Re: Looking to get an old dozer for the farm,need

Posted by JDknut on November 10, 2005 at 03:59:08 from (152.119.204.68):

In Reply to: Looking to get an old dozer for the farm,need buyi posted by plumboy on November 09, 2005 at 16:01:24:

You are thinking about right in terms of the Case, or a Deere or CAT of similar size. For 20 grand you should be able to get a pretty decent small used machine. The undercarriage is the biggest thing in crawlers. The percent has to do with how much of the "rail" is worn down, this is the part of the track chain that rolls along the upper idler. You can compare it to a new one or to the other side of the link that is butted up to the underside of the track shoe. The looseness of the track is important, too. if it is too loose and can't be taken up, the pins and bushings have to be "turned" or replaced. To "turn" them, you press them out with a special press and turn them 180 degrees and press them back in, but if the track is loose and they already have been turned, then you have to press in new pins. On a 420 Deere crawler I had, it cost about $400 to get the pins turned, but the Case machines you are talking about will cost more. You don't want a loose track because if it throws the track it will be an SOB to get it back on. Also the drive sprockets and idlers are key. On some machines, if the sprocket teeth are sharp pointed it means they are worn. Also on my craawler, the front idler support bearing was completely gone and took part of the frame support with it, so I had to fix that, too. You could get someone who is real familiar with crawlers to go with you to look over a prospective machine. It might cost a few grand to get the undercarriage serviced depending on size, age, make, how much of the work you do (getting the tracks off, hauling them to the place that services them) etc. There is a lot of good info on the Crawler board, here, too. Good luck, excuse the long rambling post, hope it helps some.

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