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Bush Hog Hd-12 Diesel Repower


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#136 SupplySergeant OFFLINE  

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Posted November 24, 2013 - 09:03 PM

Shooting for Tuesday morning around 9am.


I think I can make that work. I'll see if Mom will let Eggman off school for the morning, call it a field trip!

#137 olcowhand ONLINE  

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Posted November 25, 2013 - 12:44 PM

I think I can make that work. I'll see if Mom will let Eggman off school for the morning, call it a field trip!

 

Well, you will be in a field when we load the rolls!  :smilewink:


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#138 olcowhand ONLINE  

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Posted November 28, 2013 - 10:11 AM

The Perkins diesel I will be selling Brian cranks so much faster than the one in the HD-12, so made me worry why.  Not wanting to sell an engine that might be lower in compression.  So I switched out the starters, and my Perkins in the HD still cranks slow.   DUH....it's dragging a COLd STIFF hydro!  This morningTeresa is busy in the kitchen, so I fed the calves for her.  Just so happens I have to walk right past the HD to feed.  So it's then the hydro drag hit me, so I removed the drive shaft.  The engine fired right off after just 15 to 20 seconds of glow plug on a 17 degree morning!   I'm using a small GT battery of only 275 CCA.  When finished, I'll use an auto size battery of 500+ CCA.  Now time to shower & prepare to carve a turkey!


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#139 olcowhand ONLINE  

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Posted November 28, 2013 - 10:14 AM

They both cranked the same when both engines were out of frame, so I should have figured on the hydro drag.  Guess I'm running on a series of brain farts!


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#140 KennyP ONLINE  

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Posted November 28, 2013 - 10:22 AM

They both cranked the same when both engines were out of frame, so I should have figured on the hydro drag.  Guess I'm running on a series of brain farts!

With all that has been going on there, it's a wonder you remember anything!


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#141 Cvans OFFLINE  

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Posted November 28, 2013 - 11:29 AM

 

 

 DUH....it's dragging a COLd STIFF hydro!

Sounds like you need a magnetic heater under the hydro if the bigger battery doesn't do the job. 


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#142 olcowhand ONLINE  

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Posted November 28, 2013 - 11:33 AM

Sounds like you need a magnetic heater under the hydro if the bigger battery doesn't do the job. 

 

I have a second new GT battery that is only 235 CCA.  When I hook both to it, she starts up fine with the combined 500CCA.  And I'm talking cold this morning at just 17F when it cranked fine on the one GT battery with shaft off the engine.  In warm weather, a GT battery would be plenty.



#143 Cvans OFFLINE  

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Posted November 29, 2013 - 12:56 AM

I got the surprise of my life today when I went out to start the stone cold D950. I think it was in the twenties and it started right up. The Marvel in the fuel must be doing some good. The more I run this engine the happier I am.  I like diesels and an easy starting diesel is great. Good to hear your fires right up also. 



#144 olcowhand ONLINE  

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Posted November 29, 2013 - 08:06 PM

I'm off farm duty tomorrow, but the day is split down the center for another (late) Thanksgiving dinner around noon.  But I'll get out in the morning to get some work done to the HD-12D.  Hoping to get the air filter housing bracket built & filter mounted, and maybe get the exhaust at least started.  Hopefully more after the dinner, but then I may be too full from eating to do anything then!  :D


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#145 IamSherwood OFFLINE  

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Posted November 29, 2013 - 08:24 PM

Pretend to eat your turkey, and slip it into your pockets, so you don't

get full and tired. You can always eat it later when you're out in the shop.


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#146 twostep OFFLINE  

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Posted November 30, 2013 - 12:14 AM

DUH....it's dragging a COLd STIFF hydro!

 

I got the surprise of my life today when I went out to start the stone cold D950. I think it was in the twenties and it started right up.  

 

So both of you have me thinking... I read all the time about people with Kubota's having a hard time with the starters. Yet my Z500 cranks and fires like a champ (granted I do have a 500+ CCA battery) BUT mine is a geared tractor which means it is clutched and seeing no hydro resistance during starting. Now I wonder how much that has to do with others starter problems.



#147 olcowhand ONLINE  

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Posted November 30, 2013 - 08:36 AM

Bobby, in cold weather it IS more load on the starter, but in hot weather, not much resistance from the hydro at all.



#148 SupplySergeant OFFLINE  

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Posted November 30, 2013 - 10:19 AM

Bobby, in cold weather it IS more load on the starter, but in hot weather, not much resistance from the hydro at all.

If you wanted to run this as a winter tractor, could you put in a clutch like my JD140? I know it's heresy to mention JD in this thread, but good ideas are universal, right ;) ?


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#149 Texas Deere and Horse OFFLINE  

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Posted November 30, 2013 - 11:25 AM

If you wanted to run this as a winter tractor, could you put in a clutch like my JD140? I know it's heresy to mention JD in this thread, but good ideas are universal, right ;) ?

 

Josh, I suggested the same thing, but Daniel said it's easier to just use a bigger battery.


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#150 olcowhand ONLINE  

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Posted November 30, 2013 - 12:30 PM

Josh, I suggested the same thing, but Daniel said it's easier to just use a bigger battery.

 

Yes, as many things that have to be figured out, having to engineer more than absolutely needed isn't something I want to do.  A bigger battery is by far easier, and the battery box is built for a full size one anyway.  

  I got the exhaust almost finished, and started on the air filter mounting.  After our family dinner I'll come back & get some more done.  Pics will follow.  :thumbs:


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