Cat 320D2 Medium Crawler Excavator is well known for general-purpose excavators that come with a boom, bucket and arm to the front of the machine. These come in a variety of sizes as per the need is an all-around excavator that is mainly used to dig big construction sites, demolished buildings and surfaces. Cat 320D2 Medium Crawler Excavator carries out heavy load objects from one place to another plant. These excavators are durable enough to dig inside big sites and areas.