Technical Specifications of the Valmet 702 Agricultural Tractor:
The Valmet 702 agricultural tractor was produced between 1974 and 1979. It is equipped with a 411 B engine with a displacement of 4,180 cm³, featuring four cylinders, naturally aspirated, without a turbocharger or intercooler. The cylinder bore is 108 mm, and the piston stroke is 114 mm. The engine delivers a maximum power output of 76 HP at 2,200 RPM, with a torque of 284 Nm at 1,180 RPM. The transmission offers 8 forward gears and 2 reverse gears, or optionally 16 forward and 4 reverse gears, all synchronized. The speed range is from 3.1 to 30.9 km/h. The hydraulic system has a flow rate of 26 L/min, with mechanical control for the rear lift, which has a maximum lifting capacity of 2,120 kg. The power take-off (PTO) operates at 540 RPM. The turning radius for the 2WD version is 7.6 meters, while the 4WD version has a turning radius of 10.8 meters. The 2WD model is equipped with front tires sized 7.50-18 and rear tires 13.6-38, whereas the 4WD version comes with front tires 13.6-28 and rear tires 18.4-34. The total weight of the 2WD model is 3,375 kg, while the 4WD version weighs 4,040 kg. The overall height with a cab is either 265 cm or 263 cm, depending on the version, with a length of 412 cm and a width of either 224 cm or 245 cm. The fuel tank capacity is 68 liters, and the cabin noise level is measured at 85 dB.
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Technical Data Sheet for Valmet 702, 702 S, and 1102 tractors:
| Model | Valmet 702 | Valmet 702 S | Valmet 1102 |
|---|---|---|---|
| Years of production | 1974-79 | 1974-79 | 1973-79 |
| Engine designation/type | 411 B | 411 BS | 411 BS |
| Number of cylinders / Turbo / Intercooler | 4 | 4T | 4T |
| Engine displacement (cm³) | 4180 | 4180 | 4180 |
| Piston diameter / Stroke (mm) | 108×114 | 108×114 | 108×114 |
| Maximum engine power (HP) / at RPM | 76/2200 | 91/2200 | 102/2300 |
| Torque (Nm) / at RPM | 284/1180 | 309/1500 | 353/1500 |
| Number of gearbox speeds (forward + reverse) | 8+2/16+4 | 8+2/16+4 | 8+2/16+4 |
| Number of synchronized gears (forward + reverse) | 8+2/16+4 | 8+2/16+4 | 8+2/16+4 |
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| Fast gearbox / Power shift | – | – | – |
|---|---|---|---|
| Reverser type | – | – | – |
| Speed range (km/h) | 3,1-30,9 | 3,1-30,9 | 3,2-31,3 |
| Maximum speed (km/h) | – | – | – |
| Hydraulic pump capacity (L/min) | 26 | 26 | 36 |
| Rear three-point hitch (TUV) control type | mech | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 2120 | 2120 | 3000 |
| Power take-off (PTO) speed (RPM) | 540 | 540 | 540/1000 |
| Type of disc brake (dry/wet) | – | – | – |
| Brake system control type | – | – | – |
| Turning radius 2WD (m) | 7,6 | 7,6 | 7,6 |
| Turning radius 4WD (m) | 10,8 | 10,8 | – |
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| Front tire size 2WD | 7,50-18 | 7,50-18 | 9,00-20 |
|---|---|---|---|
| Front tire size 4WD | 13,6-28 | 14,9-24 | – |
| Rear tire size 2WD | 13,6-38 | 16,9-34 | 18,4-34 |
| Rear tire size 4WD | 18,4-34 | 18,4-34 | – |
| Total weight 2WD (kg) | 3375 | 3340 | 3900 |
| Total weight 4WD (kg) | 4040 | 4690 | – |
| Total height with cabin (cm) | 265/263 | 265/270 | – |
| Total length (cm) | 412 | – | – |
| Total width (cm) | 224/245 | 224/245 | 231 |
| Fuel tank capacity (L) | 68 | 68 | 90 |
| Cabin noise level (dB) | 85 | 86,5 | 86 |
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