Manufacturing a giant spring - GIF

Manufacturing a giant spring.

<video controls autoplay loop style="max-width: 100%;">
<source src="https://diqn32j8nouaz.cloudfront.net/tooltalk_17415437186596.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>


Previously:

Detailed guide on how to make springs
Forming a large spring - GIF
Hot rolling a giant spring - GIF
Hot spring forming - GIF
Making glass springs - GIF

Where in the world would you use a spring that size?

Maybe building foundations...
Attachment 48866

Or maybe the track adjusting spring in a D11 dozer.