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International Automotive Technicians Network
Re: 2007 Allison 2400
Posted to HD/Fleet Forum on 9/1/2020

I don't know the capacity for this, nor do I have any currently, but I wouldn't do that "factory fill" method on this particular transmission. Once you get close to full, the fluid level changes FAST. Differences in OEM plumbing and coolers make a tremendous d... Login to read more.