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how long does it take to seat engine

T

tired1

Member
Looking at a 986 loader tractor. I'm told
75 hr or more it was overhauled. The
Is still oil leaking oil where the muffler
Hooks on, also oil on/from the oil
cooler also. Tractor was used for the
75 hrs. It has been put on dyno which
"Helped some" they tell me it needs
To be taken out and pulled.
Also found out the rear seal went out
Clutch got oil, so they redone it.

Shouldn't it have seated by now?
I also thought if it seats, it would
Not leak on either a load or idle.

Thanks for the input
 
My 766 doesn't use any oil working, but if you idle it around for hours doing loader work or on the wood splitter it will leak oil out the exhaust down over the oil cooler. IH engine's like to work hard. Kent
 
That is 100% NORMAL. Diesels don't like to putz around doing light duty.

Get it to the field and make 'er pull. That "slobber" will go away.

Allan
 
I would imagine they are trying to sell you their problems. Unless the price is right for a tractor with engine trouble, I would also pass. I have only seen one IH diesel do that, it was a 966 that sat dead for ten years and slobbered oil when it fired up again. Dripping heavy tar-like crap out onto the oil cooler for about two hours of putting around after it started. It cleaned up in about 15 minutes pulling a six row planter.
 
If those hours have not been with a load on engine it could well take a couple hundred hours to seat the rings. Those engines use chrome rings and it they are not loaded at least half load they will take a very long time to seat.

We had a customer that bought a 986 and thought he was doing good for the tractor by running it on a bale elevator. At two hundred hours it was still using about a gallon of oil in 10 hours. When we got him to hook it to a plow it corrected itself within 25 hours.
 
I'm getting the impression here that if you plan to use it mainly as a loader tractor, you are looking at the wrong tractor. It may never seat the rings and keep them seated if you don't work it hard most of the time.
 
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