An original dealer training slideshow on crawler loader/dozer undercarriage training.
This video goes over the basics of undercarriage design, inspection, wear, and selection. Components such as grousers, sprockets, idlers, rails, and rollers are discussed in this presentation as well as maintenance.

If you are a Squatch253 viewer this might help you understand the Cat D2 undercarriage rebuild, as the concepts are similar.

Sadly a few of the slides were missing from this slideshow.

International Harvester competed with Caterpillar, Allis Chalmers, Oliver/Cletrac, and John Deere in the crawler market. Manufacturing Bulldozers, Agricultural crawlers, and track loaders for the world market. IH was one of the largest manufacturers of tracked equipment in its day.
International TD-25, TD-24, TD-20, TD-18, TD-15, TD-14, TD-9, TD-8, TD-7, TD-6, TD-5, crawlers/dozers. 250, 175, 150, 125, and 100 crawler loaders.

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