You can really tell this bloke knows his machine and what he's doing. Hat's off to an Operator that can do a sweet job using the Old gear. No Lazer GPS or Machine Automation here!.
Draglines and hoes, you work with the drive tumblers at the front, and shovels and skimmers, you have the drive tumblers at the rear. In each case, that keeps the crawler belts tight on the bottom and stops the track plates bunching up under the bottom rollers.
Where are the rational rules that say, I’ve got a very interesting video, so let me put stupid, lousy annoying music on the soundtrack? Those of us that watch equipment videos, want the operational sounds one would hear if operating or standing near by.