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D4D with "water in the oil"

D4D with "water in the oil"

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LangdonStevenson
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I was browsing dozers for sale and saw a D4D going cheap with the ominous words: has water in the oil on the ad.  Does anyone feel like speculating on possible causes and their seriousness?

I'm thinking: blown head gasket, or cracked head, or cracked engine block, with the first being minor, the second being serious, and the third being major.

Thoughts?

 
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Mon, Mar 6, 2023 2:20 PM
PhilC
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Could also be the seals on the bottom of the sleeves. Maybe an internal leak in a heat exchanger although that usually ends up with oil in the water.
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Mon, Mar 6, 2023 3:30 PM
LangdonStevenson
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Reply to PhilC:
Could also be the seals on the bottom of the sleeves. Maybe an internal leak in a heat exchanger although that usually ends up with oil in the water.
PhilC - ok that's interesting to know (and would go on the "major" list).
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Mon, Mar 6, 2023 5:20 PM
ctsnowfighter
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Reply to LangdonStevenson:
PhilC - ok that's interesting to know (and would go on the "major" list).
RED Flags - How Much Water is in the Oil? How Much has it run with water in the oil? Any bubbles in radiator?
Bearings and Water are not very compatible - you might be looking at a Major Overhaul anyway you go,
As with anything - you should fully access the condition of the entire machine - Sometimes CHEAP means, I want more than junk price and rid myself of a headache!
CTS
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Mon, Mar 6, 2023 8:40 PM
LangdonStevenson
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Reply to ctsnowfighter:
RED Flags - How Much Water is in the Oil? How Much has it run with water in the oil? Any bubbles in radiator?
Bearings and Water are not very compatible - you might be looking at a Major Overhaul anyway you go,
As with anything - you should fully access the condition of the entire machine - Sometimes CHEAP means, I want more than junk price and rid myself of a headache!
CTS
CTS - I don't know the answers to any of those questions sorry - I've only seen the brief description in the add and haven't talked to the owner about it.  I think that you are right to say that you would have to assume that it would require a major overhaul of the engine (as well as anything else it might require).
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Tue, Mar 7, 2023 5:54 AM
trainzkid88
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Reply to ctsnowfighter:
RED Flags - How Much Water is in the Oil? How Much has it run with water in the oil? Any bubbles in radiator?
Bearings and Water are not very compatible - you might be looking at a Major Overhaul anyway you go,
As with anything - you should fully access the condition of the entire machine - Sometimes CHEAP means, I want more than junk price and rid myself of a headache!
CTS
a family friend had a issue with her benz and water getting to the oil, we added a bottle of nulon engine sealer and it fixed it so some times they are a easy fix. yes many mechanic in a bottle remedies are just band-aid solutions.

really untill you see the machine you cant tell anything. it might be simple it might be a full rebuild.
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Tue, Mar 7, 2023 6:06 AM
LangdonStevenson
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Reply to trainzkid88:
a family friend had a issue with her benz and water getting to the oil, we added a bottle of nulon engine sealer and it fixed it so some times they are a easy fix. yes many mechanic in a bottle remedies are just band-aid solutions.

really untill you see the machine you cant tell anything. it might be simple it might be a full rebuild.
Trainzkid88 - true, from what has been said though, I have a feeling that assuming it will be a full rebuild is the safe assumption.
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Tue, Mar 7, 2023 6:12 AM
trainzkid88
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Reply to LangdonStevenson:
Trainzkid88 - true, from what has been said though, I have a feeling that assuming it will be a full rebuild is the safe assumption.
its a how longs a piece of string situation. which is twice the length from the middle to the end.
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Tue, Mar 7, 2023 2:55 PM
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