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Re: C5500 Duramax 4spd Auto Durability?
Posted to HD/Fleet Forum on 1/31/2009 1 Reply

In my very narrow-minded opinion, the transmission hasn't the torque capacity nor sufficiently filtered fluid for anything remotely close to hard work. I can't conjure up the hydraulic schematic in my head, nor remember all the details, but I'm fairly sure mo... Login to read more.

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