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Which antifreeze is best??


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What do you run in the rest of your equipment?

 will you stock different coolants for different pieces?

 keep it simple, use what you have been using.

If you currently are running all different colors/ types consider switching all your equipment to dexcool.

 did the dexcool switch about 7 years back .

 Best move ever. now all trucks, tractors, light trucks and associated equipment use the same stuff in the radiator.

 I get the 55 gallon drums of premix, less hassle with keeping solution strength up to specs. Also, when was the last time you mixed full strength antifreeze with distilled water, you most likely used what comes from the hose.

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Supermechanic, that is a good idea. Green in most of the equipment except for vehicles. Does GM/dexcool have the good stuff to help out with electrolysis (if it does) and lime scale buildup? You're correct on the full strength coolant. Usually just gets the hydrant water added, which is full of crap.

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As I understand it (as explained to me by the man who supplies all my fluids), electrolysis and corrosion occur mostly in systems that have a lot of dissolved air in the coolant solution.

 So , if you have a system that leaks, and requires frequent make-up fluid, or have a consumption problem, which also necessitates frequent addition of coolant, you will find that no manufacturers product will offer proper protection.

  The thing to remember, all coolants require replacement as the chemical additives are depleted.  A good reading on the hydrometer only indicates freeze protection, you can have worn out fluid that won't freeze till -40.

  There is also a new trend towards the ELC (extended life coolant) that is marketed by Caterpillar. I have insufficient experience with this product to say whether it is the way to go.

If you keep it fresh, keep it clean,and keep it full  you should have very few problems.

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..it certainly does.......and when you have blokes working with you.....who have zero interest in'your ' equipment...the pre mixed product  at least means the ''coolant hygiene '' is addressed   correctly.....

Mike

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  • 2 weeks later...

I will only use fleetgaurd eseg complete antifreeze in our wet sleeve engines. We use drain antifreeze in anything else at the farm that we get from a junkyard or drained from one of our wet sleeve engines. This helps "blend" our price down . 

I would consider adding the filter setup for added protection

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  • 1 month later...

Use the coolant Cummins currently recommends. It was found that some additives, hard water, and sometimes low temperatures could cause silicates to precipitate and plug radiators and coolant passages. The stuff Cummins currently recommends takes care of this problem.

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  • 1 month later...
On 6/1/2021 at 9:15 PM, bitty said:

We use drain antifreeze in anything else at the farm that we get from a junkyard or drained from one of our wet sleeve engines. This helps "blend" our price down . 

Just because you have freeze protection doesn't mean you have complete protection obtained by new coolant at prescribed intervals. But it's your call. 

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Ive switched everything over to FinalCharge which is OAT extended life coolant and had no issues. 

Dont have an issue with green but its nice to not worry near as much with coolant maintenance.  

Cavitation issues are much more of a rarity now that ELC is mainstream.  

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