The ornamental design for a compactionmachine, as shown and described.
FIG. 1 is a top front left side isometric view of a compaction machine showing my new design, with the jack ring on the top middle portion of the claim shown in a raised, deployed position with the front hood shown in a closed position;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is an isometric view thereof corresponding to FIG. 1 but showing the deployable jack ring in a lowered, retracted position; and,
FIG. 9 is a top plan view thereof corresponding to FIG. 6 but showing the jack ring in a lowered retracted position.