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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Approximate Life expectancy

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bent1

02-01-2007 08:03:46




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In a few day, I will have a 100% undercarrige. Track, shoes, roller, rebuilt idlers, etc. Under normal, if there is such a word, doing fencelines, lighter dirtwork, etc. in good dirt with very little rocks or clay, how many hours should it be before investing more into the undercarriage? I know there are no hard answers, just an estimate? Small 9000# dozer with Berco componets. Other than keep it cleaned at the end of the day, any hints on getting more life?

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135 Fan

02-01-2007 17:22:21




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 Re: Approximate Life expectancy in reply to bent1, 02-01-2007 08:03:46  
I've heard that the better tracks like Berco are warranteed for 4000 hours. Go slower especially in reverse and keep them properly tensioned. Too tight wears them faster and too loose they can come off. John Deere and CAT have charts explaining proper tension. Sand and manure from cleaning corals is very hard on tracks. Hope this helps. Dave



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Tom in Central Pa

02-01-2007 16:05:58




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 Re: Approximate Life expectancy in reply to bent1, 02-01-2007 08:03:46  
Tips: Keep tracks loose, Johnny Buck recommends
1 1/2" sag on top, Lay a straight edge on top of the track, from front idler to carrier roller.
The track should sag 1 1/2" below the edge. Reverse wears parts faster than going forward, turn around, rather than backing a long distance.



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jdemaris

02-01-2007 08:23:30




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 Re: Approximate Life expectancy in reply to bent1, 02-01-2007 08:03:46  
I don't know what kind of crawler and what kind of tracks you have. I also doubt your undercarriage will ever be 100%. No insult intended - but crawlers take a beating -and some track components are very difficult to bring back to new condition. A new crawler with older-style, non-sealed and non-lubricated pins and bushings in the tracks and maybe grease rollers would usually have a life of 2000 hours. A newer crawler with sealed and lubed tracks, oil-rollers, etc. might get 5000 hours. There are many things that cause wear - and misalignment can be a big probem over time. Also, hardness and wear problems with aftermarket or weleded and built-up parts, etc. I was a Deere mechancic for many years - and repairs on Deere 1010s, 2010s 350s, 450s, 550s, etc. were difficult. A lot of time was spent on welding and refitting track components on top of the replacment of rollers, sprockets, tracks, etc. In that regard, other companies - like Cletrac and Allis Chalmers had much better undercarriage systems. But, they are out of business and Deere is not.

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seann

02-01-2007 10:21:21




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 Re: Approximate Life expectancy in reply to jdemaris, 02-01-2007 08:23:30  
There was a guy over at the Redpower site that had a brand new set of Berco tracks put on his TD8(?) about a year ago. Shortly thereafter they developed cracks around a number of the links. The owner went through all kinds of hassles trying to get Berco and the vendor to warranty the tracks, but I don't think he met with much luck. I think he said he had identified other people who experienced a similar situation. From what I've heard, Berco usually has been known for making decent products. Not sure if they only had a short bad run of bad materials causing the cracking problems, or if they might have quality control problems that go deeper due to "cost cutting measures". Anyway, something like that could also factor into longevity. Not trying to worry you, but I would keep my receipts handy and keep a close eye on the U/C so you can identify any problems quickly should they arise. Document your maintenance (lubrication, tensions etc), including pics demonstrating proper chain tension. Apparently Berco tried to claim his tracks cracked due to "improper tension". We saw pics of his machine and the tension was just fine.

Otherwise if you're cleaning fence rows, as a heads up I've always heard to be careful around areas that might have old barbwire (or just plain wire) laying around. The wire can be real hard to see sometimes (sometimes it's just under the surface and is invisible) and can get wrapped up into the U/C - possibly tearing up final drive and/or roller seals etc before you even notice it's there.

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bent1

02-02-2007 04:17:32




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 Re: Approximate Life expectancy in reply to seann, 02-01-2007 10:21:21  
Thanks for the input. I am starting reassembly tonight and hope to have it completed by Monday. Only broke one track roller bolt out of 40 so luck is staying with me so far. more slack in the track chain sounds like a good idea.



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