Contracting bucket. The very strongest buckets in the series. They are based on the H bucket. On the 210, 240 and 260, the metal is 20 % thicker how-ever. In addition, the HD buckets have a more powerful cutting edge, a wider, longer floor reinforcement, an extra angle reinforcement on the inside of the bucket along the implement hooks, as well as an angled wearing rail on the rear of the bucket.