Offshoreonly.com - Differences in TRS drives

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djtalon

07-11-2006 07:47 PM

Differences in TRS drives

what are the differences over the years? Gear ratio?
Diff between TR and TRS?

thanks

Biggus

07-11-2006 08:45 PM

Re: Differences in TRS drives

All TRS drives are 1.5:1.

All TRS from 1977-1993 are the same with the exception of the input yoke. (MercTrans used a female spline)

TR drives are 2:1, much deeper lower unit, can swing a 20" prop. Mainly found on cruisers and houseboats.

cuda	07-11-2006 09:09 PM

Re: Differences in TRS drives

TRS stands for transmission sport I heard. Like Biggus said, the TR's were deeper cruiser type drives.

Biggus

07-11-2006 09:19 PM

Re: Differences in TRS drives

Also the TR and TRS share the same upper unit.

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