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Ford tractor diesel engine

J

JayinNY

Well-known Member
We have a a ford 4600 w/3 cylinder 201 ci diesel. I think it has a blown head gasket, but a friend said that oil in the water means the cylinder sleeve is leaking! I thing these motors are dry sleeve, not a wet sleeve?? Any way there is no water in the bottom end, so can anyone confirm dry or wet sleeve? And how much is a reman cylinder head for that engine? I think my friend wants to buy the tractor for next to nothing, fix it sell it or maybe keep it. I could have first bid on it and either fix engine in it or get a NH creat engine for 4500 or so hundred? I have a 4610 so I don't really need this tractor, but I worked with it for 21 years! And a second 50 horse tractor would make mowing and haying easier! Thanks for any info. Jay
 
I don't think Ford uses sleeves at all. They used to claim it was cheaper to bore an engine if it needed an overhaul.
 
short block about $2800 plus shipping..

its no sleeve at all as its a parent bore block.

it can have a blown head gasket or it can have a pinhole in the block area. 4610 and the 10 series tractors were better know for cavitation and need a special conditioner added to the water to keep the block from pin holeing, however some 4600 blocks did pin hole. so... do you have a bad head gasket, a bad head, or a pin hole in the block?

all 3 can be fixed.
 
Ford's were normally parent bore engines unless they had repair sleeves installed.... and some did come that way from the factory.
If there's no coolant in the bottom end then the block is probably fine.
Get it running and see if it's pushing coolant out the overflow. Look for pressure against the rad cap, bubbles in the rad or plain old black froth in the rad. That would suggest to me that it's got a bad head gasket which is not an entirely uncommon thing with them. It's about a 200 buck fix if you do the labor yourself. Usually it's just a new gasket... and I like to lap the valves and install all new upper gaskets and check the injectors while they're out... Also make sure to chase the head bolt holes with a bottoming tap and clean them good and check the head for flatness with a machinist' straight edge. It may need planing; it may not.
After rereading your post... I'd say it IS a head gasket problem. Just check it out for bubbles when it's running.
Does it puke coolant under load?

Rod
 
Hi rod, how u doin?yes the coolent is frothy with oil, it blows antifreez out of the cap all over the alternator, ect,,,compression blowing into radiator, had a little white smoke ect. If block is ok than I would put in head gasket, and check head, maybe a new head and it'd be ok???
 
Sounds like a head gasket, get the head checked for distortion ,you may not need to buy a new one.. the cheaper option.
 
There's generally no need for planing, leat alone a new head. Just inspect the head closely for cracks then check for flatness with a machined straight edge... and check the block as well.... or at least take the head to a good head shop and have them check it for you. Head gaskets are more or less a rite of passage for 201's on their journey to 10K hours.

You're likely not seeing oil in there it's just combustion byproducts. When you put everything back together get a bottle of cooling system flush (a good commercial product).... something you find at NAPA or a NH dealer. Use as instructed on the label, then flush, flush, flush to get it all out (until it stops foaming).
This is also a good time to take a close look at the water pump (bearing) since you're in that deep anyhow.

Rod
 
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