Apparatus for providing a water supply for an agricultural vehicleincludes an elongate cylindrical container for receiving water attached bystraps toan exterior frame member of the vehicle at one side. A discharge pipe of thecontainer has a valve at hand height for a user standing at the one side fordischarge downwardly of water contained in the container. The container issuppliedby a flexible pipe attached to a discharge nozzle of an air conditioningsystem of thevehicle to collect condensate therefrom.