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Worst worn sprocket ever!

Worst worn sprocket ever!

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Sasquatch
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Quick Youtube vid of a Cat excavator with probably the baldest track drive sprocket I've ever seen. Some horrible wear can also be seen on the bushings inside the track links too. I don't know how it could even turn that track at all.


https://www.youtube.com/watch?v=La_GTkpEkyc
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Mon, Dec 8, 2014 8:55 AM
edb
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Hi Sas,
yep, used to get in at The Dealer like that. Rubbish Tip machines were the worst due to garbage plugging in the links.
Sometimes we could hardly steer them into the shop to carry out repairs.
We used to joke that if we got enough of them we could make a great roller to roll corrugated iron roofing sheets.
Thanks for the link to bring back memories.
Cheers,
Eddie B
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Mon, Dec 8, 2014 11:16 AM
OzDozer
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Reply to edb:
Hi Sas,
yep, used to get in at The Dealer like that. Rubbish Tip machines were the worst due to garbage plugging in the links.
Sometimes we could hardly steer them into the shop to carry out repairs.
We used to joke that if we got enough of them we could make a great roller to roll corrugated iron roofing sheets.
Thanks for the link to bring back memories.
Cheers,
Eddie B
I've run undercarriage so far out on our D6C's and D7F's that the sprocket teeth were reduced to bumps, and the tractor wouldn't drive up the ramps of the lowbed without the sprocket constantly jumping inside the pins and bushings!
This was only when the undercarriage was totally shot and it was being run to destruction. At that point, the tractor would be run into the shop and get everything new, from front to back and all points in between!
Then the difference when we wheeled the tractor out with all-new undercarriage, was something to behold!
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Mon, Dec 8, 2014 11:37 AM
bluox
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Reply to OzDozer:
I've run undercarriage so far out on our D6C's and D7F's that the sprocket teeth were reduced to bumps, and the tractor wouldn't drive up the ramps of the lowbed without the sprocket constantly jumping inside the pins and bushings!
This was only when the undercarriage was totally shot and it was being run to destruction. At that point, the tractor would be run into the shop and get everything new, from front to back and all points in between!
Then the difference when we wheeled the tractor out with all-new undercarriage, was something to behold!
[quote="OzDozer"]I've run undercarriage so far out on our D6C's and D7F's that the sprocket teeth were reduced to bumps, and the tractor wouldn't drive up the ramps of the lowbed without the sprocket constantly jumping inside the pins and bushings!
This was only when the undercarriage was totally shot and it was being run to destruction. At that point, the tractor would be run into the shop and get everything new, from front to back and all points in between!
Then the difference when we wheeled the tractor out with all-new undercarriage, was something to behold![/quote]

Bull, you can't run a tractor undercarriage that far out.
Bob
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Mon, Dec 8, 2014 12:55 PM
OzDozer
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Reply to bluox:
[quote="OzDozer"]I've run undercarriage so far out on our D6C's and D7F's that the sprocket teeth were reduced to bumps, and the tractor wouldn't drive up the ramps of the lowbed without the sprocket constantly jumping inside the pins and bushings!
This was only when the undercarriage was totally shot and it was being run to destruction. At that point, the tractor would be run into the shop and get everything new, from front to back and all points in between!
Then the difference when we wheeled the tractor out with all-new undercarriage, was something to behold![/quote]

Bull, you can't run a tractor undercarriage that far out.
Bob
How would you know? You weren't there. How many Cats have you owned? - and how many sets of undercarriage have you worn out and fully rebuilt?
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Mon, Dec 8, 2014 1:20 PM
wimmera farmer
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Reply to OzDozer:
How would you know? You weren't there. How many Cats have you owned? - and how many sets of undercarriage have you worn out and fully rebuilt?
Just like the excavator in a scrap dealers yard near here a couple of years back. Only way to move it was by dragging it along with the boom and skidding around. Could not pull at anything in line with the tracks. Probably still using it like that.
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Mon, Dec 8, 2014 3:45 PM
mrsmackpaul
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Reply to bluox:
[quote="OzDozer"]I've run undercarriage so far out on our D6C's and D7F's that the sprocket teeth were reduced to bumps, and the tractor wouldn't drive up the ramps of the lowbed without the sprocket constantly jumping inside the pins and bushings!
This was only when the undercarriage was totally shot and it was being run to destruction. At that point, the tractor would be run into the shop and get everything new, from front to back and all points in between!
Then the difference when we wheeled the tractor out with all-new undercarriage, was something to behold![/quote]

Bull, you can't run a tractor undercarriage that far out.
Bob
[quote="bluox"]Bull, you can't run a tractor undercarriage that far out.
Bob[/quote]
dunno Ive seen some pretty crook things that I cant believe acctual work or were bits of rod have been welded on to get people out of a tight spot I would have thought it would be easier to fix before that stage at least a lot easier than welding bits of rods to a sprocket while lying in mud but I never know the other persons situation so I would never comment


Paul
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Mon, Dec 8, 2014 4:41 PM
ronm
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Reply to bluox:
[quote="OzDozer"]I've run undercarriage so far out on our D6C's and D7F's that the sprocket teeth were reduced to bumps, and the tractor wouldn't drive up the ramps of the lowbed without the sprocket constantly jumping inside the pins and bushings!
This was only when the undercarriage was totally shot and it was being run to destruction. At that point, the tractor would be run into the shop and get everything new, from front to back and all points in between!
Then the difference when we wheeled the tractor out with all-new undercarriage, was something to behold![/quote]

Bull, you can't run a tractor undercarriage that far out.
Bob
[quote="bluox"]Bull, you can't run a tractor undercarriage that far out.
Bob[/quote]

The heck you can't...my cousin built ski runs in Utah for 2 years with a TD-25 that was about that bad. Had to keep the tracks as tight as a fiddlestring to keep it from jumping teeth...plus he only had one steering clutch working right at the end.
Run to destruction is the proper term for that situation.
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Mon, Dec 8, 2014 9:24 PM
83Jim
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Reply to bluox:
[quote="OzDozer"]I've run undercarriage so far out on our D6C's and D7F's that the sprocket teeth were reduced to bumps, and the tractor wouldn't drive up the ramps of the lowbed without the sprocket constantly jumping inside the pins and bushings!
This was only when the undercarriage was totally shot and it was being run to destruction. At that point, the tractor would be run into the shop and get everything new, from front to back and all points in between!
Then the difference when we wheeled the tractor out with all-new undercarriage, was something to behold![/quote]

Bull, you can't run a tractor undercarriage that far out.
Bob
[quote="bluox"]Bull, you can't run a tractor undercarriage that far out.
Bob[/quote]

Sounds like you didn't look at the video.

Just double click on the link and the answer is right there in living color.
You only need two tools in life - WD-40 and Duct tape. If it doesn't move and should, use the WD-40 If it shouldn't move and does, use the duct tape.
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Cat D4D 83J w 3304 PC engine, FOPS, s/t blade, D4F winch, air ride seat, "wobble" stick blade lever and D8H control panel
Cat 920 62K w 3304 PC engine, FOPS, 4 in 1 bucket
1995 Dodge Ram 2500 4x4 RCSB Cummins 5 speed
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Mon, Dec 8, 2014 10:46 PM
bluox
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Reply to OzDozer:
How would you know? You weren't there. How many Cats have you owned? - and how many sets of undercarriage have you worn out and fully rebuilt?


Like the man said show me the pictures.
Bob
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Mon, Dec 8, 2014 11:14 PM
bluox
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Reply to 83Jim:
[quote="bluox"]Bull, you can't run a tractor undercarriage that far out.
Bob[/quote]

Sounds like you didn't look at the video.

Just double click on the link and the answer is right there in living color.
[quote="83Jim"]Sounds like you didn't look at the video.

Just double click on the link and the answer is right there in living color.[/quote]

That is a excavator not a tractor, I've worked excavators that bad..
Bob
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Mon, Dec 8, 2014 11:18 PM
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