A vehicle including a chassis (50) and a load carrying container supported thereon, thecontainer arranged for pivotable movement relative to the chassis of the vehicleto discharge material from the container in a lateral direction to a side of thechassis, the container including a lower container body (25) and an upper containerbody (4) mounted thereto for operable movement with fespect to said lower containerbody to provide a selectively openable discharge p'assage eg via openableside discharge door (32), between the upper and lower container bodies when theupper and lower bodies pivot with respect to one another.