The described motor-driven mechanical compactor is a specialized piece of equipment designed for soil compaction testing in laboratories, offering significant improvements over manual methods. Used for compaction and penetration tests, including California Bearing Ratio (CBR) tests, in soil testing laboratories. Electrically operated, eliminating the labor-intensive hand compaction process, saving time. Motor-driven, with a rammer that travels across a 100 mm or 150 mm diameter mould…