A trailer, which includes - a frame comprising a front end and a rear end, as well as and a vehicle platform for supporting a working machine to be transported on the frame, - wheels for supporting the trailer on a ground surface, - at least one loading ramp attached in an articulated manner to the rear end of the frame by means of a transverse pivot joint, wherein each loading ramp is arranged to rest on the ground surface in a loading position in order to move the working machine onto the vehicle platform, wherein each loading ramp includes a ramp frame, a first end on the side of the frame of the trailer and a second end opposite the first end, wherein the transverse pivot joint is formed in the ramp frame between the first end and the second end at a distance (d) from the first end, and the transverse pivot joint includes at least one pivot pin, and - means for operating the loading ramp, wherein - the rear end of the frame of the trailer includes a support surface which can be formed underneath the vehicle platform or underneath at least one beam, wherein the first end of each ramp frame rests against the support surface in order to limit a rotation of the ramp frame and to support the second end of the loading ramp off the ground surface in transport position, and - the first end of the ramp frame includes a limiting member which is arranged to rest against the support surface in order to limit a rotation around the transverse pivot joint of the loading ramp, characterized in that the distance (d) is 10 - 40 %, preferably 20 - 30 %, of length of the ramp frame and the transverse pivot joint includes at least one slot, the at least one pivot pin and the at least one slot allowing a limited inclination of each loading ramp about a longitudinal axis between the first end and the second end, wherein, alternatively: i) the pivot pin is formed in the ramp frame and the slot is formed in the rear end of the frame of the trailer, or (ii) the slot is formed in the ramp frame and the pivot pin is formed in the rear end of the frame of the trailer. - a frame comprising a front end and a rear end, as well as and a vehicle platform for supporting a working machine to be transported on the frame, - wheels for supporting the trailer on a ground surface, - at least one loading ramp attached in an articulated manner to the rear end of the frame by means of a transverse pivot joint, wherein each loading ramp is arranged to rest on the ground surface in a loading position in order to move the working machine onto the vehicle platform, wherein each loading ramp includes a ramp frame, a first end on the side of the frame of the trailer and a second end opposite the first end, wherein the transverse pivot joint is formed in the ramp frame between the first end and the second end at a distance (d) from the first end, and the transverse pivot joint includes at least one pivot pin, and - means for operating the loading ramp, - the rear end of the frame of the trailer includes a support surface which can be formed underneath the vehicle platform or underneath at least one beam, wherein the first end of each ramp frame rests against the support surface in order to limit a rotation of the ramp frame and to support the second end of the loading ramp off the ground surface in transport position, and - the first end of the ramp frame includes a limiting member which is arranged to rest against the support surface in order to limit a rotation around the transverse pivot joint of the loading ramp, i) the pivot pin is formed in the ramp frame and the slot is formed in the rear end of the frame of the trailer, or (ii) the slot is formed in the ramp frame and the pivot pin is formed in the rear end of the frame of the trailer.