Abstract: A sulky comprises two wheels (7) which are attached via frame members (3) to the sulky's support structure, which consists of a beam section (1) which connects the wheels (7), a seat section (2) and shafts (4). In order to give the horse which is harnessed between the shafts (4) an impulse by means of swinging movements from the driver who is sitting on the seat (2), the shafts (4) are designed with an arm member (6) which is facing the wheel (7). This arm member (6) is rotatably connected to the frame member (3). From the shaft (4) to the beam section (1) there is maintained a connection (9) for transfer of tensile force.