Front / Rear Idler. Final Drive Reduction Assembly. If you’re looking for top-quality undercarriage parts at the best possible prices, you’ve come to the right place. Cut out the middle man and deal direct with. DIEX-Undercarriage carries cutting-edge undercarriage parts that perfectly fit any machine model made by top brands in the industry. Please have your Motor Tag numbers ready if possible and your serial number of your machine. And please show us your old Final Drive Motor. We like be sure you are getting the exact replacement motor for your machine. It is a durable undercarriage replacement part for your excavator. It was designed and manufactured to exact OEM specifications using a high-quality, high-strength steel. It will provide long-lasting and dependable performance even if you operate in the most extreme conditions. All these transport timeliness don’t apply to remote districts. So we could help you solve the problem well. Our goal has always been to grow a long lasting business, one customer at a time. We strive to bring you the best customer service with quality parts.