TRNW-2: 6R140 clutch clearances

[Steve Everett]

  That is the same info I have from Atra,  just doesn't make sense to me

   Steve

On Mon, Dec 8, 2025 at 11:33 AM <greg at allianceautoworks.com> wrote:

> Got this from prodemand. It shows tight clutch clearances.
>
>
>
> *From:* trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> *On Behalf Of *Steve
> Everett via trnw2
> *Sent:* Monday, December 8, 2025 11:11 AM
> *To:* Technical Discussion Forum <trnw2 at trnw.net>
> *Subject:* TRNW-2: 6R140 clutch clearances
>
>
>
>   I'm in the process of building a 6R140 unit that was a BD Diesel unit,
> they use their own machined pressure plates in the forward drum, OD drum
> and intermediate drum, and were using some thinner steels to add more
> clutches,   I'm building it using GPZ clutches and original thickness
> Kolene steels,
>
>
>
>   I'm having an issue getting my clutch clearances right ,  according to
> some ATRA info I have the forward,direct and intermediate should have a max
> of .021 clutch clearance ?   which doesn't sound right to me ?   I've
> managed to stack up each with about .010 clearance per clutch , which in my
> mind is okay ?
>
>
>
>    I've built a couple of these before, but always using stock steels and
> clutches, and don't remember what clearance I had with those ?
>
>
>
>    Looking for opinions from those who've done some of these
>
>
>
>    Steve
>
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