Radial tyre for an agricultural-type vehicle, which tyre is VF ("Very high Flexion") according to the 2020 ETRTO standard, which has a speed index at least equal to D for a maximum speed at least equal to 65 km/h, which tyre is intended to be mounted on a rim with a diameter at least equal to 42 inches, the maximum use pressure of which is at least equal to 3.2 bar and the load index of which is at least equal to 170, comprising: - a tread intended to come into contact with the ground via a tread surface, which tread has an axial width LT and comprises a central portion with an axial width LT/2 and two axially outer portions, each with an axial width LT/4, - the two axially outer portions comprising tread pattern blocks with a radial height h at least equal to 30 mm, these blocks having an axial length at least equal to 80% of the axial width LT/4 of the axially outer portions of the tread and having a circumferential thickness ep at least equal to 55 mm, - a crown reinforcement radially on the inside of the tread , comprising at most 4 working layers , - said tyre being characterized in that each working layer comprises mutually parallel textile reinforcing elements which are coated in a rubber material and form angles at least equal to 15° and at most equal to 45° with the circumferential direction, the said textile reinforcing elements comprising at least one strand consisting of an assembly of at least two textile fibres, and in that - the reinforcing elements of the working layers have a tensile breaking force at least equal to 32 daN and comprise an aromatic polyamide (aramid) strand and a polyethylene terephthalate (PET) or aliphatic polyamide strand, the aramid strand having a breaking force at least equal to 30 daN, the breaking force being measured according to the standard denoted D885/D885M - 10A . - a tread intended to come into contact with the ground via a tread surface, which tread has an axial width LT and comprises a central portion with an axial width LT/2 and two axially outer portions, each with an axial width LT/4, - the two axially outer portions comprising tread pattern blocks with a radial height h at least equal to 30 mm, these blocks having an axial length at least equal to 80% of the axial width LT/4 of the axially outer portions of the tread and having a circumferential thickness ep at least equal to 55 mm, - a crown reinforcement radially on the inside of the tread , comprising at most 4 working layers , - said tyre being characterized in that each working layer comprises mutually parallel textile reinforcing elements which are coated in a rubber material and form angles at least equal to 15° and at most equal to 45° with the circumferential direction, the said textile reinforcing elements comprising at least one strand consisting of an assembly of at least two textile fibres, and in that - the reinforcing elements of the working layers have a tensile breaking force at least equal to 32 daN and comprise an aromatic polyamide (aramid) strand and a polyethylene terephthalate (PET) or aliphatic polyamide strand, the aramid strand having a breaking force at least equal to 30 daN, the breaking force being measured according to the standard denoted D885/D885M - 10A . <EOS>