Chicago Pneumatic Reversible Plate Compactor Model Number: MV 320 The forward and reversible movement is easily controlled and the speed and compaction depth are regulated step less. Compare View Product Chicago Pneumatic Reversible Plate Compactor Model Number: MV 400 The forward and reversible movement is easily controlled and the speed and compaction depth are regulated step less. Compare View Product Chicago Pneumatic Reversible Plate Compactor Model Number: MV 430 The forward and reversible movement is easily controlled and the speed and compaction depth are regulated step less. Compare View Product