 8800 | Valmet Mega 8850 |
|---|---|---|---|---|
| Years of production | 1990-92 | 1990-94 | 1994-96 | 1997-98 |
| Engine designation/type | 612D | 612DS | 634DS | 634DS |
| Number of cylinders / Turbo / Intercooler | 6 | 6T | 6T | 6T |
| Engine displacement (cm³) | 7368 | 7368 | 7368 | 7368 |
| Piston diameter / Stroke (mm) | 108×134 | 108×134 | 108×134 | 108×134 |
| Maximum engine power (HP) / at RPM | 140/2200 | 170/2200 | 190/2200 | 200/2200 |
| Torque (Nm) / at RPM | 520/1400 | 690/1400 | 750/1400 | 810/1400 |
| Number of gearbox speeds (forward + reverse) | 16+16 | 16+16 | 32+32 | 32+32 |
| Number of synchronized gears (forward + reverse) | 16+16 | 16+16 | 32+32 | 32+32 |
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| Fast gearbox / Power shift | hydr | hydr | 4 | 4 |
|---|---|---|---|---|
| Reverser type | mech | mech | mech | mech |
| Speed range (km/h) | 2,9-38,4 | 4,1-36,9 | 2,5-39,7 | – |
| Maximum speed (km/h) | 40 | 40 | 40 | 40 |
| Hydraulic pump capacity (L/min) | 60 | 60 | 54 | 110 |
| Rear three-point hitch (TUV) control type | ehr | ehr | ehr | ehr |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 7800 | 7800 | 7800 | 7800 |
| Power take-off (PTO) speed (RPM) | 540/1000 | 540/1000 | 1000 | 1000 |
| Type of disc brake (dry/wet) | – | – | – | – |
| Brake system control type | – | – | – | – |
| Turning radius 2WD (m) | – | – | – | – |
| Turning radius 4WD (m) | 10,4 | 10,4 | 10,4 | 11,3 |
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| Front tire size 2WD | – | – | – | – |
|---|---|---|---|---|
| Front tire size 4WD | 16.9R28 | 16.9R28 | 16.9R30 | 16.9R30 |
| Rear tire size 2WD | – | – | – | – |
| Rear tire size 4WD | 20.8R38 | 20.8R38 | 20.8R42 | 20.8R42 |
| Total weight 2WD (kg) | – | – | – | – |
| Total weight 4WD (kg) | 5980 | 6020 | 6500 | 7560 |
| Total height with cabin (cm) | 290 | 290 | 298 | 302 |
| Total length (cm) | 559 | 559 | 560 | 547 |
| Total width (cm) | 293 | 293 | 293 | 293 |
| Fuel tank capacity (L) | 250 | 250 | 250 | 270 |
| Cabin noise level (dB) | 79 | 77 | 76 | 74 |
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