Trailer stroke extender for use in a hydraulic trailer system , which trailer stroke extender is adapted to be arranged between a spine beam connector of a first hydraulic trailer and a spine beam connector of a second hydraulic trailer , the trailer stroke extender comprising: - a cradle frame , which comprises a first cradle-to-beam connector and a second cradle-to-beam connector, wherein the first cradle-to-beam connector is adapted to be connected to the spine beam connector of the first hydraulic trailer and the second cradle-to-beam connector is adapted to be connected to the spine beam connector of the second hydraulic trailer , the first and the second cradle-to-beam connectors being spaced apart from each other in a longitudinal direction (LO) of the trailer stroke extender , characterized in that the trailer stroke extender also comprises: - a first hydraulic cylinder and a second hydraulic cylinder which are adapted to move a trailer load in a vertical direction relative to the cradle frame over a single stroke length, which first hydraulic cylinder and second hydraulic cylinder are arranged in the cradle frame at a distance from each other in a lateral direction (LA) of the trailer stroke extender . which trailer stroke extender is adapted to be arranged between a spine beam connector of a first hydraulic trailer and a spine beam connector of a second hydraulic trailer , the trailer stroke extender comprising: - a cradle frame , which comprises a first cradle-to-beam connector and a second cradle-to-beam connector, wherein the first cradle-to-beam connector is adapted to be connected to the spine beam connector of the first hydraulic trailer and the second cradle-to-beam connector is adapted to be connected to the spine beam connector of the second hydraulic trailer , the first and the second cradle-to-beam connectors being spaced apart from each other in a longitudinal direction (LO) of the trailer stroke extender , - a cradle frame , which comprises a first cradle-to-beam connector and a second cradle-to-beam connector, wherein the first cradle-to-beam connector is adapted to be connected to the spine beam connector of the first hydraulic trailer and the second cradle-to-beam connector is adapted to be connected to the spine beam connector of the second hydraulic trailer , the first and the second cradle-to-beam connectors being spaced apart from each other in a longitudinal direction (LO) of the trailer stroke extender , characterized in that the trailer stroke extender also comprises: - a first hydraulic cylinder and a second hydraulic cylinder which are adapted to move a trailer load in a vertical direction relative to the cradle frame over a single stroke length, which first hydraulic cylinder and second hydraulic cylinder are arranged in the cradle frame at a distance from each other in a lateral direction (LA) of the trailer stroke extender . - a first hydraulic cylinder and a second hydraulic cylinder which are adapted to move a trailer load in a vertical direction relative to the cradle frame over a single stroke length, which first hydraulic cylinder and second hydraulic cylinder are arranged in the cradle frame at a distance from each other in a lateral direction (LA) of the trailer stroke extender . <EOS>