HPT Plate Compactor Forward CPT80B-L 86kg GX160A plate compactor uses a large steel plate to get rid of air pockets in various ground materials and provide tighter compaction. They work on rough and uneven ground, to flatten it and create a level grade. Commonly, this will be soil, sand, hardcore, gravel, asphalt and similar. Hoppt Forward Plate Compactors feature a compact yet robust design with low hand arm vibration handle and offering choices of compacting force, different plate sizes