A vehicle for agricultural use, comprising: i) wheel groups; ii) an engine group that supplies an engine power (P-gross); iii) an engine control unit operatively connected to the engine group to manage the supply thereof; iv) auxiliary operating groups suitable for performing specific operations, for example comprising a fan unit, an alternator unit, a compressor group, or a pump unit; v) a gearbox group operatively connected to the engine group and to the wheel groups to transmit traction to the wheel groups; vi) a power take-off group operatively connected to the engine group; vii) a detection system comprising: - an engine power detector detecting the engine power value (P-gross) in real time; - an auxiliary power detector detecting, in real time, the auxiliary power value (P-aux) absorbed by the auxiliary operating groups; - a drive power detector detecting the drive power value (P-wheels) in real time; - an operating unit operatively connected to the engine power detector, the auxiliary power detector, and the drive power detector, receiving the engine power value (P-gross), the auxiliary power value (P-aux), the drive power value (P-wheels), and suitable for identifying, in real time, a power take-off power value (P-pto) corresponding to the power used by the power take-off group; wherein the operating unit checks the drive power value (P-wheels) with respect to a drive threshold value (S-wheels) and/or the power take-off power value (P-pto) with respect to a power take-off threshold value (S-pto); wherein the operating unit is connected to the engine control unit so as to control the supply of the engine group as a function of the results of the aforesaid check. i) wheel groups; ii) an engine group that supplies an engine power (P-gross); iii) an engine control unit operatively connected to the engine group to manage the supply thereof; iv) auxiliary operating groups suitable for performing specific operations, for example comprising a fan unit, an alternator unit, a compressor group, or a pump unit; v) a gearbox group operatively connected to the engine group and to the wheel groups to transmit traction to the wheel groups; vi) a power take-off group operatively connected to the engine group; vii) a detection system comprising: - an engine power detector detecting the engine power value (P-gross) in real time; - an auxiliary power detector detecting, in real time, the auxiliary power value (P-aux) absorbed by the auxiliary operating groups; - a drive power detector detecting the drive power value (P-wheels) in real time; - an operating unit operatively connected to the engine power detector, the auxiliary power detector, and the drive power detector, receiving the engine power value (P-gross), the auxiliary power value (P-aux), the drive power value (P-wheels), and suitable for identifying, in real time, a power take-off power value (P-pto) corresponding to the power used by the power take-off group; - an engine power detector detecting the engine power value (P-gross) in real time; - an auxiliary power detector detecting, in real time, the auxiliary power value (P-aux) absorbed by the auxiliary operating groups; - a drive power detector detecting the drive power value (P-wheels) in real time; - an operating unit operatively connected to the engine power detector, the auxiliary power detector, and the drive power detector, receiving the engine power value (P-gross), the auxiliary power value (P-aux), the drive power value (P-wheels), and suitable for identifying, in real time, a power take-off power value (P-pto) corresponding to the power used by the power take-off group;