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Engine will no turnover
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JC-WI View Drop Down
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Joined: 11 Sep 2009
Location: wisconsin
Points: 33779 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JC-WI Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 7:42am
Yea, does the water pump or the generator/alternator turn freely?
  Could the camshaft have gauld in the bearings?
can he wiggle the governor to feel gear teeth backlash?
Looking at the 'fork, the weld looks funky, like somebody welded a new fork on, would have thought a factory weld would have been soother than that.  Wait, weren't those forks bolted on so you could remove them to replace seals and bushings?  Where did the screws/bolts go to?
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Joined: 12 Sep 2009
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Points: 22253 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jaybmiller Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 7:50am
Is that yellow snot some previous liquid 'gasket' material ???
3 D-14s,A-C forklift, B-112
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Joined: 12 Sep 2009
Points: 20183 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 7:53am
This is getting ugly. Got the oil pan off with conn rods disconnected. Sure hope all the rod caps got marked.
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Points: 80147 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 8:25am
you pulled the rod caps off and the pistons "MOVE"... but how much and what direction     ... Is it worth pulling the valve cover off and looking at the valves to see if one dropped ?

When you say the motor "will not turn".. is that not at all, or several degrees in one direction and then back ?
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Joined: 08 May 2020
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Points: 748 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 8:41am
Originally posted by JC-WI JC-WI wrote:

...  Wait, weren't those forks bolted on so you could remove them to replace seals and bushings?  Where did the screws/bolts go to?

Yikes! Where indeed?
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 12:41pm
It does have a loader with an internal hydraulic pump. The fan does move.
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Joined: 11 Sep 2009
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Points: 80147 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 12:47pm
the fan turning proves that the water pump is not locked up... Why DR asked about the loader is that many have a hydraulic pump driven off the front of the crank... and the PUMP can lock up and cause the engine to NOT turn over...... maybe loosen up / remove the drive coupling / etc and test...

same thing with an alternator or air conditioner.. If they LOCK UP, that can cause the engine problem..


Edited by steve(ill) - 19 May 2024 at 12:49pm
Like them all, but love the "B"s.
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Chugach View Drop Down
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 2:27pm
Tractor has a loader with an internal hydraulic pump. Fan does turn.
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Lars(wi) View Drop Down
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Joined: 14 Sep 2009
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Points: 7072 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lars(wi) Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 2:34pm
Originally posted by Chugach Chugach wrote:

Tractor has a loader with an internal hydraulic pump. Fan does turn.

Make sure the fan is not slipping on the belt, if possible check somehow, when turning the fan and belt, the crankshaft is also turning.
I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 3:37pm


Thank you everyone for your input, what a great blog! Anyone want to buy a slightly used D15 I tried to wiggle governor, no wiggle. I believe the yellow snot is old gasket. I am not sure about welded forks, previous owner. I moved pistons up down slightly. The motor does not move also cam pulley for fan.
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Joined: 11 Sep 2009
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Points: 80147 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 4:08pm
what is driving the loader pump ?  Somehow it gets rotation from the engine..
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Chugach View Drop Down
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 4:27pm


This is the hydraulic line.
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Joined: 08 May 2020
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Points: 748 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 5:57pm
Originally posted by Chugach Chugach wrote:

... I tried to wiggle governor, no wiggle...

Hmmm... Ouch
If the trouble lies elsewhere such as the hydraulic pump being locked up, etc. there should still be at least a smidgen of backlash between those gears, especially on a well-used engine such as yours.

Looks like the front of the engine may need to come off Cry
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 7:28pm
Yeah unfortunately that seems to be the road ahead. I do appreciate everyone’s suggestions. My only wish is that I had put a t on the end of the NO so the title read “Engine will not turnover”
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Joined: 11 Sep 2009
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Points: 51353 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 19 May 2024 at 8:34pm
Another long shot would be a snapped cam shaft, or some kind of debris in the gear train...Wink
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 5:03pm
I put a big pipe wrench on the camshaft pulley, went counter clockwise and got 3/4 turn and it stopped.
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Points: 80147 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 5:39pm
crankshaft pulley ?

have someone watch the valves and see if both ends of the camshaft are moving ( not broke)... valves moving on both ends (#1 and #4)..?  


Edited by steve(ill) - 20 May 2024 at 5:42pm
Like them all, but love the "B"s.
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Joined: 12 Sep 2009
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Points: 22253 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jaybmiller Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 5:50pm
I put pipe wrench on PTO shaft, engaged PTO, tranny in neutral,.....to turn engine over.
That was 24 years ago....
You have pulled all the spark plugs out ??
3 D-14s,A-C forklift, B-112
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Joined: 21 Mar 2019
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Points: 498 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8070nc Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 6:35pm
I may have missed something. If i did overlook this. I believe id tie the clutch down and make sure its not something in the drive line
1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 6:42pm


I need to get my eyes checked. Seems like something is missing.
Again thank you all very much for your help.
Chugach
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Points: 20183 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 6:45pm
BINGO !! dropped the number 1 exhaust valve. Will need at least one piston and head repairs.
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Points: 498 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8070nc Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 8:24pm
Not a great turn of events but im glad you found it
1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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Joined: 11 Sep 2009
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Points: 80147 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 8:29pm
how may hours on the engine ? .... Head will be off... is it worth doing a valve job and    pulling all the pistons / new rings ??
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Points: 20183 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 8:38pm
There was a time 40 yrs ago when you could have bought one piston and maybe one sleeve. In recent years buying a "motor kit" was impossible as no one even made them for a G-160 engine. Don't know if that is still true or not.
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Joined: 11 Sep 2009
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Points: 80147 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 9:47pm
You can buy a "KIT" for a complete overhall... Dont know if you can get one piston or not.. or if it would match the original ???..... Unless you get a used on on e-bay.




Edited by steve(ill) - 20 May 2024 at 9:48pm
Like them all, but love the "B"s.
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Joined: 11 Sep 2009
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Points: 80147 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 20 May 2024 at 10:00pm
Like them all, but love the "B"s.
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 2024 at 3:11pm
Thanks for the piston sites. I blew a head gasket last year, and had the head resurfaced and new valves. I did not replace the pistons. I am just glad I didn’t rip into the timing gear cover.
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Points: 9188 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Fred in Pa Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 2024 at 7:43pm
This was one of my customers last fall . MF 65 176 Cont. Gas .

He was bush hogging when valve dropped  .

Don't forget to pull rocker arm assembly apart. 

 
He who dies with the most toys is,
nonetheless ,still dead.
If all else fails ,Read all that is PRINTED.
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 2024 at 7:55pm
Wow! That’s what I have to look forward to. Thanks for the advice and pictures! 40 degrees and rain today, not conducive for playing with tractor. I will attach pictures of my dilemma. I have high hopes that all I have to do is replace the valve … just kidding!
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Joined: 30 Nov 2023
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Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chugach Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 2024 at 7:58pm
Mine happened after removing 3 1/2 feet of wet November snow from driveway. But when I gave it a break and restarted.
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