International TD24 Update

An update on the International TD24 restoration project.

Final drive assembled with new sprocket drive carrier and new sprocket, bearings and seals fitted. We waited a long time to discover the whereabouts of these (in USA) and the shipping costs were nearly as much as the parts! Unfortunately the rarity and the fact spares have long been obsolete is a stalling factor with this restoration. With scrap prices being extraordinarily high and demand for TD24 used parts being extremely low, all my contacts in the States have reluctantly let them go to make Chinese razor blades!

At last, we have found some serviceable track chains! These were discovered on the east coast of Italy, they might look a bit rough but the wear is minimal and will suffice for demonstration work.

Having removed the sump to investigate oil loss at the seal, we found that someone has not replaced the cotter pins on the big-end and main bearing cap nuts and we found that the leak was due to replacing the sump without a gasket.

The damage to both front idler shafts and bearings was so bad we decided to cheat a little and replace with home-made shaft and bushings.

Assembly now finished and ready to fit.

The idler yokes were also badly damaged and this image shows how we fabricated new ends to carry the shafts.


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4 Responses to “International TD24 Update”

  1. Paul Singer Says:

    Hi John & Nick Look’s like your TD24 going to be really nice
    when you have it finished . You do good work . Paul

  2. johnwalkerplant Says:

    Thank’s for the comments, Paul. From someone who has high standards with restoration work, that is a nice compliment.

    Regards, John

  3. Thomas Morrison Says:

    This is an informative blog which gives us a lot of valuable knowledge about the heavy equipment and how to use it.

  4. John Walker Says:

    Thomas. Thank you for kind comments – it was surely the hardest and longest restoration I’ve done, it was hard work especially with components being so heavy! I now understand why International Harvester were pleased with their newest and largest tractor they ever built, in fact at the time it was the largest and most powerful in the world beating Allis Chalmers and Caterpillar both in weight, size and power. It also featured differential steering giving power to both tracks when on the turn.

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