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Cat 977L

ChrisUK

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Joined
Dec 23, 2020
Messages
133
Location
England
Maybe put the tracks on the right way and check the right recoil spring.
Kinda looks like someone welded 2 build up bars on 3 bar wore out pads.
Bob
Hello Bob, you are correct on all 3 ! We are currently looking for some recoil spring “stops” but non are available here in the U.K.
Still awaiting a few emails from over the pond regarding them.
I’m not sure why the track chains were out on backwards, and speaking to a previous owner the track pads were built up for working in forestry over here, cheers Chris.
 

Cat977

Senior Member
Joined
Feb 19, 2006
Messages
510
Location
Madison WI
Occupation
Machinist/Millwright
I’m not sure why the track chains were out on backwards

I heard someone suggest it to put a newish surface against the sprocket teeth when going forward. It may mean the tracks are pretty worn out. I counted the links, there should be 41. I can only see 39.
Sorry for being the barer of bad news
 
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Cat977

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Feb 19, 2006
Messages
510
Location
Madison WI
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Machinist/Millwright
Bob thanks for the correction. I'm thinking of the early L's and K's With the 8" pitch not the 8 1/2" pitch that Chris has. Sorry folks
 

Bluox

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Joined
Jun 19, 2010
Messages
1,960
Location
WA state
Chris you might check your final drives before you run that tractor , it looks like an old oil leak on some of the pads on the right track.
Although being on the right side may be a hydraulic leak.
good luck
Bob
 
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ChrisUK

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Dec 23, 2020
Messages
133
Location
England
Chris you might check your final drives before you run that tractor , it looks like an old oil leak on some of the pads on the right track.
Although being on the right side may be a hydraulic leak.
good luck
Bob
Thanks Bob, yes you are right there is a weepy hose underneath the hydraulic tank that needs addressing and as for the final drives well there is a small amount of movement in both sprockets so they too will be looked at in due course. Both final drives are almost to level with oil and don’t appear to be leaking. Getting a list together now, still no luck with the recoil stops, the inner right side one is actually missing.
Cheers Chris
 

Nige

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Joined
Jun 22, 2011
Messages
30,420
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G..G..G..Granville.........!! Fetch your cloth.
7G4804-7G4805 are the part numbers Machinery Trader shows a lot of them too
Or look for the former P/Nos 2S-5967 & 2S-5968. All depends what's nearest to you.

Chris, how about posting up some close up photos of all the undercarriage components.?
If the rest of the U/C is in a similar state to the track shoe grousers you might have some serious money to spend before much longer.
 

Bluox

Senior Member
Joined
Jun 19, 2010
Messages
1,960
Location
WA state
Chris ,
The final drive sprocket bearings can be adjusted easier when the tracks are off ,like when you turn them.
The right inside spring stop should be the same as the left outside spring stop I believe the 5968 part number.
Going by the track adjusters those tracks don't look all that bad like someone reused old track pads.
Good luck
Bob
 

DMiller

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Feb 21, 2010
Messages
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Location
Hermann, Missouri
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Cheap "old" Geezer
Spotted either three Trimmed flange rollers on L side or has had a few changed already on that side, should probably have a Track Inspection done and find out what all ails beyond the loose sprockets and backward chains. Recoil spring/track truck guard covers need to be located and reinstalled as soon as any other required work done in there besides deep cleaning.
 

ChrisUK

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Joined
Dec 23, 2020
Messages
133
Location
England
Here are some pictures I took today of the under carriage. I hope they are of interest, I have a few to put up, cheers Chris.
 

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ChrisUK

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Dec 23, 2020
Messages
133
Location
England
A few more.
 

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ChrisUK

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Joined
Dec 23, 2020
Messages
133
Location
England
A few more
 

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ChrisUK

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Dec 23, 2020
Messages
133
Location
England
Last set, cheers Chris.
 

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ChrisUK

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Dec 23, 2020
Messages
133
Location
England
I forgot to add I measured pin to pin length across 3 links and it measured out at 25 and 5/16 inches.
 
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