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Bcrichardsonusmc2004 
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Joined: 09 Jul 2017
Location: Tennessee
Points: 8
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 Topic: Hd6 crawler
Posted: 09 Jul 2017 at 1:35am |
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I traded for an allis chalmers hd6 loader, I am looking for a replacement 344 running buda engine or a 7000 series engine and mabey someone that posses the knowledge of what I need to do to put the 7000 series engine in my machine, thanks.
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 33143
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Posted: 09 Jul 2017 at 7:29am |
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What is wrong with the engine in it? Does it have the Buda design engine in it?
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Dozer
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Joined: 16 Aug 2011
Location: SW New York
Points: 689
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Posted: 09 Jul 2017 at 8:03am |
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Try searching this site. Several people have swapped the 7000 with the HD344. It basically fits but you may have to change accessories. The 7000 is an updated turbo charged 344
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Bcrichardsonusmc2004
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Joined: 09 Jul 2017
Location: Tennessee
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Posted: 09 Jul 2017 at 11:17pm |
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Yes it has the buda 344 engine, it is locked up tight, pulled the oil dips tic and smell diesel which leads me to believe they have Gaul dedicated a set of bearings, and possibly ruined the crank, not looking for a period correct machine just something I can use on the farm
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Dozer
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Posted: 10 Jul 2017 at 7:36am |
You should investigate the reason your HD344 will not turn. You will have to do some disassembly even if you replace the whole motor. My HD344 came to a screeching stop and locked up because the generator pulley was not turning.  If you choose to remove the loader it is helpful to remove the cylinder head. I had difficulty lifting the motor with a loader with a 3/4 yard bucket. Prop the loader up as shown in the picture.
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Bcrichardsonusmc2004
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Location: Tennessee
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Posted: 10 Jul 2017 at 3:36pm |
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Ok thanks for the advice, I planned on trying to get the engine out of there this weekend, but I'll have to see how I feel, last fall I broke my back and it's a day by day adventure
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HD6GTOM
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Joined: 30 Nov 2009
Location: MADISON CO IA
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Posted: 10 Jul 2017 at 8:34pm |
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I have done several. If you're has a brush guard-roll cage on it and if you can raise the loader completely up, CHAIN it to the Brush guard you can pull the nose or simply tilt it forward and lift the motor out the top. We found that to be the easiest way. Be very careful do not leave anything, nuts bolts, etc laying on top of the motor. Last 1 I did we left a 1" nut laying there, fan blows forward, had to spend $400.00 to fix the rad. The later motors had a bigger crank in them and were less prone to have problems. More than likely the counter balance shaft self destructed causing a rod bearing to spin. Take a close look at the block behind the injector pump, see if there is a hole there. Seen several this way. On my last 1 I was able to get a later motor, look at military surplus, used to see quite a few there. Worked well for me till I got hurt and can no longer run 1
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