Crafts excavator heavy duty rock buckets takes thicker steel plate and wear resistant material to reinforce body such as the main blade, side blade, side wall, side reinforced plate, shell plate and rear strips. In addition, the heavy duty rock bucket takes the rock type excavator bucket teeth in stead of standard blunt type for better penetration force, meanwhile, replaces the side cutter into the side protector to withstand the impact and the wear for the side blade.