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Old 07-14-2019, 10:52 AM   #1
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MT643 !ines
Can anyone tell me what size my transmission lines are on a 95 international DT408 MT643 trans? I'm wanting to add an additional trans cooler because Kolbe towing stuff and I live near the mountains so want to keep it cool

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Old 07-14-2019, 11:04 AM   #2
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Should all be 8-an.....
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Old 07-14-2019, 11:26 AM   #3
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Join Date: May 2009
Location: Columbus Ohio
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Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
the MT643 has #12 ORB fittings for the cooler lines. these fittings are usually adapted down to a #8 JIC and then run up to the radiator..
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Old 07-14-2019, 12:08 PM   #4
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Okay the connection is 8n so what size hose barb do I need 8n x ?
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Old 07-14-2019, 12:40 PM   #5
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Join Date: May 2009
Location: Columbus Ohio
Posts: 19,714
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
here is the fitting I used coming off of my MT643 to go to the line.


https://www.grainger.com/product/4VT...f5214a735fe666


it is a 7/8-14 Thread
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Old 07-14-2019, 01:12 PM   #6
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Awesome thanks!!!!
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