Technical Specifications of the Valmet 502 Agricultural Tractor:
Valmet 502 Agricultural Tractor was manufactured between 1977 and 1982. It is equipped with a 310 B engine with a displacement of 2,685 cm³, a three-cylinder naturally aspirated engine without a turbocharger or intercooler. The cylinder bore is 100 mm, and the piston stroke is 114 mm. The engine delivers a maximum power of 49 HP at 2,300 rpm, with a torque of 170 Nm at 1,300 rpm. The transmission features 6 forward gears and 2 reverse gears, with 4 synchronized gears. The speed range is from 3.6 to 29.0 km/h, with a top speed of 30.9 km/h. The hydraulic system has a capacity of 27 L/min and mechanical control for the rear lift, with a maximum lifting capacity of 1,700 kg or optionally 1,900 kg. The power take-off (PTO) operates at 540 rpm. The turning radius in the 2WD version is 7 m. The tractor comes with 7.50-16 front tires and 14.9-30 rear tires. The total weight of the 2WD version is 2,650 kg. The total height with the cab is 244 cm, the length is 346 cm, and the width is 211 cm. The fuel tank capacity is 65 liters, and the cabin noise level is 84.5 dB.
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Technical Data Sheet for Valmet 502, 602, 602 Turbo Agricultural tractors:
| Model | Valmet 502 | Valmet 602 | Valmet 602 Turbo |
|---|---|---|---|
| Years of production | 1977-82 | 1978-82 | 1980-82 |
| Engine designation/type | 310 B | 311 C | 311 CS |
| Number of cylinders / Turbo / Intercooler | 3 | 3 | 3T |
| Engine displacement (cm³) | 2685 | 3300 | 3300 |
| Piston diameter / Stroke (mm) | 100×114 | 108×120 | 108×120 |
| Maximum engine power (HP) / at RPM | 49/2300 | 58/2100 | 66/2300 |
| Torque (Nm) / at RPM | 170/1300 | 210/1300 | 235/1450 |
| Number of gearbox speeds (forward + reverse) | 6+2 | 6+2 | 6+2 |
| Number of synchronized gears (forward + reverse) | 4 | 4 | 4 |
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| Fast gearbox / Power shift | – | – | – |
|---|---|---|---|
| Reverser type | – | – | – |
| Speed range (km/h) | 3,6-29,0 | 3,6-31,8 | 3,6-31,8 |
| Maximum speed (km/h) | 30,9 | 33,9 | 33,9 |
| Hydraulic pump capacity (L/min) | 27 | 27 | 27 |
| Rear three-point hitch (TUV) control type | mech | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 1700/1900 | 1700/1900 | 1900 |
| Power take-off (PTO) speed (RPM) | 540 | 540 | 540 |
| Type of disc brake (dry/wet) | – | – | – |
| Brake system control type | – | – | – |
| Turning radius 2WD (m) | 7 | 7 | 7 |
| Turning radius 4WD (m) | – | – | – |
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| Front tire size 2WD | 7,50-16 | 7,50-16 | 7,50-16 |
|---|---|---|---|
| Front tire size 4WD | – | – | – |
| Rear tire size 2WD | 14,9-30 | 13,6-36 | 13,6-36 |
| Rear tire size 4WD | – | – | – |
| Total weight 2WD (kg) | 2650 | 2750 | 2820 |
| Total weight 4WD (kg) | – | – | – |
| Total height with cabin (cm) | 244 | 250 | 250 |
| Total length (cm) | 346 | 350/368 | 350/368 |
| Total width (cm) | 211 | 211/218 | 211/218 |
| Fuel tank capacity (L) | 65 | 65/60 | 65/60 |
| Cabin noise level (dB) | 84,5 | 84,5 | 85 |
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