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Enny910 View Drop Down
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Joined: 02 Jul 2025
Location: Canada
Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Enny910 Quote  Post ReplyReply Direct Link To This Post Topic: Hey
    Posted: 03 Jul 2025 at 8:18am
I have to remove the radiator from my 7040 for repair and was wondering which brand/type of coolant you recommend as a replacement for the old green that's in there now. It does not have a coolant filter.
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8070nc View Drop Down
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Joined: 21 Mar 2019
Location: North Carolina
Points: 646 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8070nc Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jul 2025 at 10:26am
I run heavy duty diesel coolant that has the additive that prevents liner pitting. Its called something like sca. Cant remember the exact name of the additive
1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor
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Ky.Allis View Drop Down
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Joined: 31 Jan 2010
Location: Kentucky
Points: 1034 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ky.Allis Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jul 2025 at 12:46pm
I use JD cool guard simply because it's the closest to me. It's pre-mixed and makes it simple to use. Not cheap, but what is anymore. 
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Allis dave View Drop Down
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Joined: 10 May 2012
Location: Northern IN
Points: 3074 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Allis dave Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jul 2025 at 1:59pm
whatever you get needs to be heavy duty wiht additives to prevent cavitation. The JD coolant is good. Case IH also has coolant the Dr Allis recommends
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8678 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jul 2025 at 8:47pm
Drain and flush the green out including the heater hoses and put the red "diesel " antifreeze in. The 2 don't play well together.
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