I bought a Ford 860 about 9 months ago; it has been a great tractor so far. I do not use it a whole lot, but when I need it I have not had any issues with it. I own a small business and use the tractor to remove snow from the lot. With the frigid weather I have kept the battery charger on it and a couple times a week I go out and make sure it will start, allowing it to run a few minutes to warm up. The last time I did this oil began pouring out of the oil breather filter cap, the oil appeared to be a little milky. I changed the oil not that long ago. The tractor started and ran fine. Appreciate any guidance, I will need this tractor soon!
- Thread starter acschimpf
- Start date
Janicholson
Well-known Member
Milky oil is an indication of water, or coolant in the oil. Do not operate it until it is diagnosed and fixed. Coolant
contaminated oil rips out lower end bearings every time. The oil in the crankcase has filled up the entire lower part of the
engine. Do not even run it to get it inside. Jim
contaminated oil rips out lower end bearings every time. The oil in the crankcase has filled up the entire lower part of the
engine. Do not even run it to get it inside. Jim
Russ from MN
Well-known Member
- Location
- Bemidji MN
Running it a few minutes in cold weather is probably what has made the oil milky, it's full of condensation. You shouldn't start it unless
your going to use it for a a longer period of time. It would be best to have some kind of heater on the engine to preheat it
your going to use it for a a longer period of time. It would be best to have some kind of heater on the engine to preheat it
Russ from MN
Well-known Member
- Location
- Bemidji MN
I wasn't sure what you meant by oil filter breather cap, but by all means, if it's over full with milky oil Jim is correct, don't start it!
Steve@Advance
Well-known Member
Check the oil level, probably find it way over full.
Crack the drain plug loose and see if you get water or antifreeze.
Sounds like the engine has filled with water or coolant. Also possible the
crankcase breather is frozen if it was well below freezing.
Crack the drain plug loose and see if you get water or antifreeze.
Sounds like the engine has filled with water or coolant. Also possible the
crankcase breather is frozen if it was well below freezing.
used red MN
Well-known Member
- Location
- Coon Rapids, MN
Hello ACS welcome to YT! It seems that antifreeze or
coolant in your oil is likely your problem. Usually on old
tractors this is caused by orings for the cylinder
sleeves that contain the coolant from leaking between
them and the cylinder block. Unfortunately your tractor
is what is called a ..parent bore.. engine. This means
the pistons ride in cylinder bores cut right into the cast
block, so it does not have ..sleeves.. This means that
the head gasket has went bad. Or worse case the
antifreeze was not strong enough and the engine
coolant passage in the block broke due to the coolant
freezing and let coolant get in the oil. I am attaching a
link to the engine parts diagram for your tractor. If you
click previous at the bottom you will see the engine
block and other external engine parts.
Ford 860 engine parts diagram
coolant in your oil is likely your problem. Usually on old
tractors this is caused by orings for the cylinder
sleeves that contain the coolant from leaking between
them and the cylinder block. Unfortunately your tractor
is what is called a ..parent bore.. engine. This means
the pistons ride in cylinder bores cut right into the cast
block, so it does not have ..sleeves.. This means that
the head gasket has went bad. Or worse case the
antifreeze was not strong enough and the engine
coolant passage in the block broke due to the coolant
freezing and let coolant get in the oil. I am attaching a
link to the engine parts diagram for your tractor. If you
click previous at the bottom you will see the engine
block and other external engine parts.
Ford 860 engine parts diagram
timcasbolt
Well-known Member
I don't like to start an engine unless I'm pretty sure I can leave it running long enough to open the thermostat.
Uncle murph
Member
Its busted,prepare your wallet for a proper thrashing!
caterpillar guy
Well-known Member
I'd start by checking oil level then look in radiator for full or low. If low then you probably have your answer. If full and oil level is in proper range then take oil cup off air cleaner and have a look see. Probably need changed and washed out then filled with new oil. New oil filled to fill line on cup then with it put back on don't start unless you sre going to use it till it is warmed up sufficiently to evaporate condensation if possible.
Caution oil cup might be froze on air cleaner if it is the problem. You could also just take the hose connection off the carb to air cleaner to see if your oil blow is just in the air cleaner if there is no oil problem with it disconnected. Don't run for extended periods with air cleaner disconnected though.
Caution oil cup might be froze on air cleaner if it is the problem. You could also just take the hose connection off the carb to air cleaner to see if your oil blow is just in the air cleaner if there is no oil problem with it disconnected. Don't run for extended periods with air cleaner disconnected though.
wilson ind
Well-known Member
Please tell what is an oil filter breather cap?? I have had many engines 20 road tractors and farm tractors with external oil filters. Never seen a breather on an oil filter. Reminds me of the story of a lady wanting to buy an LIO cap for her engine.
I will attach a picture of the oil breather cap. I have not re-started the tractor. I checked the coolant level, it was full. I have not added any in quite a while. I also drained some oil out and it looked clean and was not milky. When the oil was pouring out the breather cap, I grabbed a bucket to keep it off the floor and I now think there was water or something in the bucket which caused the milky appearance. I can have the oil checked, but I'm still confused why it would suddenly start pouring out this cap? I had used the tractor recently to haul a trailer and parked it in my garage when done and not a drop on the garage floor. I moved it back to the shed and 4 days later started it to make sure it was ready for snow removal, and oil starting pouring out.
showcrop
Well-known Member
No one other than Wilson needs a picture of your oil breather. My main question is what is your definition of "pouring? I don't believe that you have oil pouring out. I think that it is just slobbering oily water foam from condensation which is not unusual under adverse operating conditions. If you would tell what your oil level is that would verify or disprove a lot of the hypotheses that you have gotten. I don't believe that you have a problem.
Update:
Based on your guidance, yesterday I checked the oil, it was actually over-filled, but the oil on the dipstick was very clean. Checked the coolant, it was full. I started up the engine and oil again was "pouring" out the breather cap, I did not turn it off immediately and it stopped after about 10 seconds. I increased the throttle and the oil started leaking out again so I took it back to idle and let it run about 15 min. Engine was running very smoothly. I again increased the throttle and it was much less oil but it still leaked out. I let it run another 15 min and repeated and at the same higher RPM now the oil stopped. I got the tractor out and ran it around a while moving a trailer and a plow, all together it ran for 45 min or so. I shut it down and checked the oil again. Still just above the full mark, oil very clean. Then I took the bucket I used to collect the spilled "liquid", and instead of immediately putting it in containers for re-cycle, I took it out in the bright sun and examined it, it was hardly oil. It had the consistency if iced tea but was much darker. It was about 1/2 a quart and I would say 80% water. The tractor sat overnight and this morning there was not a single drop of oil on the floor under it. In the future I will make sure whenever I start the engine that I do some work with it and let it get up to operating temperature.
showcrop
Well-known Member
Whatever that dark watery fluid is, it is not lubricating your motor at all. You need to change your oil before running it any more. Check a small amount of it for flammability, and set a small sample in a clear container on the windowsill where you will be able to see separation to tell if it is coolant. Short runs will put both gas and water in the crankcase.
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