Liebherr 621C Crawler Loader - How Operator Controls Work. In this video, listen to a Loader Operator explain how the controls work and what they do in a 1997 Liebherr 621C Front End Loader. This machine has over 5000 hours on it and has been used in many types of projects to include; loading soil and aggregate into trucks, grading, land clearing, and even demolition work. This crawler loader is a beast and tough as nails. I would like to thank the loader operator for taking the time to talk about how the controls work and for demonstrating this on camera. I hope you liked this video of the Liebherr 621C, and if so, don't forget to SUBSCRIBE to my channel to be notified of each new video I post. I will continue to search for heavy machinery to capture on video for posting here on YouTube in the future. Stay Tuned, and again, thanks for watching. Cameras Used: 2 GoPro HERO HD Video Cameras filmed in 1080P.
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