The present invention refers to a surface-cleaning machine with on-board operator, such as a floor washing-drying machine, a floor washing machine, a sweeper, a high-pressure cleaner, a vacuum cleaner, or similar machines, provided with an operators compartment (10) including a footboard (30) that defines a first fixed reference surface (31), having adjacent to it at least one pedal (40) to control the surface cleaning machine, wherein said footboard (30) comprises at least one resting member (50) defining a second resting surface (51), with said second resting surface (51) being adjustable with respect to said first fixed reference surface (31).