1U3202 Caterpillar Style Backhoe Bucket Dirt Teeth,8E6208 Pins & 8E6209 Retainer FITS CATERPILLAR CAT J200. – Pin & Retainer Part #: 8E6208, 8E6209. Function: The primary function of the 1u3202 bucket teeth is to help dig through tough conditions and heavy materials such as rocks and hard soil.