Pictured above is the 4000 HD Series Tooth bucket. This tough bucket has 1/2" material for the bottom, 10 attach mount gussets, double thick backing, 3/4" edge by 8" deep............and lots more, in other words it is Strong!! 
Constructed out of 3/16" material the 4000 series tooth buckets are built for a long life. The MW 4000's will fit and meet the needs of your machine. Welded shanks on the 4000 series buckets eliminate slop on the teeth and comes with replaceable tips.