The study showed that the addition of 75% water ballast level in the rear tires improves the performance of the tractor. The study showed that when the water ballast levels increased the fuel consumption, rolling resistance force and draft force were increased and slippage was...
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device applicable to the traction in order to make practice, the same way, the adjusting the inflation pressure in the air liquideouet of their tires; it also makes it possible to carry out easily, the stoppage of the ballast and shedding in the liquid of the tires. < / p & gt; & ...