SEMI-TRAILER AND ELECTRIC DRIVE MODULE SUITABLE FOR MOUNTING ON A SEMI-TRAILER

摘要

A semi-trailer (31, 31', 31") comprising a chassis (33, 33', 33"), a first pair of ground-engaging wheels (23, 23', 23") located at and supporting a rear end of the chassis (33, 33', 33'), and a coupling part (21, 21', 21 ") which is located underneath the chassis (33, 33', 33") at the front end (31 a, 31 a', 31 a") of the semi-trailer (31, 31', 31 ") and which is configured to couple the semi-trailer (31, 31', 31 ") to a tractor unit (80), and a second pair of ground engaging wheels (25, 25', 25") which are located towards the front end (31 a, 31 a', 31 a") of the semi-trailer (31, 31", 31 ") relative to the first pair of wheels (23, 23', 23"), wherein the semi-trailer (31, 31', 31") is further provided with an electrically powered motor (71, 71') which is connected to one of the first or second pairs of wheels (23, 23', 23", 25, 25', 25") and operable to drive rotation of the first or second pair of wheels respectively.