The heavy-duty rear-mount box blade provides versatile capability for leveling, backfilling, grading, and moving a wide range of materials. Its robust rear-mount cutting edges are designed to securely retain gravel, topsoil, and other material during operation. Adjustable, replaceable ripper shanks break up hard ground and compacted soil to make material easier to move. Reversible, replaceable steel cutting blade edges extend the life of the implement and help reduce long-term maintenance costs.