Improvements in and relating to post drivers

摘要

Agricultural machines often comprise a telescopic mast or the other apparatus having at least one section movable relative to another section. In such machines, it is often difficult to access internal or rear faces of at least one moving part in order to lubricate them. Described herein, is an agricultural machine, such as or comprising a post driver, comprising at least one first section and at least one second section, wherein at least one of the first section and second section is movable relataive to the other of the first or second section and the first section is provided with at least one lubrication or greasing port and the second section is provided with at least one lubricating or greasing aperture. Optionally, the at least one lubrication or greasing aperture and the at least one lubrication port are movable relative to one another so as at least in one disposition to be in communication with one another.