Technical Specifications of the Valtra A53 Agricultural Tractor:
The Valtra A53 agricultural tractor has been produced since 2014. It is equipped with a 1103D-33 engine with a displacement of 3,300 cm³, featuring three cylinders, naturally aspirated, without a turbocharger or intercooler. The cylinder bore is 105 mm, and the piston stroke is 127 mm. The engine delivers a maximum power output of 50 HP at 2,200 RPM, with a torque of 196 Nm at 1,400 RPM. The transmission offers 12 forward gears and 12 reverse gears, all synchronized, with a mechanical shuttle. The speed range is from 0.8 to 34 km/h. The hydraulic system has a flow rate of 43 L/min, with mechanical control for the rear lift, which has a maximum lifting capacity of 2,100 kg. The power take-off (PTO) operates at speeds of 540 and 750 RPM. The 2WD model is equipped with front tires sized 7.50-16 and rear tires 14.9R30, whereas the 4WD version comes with front tires 300/70R20 and rear tires 380/85R30. The total weight of the 2WD model is 2,400 kg, while the 4WD version weighs 2,610 kg. The overall height with a cab is 258 cm, length is 400 cm, and width is 203 cm. The fuel tank capacity is 74 liters.
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Technical Data Sheet for Valtra A53, A63, and A73 tractors:
| Model | Valtra A53 | Valtra A63 | Valtra A73 |
|---|---|---|---|
| Years of production | 2014- | 2014- | 2014- |
| Engine designation/type | 1103D-33 | 1103D-33 | 1103D-33 |
| Number of cylinders / Turbo / Intercooler | 3 | 3TI | 3TI |
| Engine displacement (cm³) | 3300 | 3300 | 3300 |
| Piston diameter / Stroke (mm) | 105×127 | 105×127 | 105×127 |
| Maximum engine power (HP) / at RPM | 50/2200 | 68/2200 | 78/2200 |
| Torque (Nm) / at RPM | 196/1400 | 285/1400 | 310/1400 |
| Number of gearbox speeds (forward + reverse) | 12+12 | 12+12 | 12+12 |
| Number of synchronized gears (forward + reverse) | 12+12 | 12+12 | 12+12 |
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| Fast gearbox / Power shift | – | – | – |
|---|---|---|---|
| Reverser type | mech | mech | mech |
| Speed range (km/h) | 0,8-34 | 0,8-34 | 0,8-34 |
| Maximum speed (km/h) | – | – | – |
| Hydraulic pump capacity (L/min) | 43 | 43 | 43 |
| Rear three-point hitch (TUV) control type | mech | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 2100 | 2100 | 2900 |
| Power take-off (PTO) speed (RPM) | 540/750 | 540/750 | 540/750 |
| Type of disc brake (dry/wet) | – | – | – |
| Brake system control type | – | – | – |
| Turning radius 2WD (m) | – | – | – |
| 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 | 300/70R20 | 300/70R20 | 300/70R20 |
| Rear tire size 2WD | 14.9R30 | 14.9R30 | 14.9R30 |
| Rear tire size 4WD | 380/85R30 | 380/85R30 | 380/85R30 |
| Total weight 2WD (kg) | 2400 | 2400 | 2400 |
| Total weight 4WD (kg) | 2610 | 2610 | 2610 |
| Total height with cabin (cm) | 258 | 258 | 258 |
| Total length (cm) | 400 | 400 | 400 |
| Total width (cm) | 203 | 203 | 203 |
| Fuel tank capacity (L) | 74 | 74 | 74 |
| Cabin noise level (dB) | – | – | – |
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