Wheeled carriage for artillery

A self-propelled artillery piece comprises a gun supported on a carriage having a pair of main supporting wheels, and associated with a pair of elongated carriage trails the forward ends of which are pivoted to the carriage about a pair of elongated bearing pins located in a first vertical plane which is substantially parallel to the axis of rotation of the main supporting wheels and which bearing pins are inclined obliquely outwards respectively in relation to a second vertical plane located between the bearing pins and extending orthogonal to the first vertical plane. Each carriage trail includes an auxiliary supporting wheel rearward of its associated bearing pin and adapted to be selectively displaced between a lowered ground engaging position and an elevated ground disengaged position. The bearing pins are so disposed that the carriage has the same generally horizontal inclination when the carriage trails are in their transport position, with the rearward ends of the carriage trails closely adjacent one another and the auxiliary supporting wheels in their lowered position, and when the carriage trails are in their firing position with the rearward ends of the carriage trails relatively widely separated and their auxiliary supporting wheels elevated.