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8070 motor fail
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bhuffaker1 View Drop Down
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Joined: 03 Jun 2021
Location: Colorado
Points: 38 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bhuffaker1 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2021 at 8:09pm
After much thought and looking into many options I have decided the best decision for me is to go with the 7050 motor.  I feel confident that it was being represented correctly and should go right in with out any problems.

If any of you have any ideas on what I should do to this motor prior to install or after installing please share.

Thanks again for all of your advise.  I have learned so much.

Brad
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ajl View Drop Down
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Joined: 31 Dec 2009
Location: Alberta
Points: 115 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ajl Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2021 at 9:41pm
I also own a an 8070 but with only 3500 hrs.  Given that it is a 4 x 4 it has value.  If I did not want to deal with the rebuild then I would sell it as is and someone else will rebuild.  Then I would proceed to take the money from the sale and the savings from the cost of repairs and buy something with the 8.3 Cummins already in it.    A White workhorse comes to mind.   Would not spend time and effort swapping a different motor in it.  Another option would be to go to a 2wd for baler work which would be cheaper.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8613 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2021 at 10:28pm
...or a CIH  with the Cummins and PS. 7000?series? Neighbor has  3 (2 fwa) older units but seem solid.
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bhuffaker1 View Drop Down
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Joined: 03 Jun 2021
Location: Colorado
Points: 38 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bhuffaker1 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2021 at 12:26pm
Originally posted by ajl ajl wrote:

I also own a an 8070 but with only 3500 hrs.  Given that it is a 4 x 4 it has value.  If I did not want to deal with the rebuild then I would sell it as is and someone else will rebuild.  Then I would proceed to take the money from the sale and the savings from the cost of repairs and buy something with the 8.3 Cummins already in it.    A White workhorse comes to mind.   Would not spend time and effort swapping a different motor in it.  Another option would be to go to a 2wd for baler work which would be cheaper.

Much easier said than done.  Around here a Non-running Allis is yard art...  I would have a hard time selling it if it was running.  I can't imagine selling a blown engine Allis on tractor house and getting much money for it....   If I can get it to run and work again for under 5k that is what I am going to have to do. Hope that makes sense.  
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CORLEWFARM View Drop Down
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Joined: 25 Jan 2011
Points: 115 		Post Options Post Options   Thanks (1) Thanks(1)   Quote CORLEWFARM Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2021 at 6:28pm
Your gonna have less hp,and if you change pumps you will have to change front plate and front cover. You will also have to change manifold or turbo for the muffler and the hole in the hood, and if you keep the 7050 pump you will have to change throttle linkage and put a kill cable.
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bhuffaker1 View Drop Down
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Joined: 03 Jun 2021
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Points: 38 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bhuffaker1 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2021 at 7:08pm
Originally posted by CORLEWFARM CORLEWFARM wrote:

Your gonna have less hp,and if you change pumps you will have to change front plate and front cover. You will also have to change manifold or turbo for the muffler and the hole in the hood, and if you keep the 7050 pump you will have to change throttle linkage and put a kill cable.

I understand I will have less HP.  

Sorry I am so ignorant but what do you mean by the front plate and the front cover?

Hopefully I can figure the rest out. 
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bhuffaker1 View Drop Down
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Joined: 03 Jun 2021
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Points: 38 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bhuffaker1 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2021 at 7:09pm
I M Planning on keeping the Rosa Master pump as I like it better that the touchy Bosch pump if that is what you are talking about?
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CORLEWFARM View Drop Down
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Joined: 25 Jan 2011
Points: 115 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CORLEWFARM Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2021 at 7:34pm
If you keep the rosa you'll won't need to change cover.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
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Points: 8613 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2021 at 10:59pm
You can probably use a fuel on/off cable from a 7000 series...you'll have to fab a way to use yor existing throttle cable but it's not a deal breaker
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GM Guy View Drop Down
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Joined: 31 Jul 2012
Location: NW KS / S.C. ID
Points: 1985 		Post Options Post Options   Thanks (0) Thanks(0)   Quote GM Guy Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jun 2021 at 12:33am
another consideration is a takeout engine from a late N6 combine, swap necessary parts around to bolt it in the tractor.

Are you near Delta and have a neighbor with a airplane cabled down near his shop?
Gleaner: the properly engineered and built combine.

If you need parts for your Gleaner, we are parting out A's through L2's, so we may be able to help.
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bhuffaker1 View Drop Down
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Joined: 03 Jun 2021
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Points: 38 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bhuffaker1 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jun 2021 at 12:46am
No that is not me..  I am about 4 hours away from Delta.  
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bhuffaker1 View Drop Down
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Joined: 03 Jun 2021
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Points: 38 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bhuffaker1 Quote  Post ReplyReply Direct Link To This Post Posted: 23 Aug 2021 at 9:16am
I am knee deep now in the swap.  Not terrible but definately learning alot.

Have a question:

Should I have this flywheel resurfaced?  Machine shop is over  a month behind and I was hoping to get this back together before then?  Here ae some picture of it..  

THOUGHTS??
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
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Points: 8613 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 23 Aug 2021 at 12:43pm
I'm no authority. MACK says you replace that pressure plate,not machine it. the flywheel is only thing that gets machinedand it needs done to specs. It's in the service manual.
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bhuffaker1 View Drop Down
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Joined: 03 Jun 2021
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Points: 38 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bhuffaker1 Quote  Post ReplyReply Direct Link To This Post Posted: 24 Aug 2021 at 1:12pm
Thank you so much SteveM. I ordered a new pressure plate!  I am going to see if the local machine shop can resurface the flywheel.  Would you happen to have the specs?  I do not have a service manual.

THanks
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Joined: 12 Sep 2009
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Points: 8613 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 25 Aug 2021 at 10:20am
Need input from Doc or Mack or anyone else who knows but it seems like they shortened the dimensions up a bit for higher hp tractors.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
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Points: 8613 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 27 Aug 2021 at 11:25pm
send me a PM with a cell or email and I will send you pic of page in manual on flywheel demensions.
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GARY1967 View Drop Down
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Joined: 04 Feb 2012
Location: Indiana
Points: 106 		Post Options Post Options   Thanks (0) Thanks(0)   Quote GARY1967 Quote  Post ReplyReply Direct Link To This Post Posted: 29 Aug 2021 at 11:50am
Hello found rebuilt motor on Craigslist. Not mine.  Not sure if same engine your looking for or not. 
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
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Points: 8613 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 30 Aug 2021 at 8:10am
Been some games played with that one....8000's didn't have roosa pumps.
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Jwmac7060 View Drop Down
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Joined: 04 Jan 2014
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Points: 929 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jwmac7060 Quote  Post ReplyReply Direct Link To This Post Posted: 30 Aug 2021 at 10:51pm
I saw one up at Sumerix that had been switched from the junk ambach to a Roosa master. I personally would've rather has a Roosa
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