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Old 10-23-2019, 11:39 PM
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northernredneck northernredneck is offline
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Default Thermo king/yanmar motor
I have come upon a 2 cyl Thermo king/ Yanmar diesel motor. I am barely able to find any sort of rebuild kits/info for this motor TK 2. 49E on the Thermo king data plate and 2TNE66KC-ETK2 on the Yamnar data plate. I'm wondering if anyone with more knowledge than me, knows if this is a possibility to swap (barring a different oil pan) or if this is going to be a total waste of time. Yes I am willing to commit the time and money to this if it is at all possible. Thanks in advanced for any and all guidance.
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Old 10-24-2019, 07:05 AM
R Bedell R Bedell is offline
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Quote:
knows if this is a possibility to swap
To what....???

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Old 10-24-2019, 07:53 AM
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northernredneck northernredneck is offline
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To what....???
Sorry about that, I would be trying to stuff it into a 102.
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Old 10-24-2019, 07:56 AM
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cooperino cooperino is offline
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Is that a liquid cooled engine?
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Old 10-24-2019, 08:46 AM
mickb72 mickb72 is offline
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Is that a liquid cooled engine?
Yes, i would say so. Those old Yanmars had no water pump. They worked on a thermo syphon system threw the radiator.
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Old 10-24-2019, 09:02 AM
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Yes, i would say so. Those old Yanmars had no water pump. They worked on a thermo syphon system threw the radiator.
Oh yeah,, Your bringing back some ugly memories now. Thermo siphon nightmares is more like it. I remember if you didn't get it just right it would cause issues. We used to install an electric water pump to cure the overheat issues on them. That is going back to the mid late 80's. Think they started using actually water pumps in the late 90's or so
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Old 10-24-2019, 10:10 AM
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Oh yeah,, Your bringing back some ugly memories now. Thermo siphon nightmares is more like it. I remember if you didn't get it just right it would cause issues. We used to install an electric water pump to cure the overheat issues on them. That is going back to the mid late 80's. Think they started using actually water pumps in the late 90's or so
As I'm sure you know thermo siphon was one of the early forms of cooling.
going back to early 1900's and before.
All that said,thinking that power plant is a little big for a small frame cub.
But measurements will tell the true story.
It would be an oddity for sure.
Someone with cad/cam might have fun playing with a design.
Not me, I grew up with verniers, slide rules and T squares.
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Old 10-24-2019, 10:25 AM
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As I'm sure you know thermo siphon was one of the early forms of cooling.
going back to early 1900's and before.

Yup. Luckily I only witnessed it in person on one of these Yanmars.
Never could understand why they would have used such an antiquated system on a modern engine.
George, Since your old enough to have seen some of these systems when they was new? How well did they work back then? Was they always a pain in the butt?
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Old 10-24-2019, 02:32 PM
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My first diesel mower was a Cushman,,
It had a horizontal engine with the cylinders laying down,, there was a box shaped radiator above the two cylinders,,

The top of the engine was completely open, probably an 8X8 inch square.
The rad bolted to that, the engine and radiator were then filled with water,,

The hot water would rise, the radiator would cool that water,,

It was a pretty foolproof system,, no hoses, no pump,,
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Old 10-24-2019, 06:27 PM
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a lot of 2 cyl John Deere tractors are running and they are thermo siphon.
Just like the ford model "T"
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