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lorenr · 12-06-2019, 06:38 PM

I don't know much about the Duramax Allison, but I've needed to service both the Allison 3000 & Allison 4000.
When Allison switched from Dextron ATF type fluids to their Transynd fluid, I noticed the stuff is very thick and probably won't flow through most standard transmission filters.
Kind of an odd type fluid, but if you regularly maintain the 3000 & 4000, they are literally indestructible. Kind of need to do what they say.

Loren

12-06-2019, 06:38 PM	#7
lorenr Junior Member Join Date: Jul 2014 Posts: 48 Likes: 259 Liked 19 Times in 9 Posts	Re: Duramax Allison issue I don't know much about the Duramax Allison, but I've needed to service both the Allison 3000 & Allison 4000. When Allison switched from Dextron ATF type fluids to their Transynd fluid, I noticed the stuff is very thick and probably won't flow through most standard transmission filters. Kind of an odd type fluid, but if you regularly maintain the 3000 & 4000, they are literally indestructible. Kind of need to do what they say. Loren