In one aspect, the disclosure relates to a mobile inspection system (1) comprising: an inspection module (3) mounted on a chassis (10) of the system and comprising an inspection radiation source (31) and an inspection radiation detector (32); wherein the system (1) is configured to operate at least in: a transport mode wherein the system is configured to transport the inspection module (3); and an inspection mode wherein the inspection module (3) is configured to cause scan of an item (100); and a motion generation module (2) adapted to be connected to an engine (21) configured to cause motion of the system (1) at least in the transport mode; wherein the motion generation module (2) is further adapted to cause supply of energy at least to the inspection module (3), in the inspection mode.