Gear ratios for YD25 D22????

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docp1980

docp1980

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Does anyone know what the gear ratios are for a Y25 D22 transmission? As far as I can work out so far, the diff ratios are 4.6:1 and transfer case is 2:1. I am trying to work out exactly what my crawl ratios are going to be if install a set of 3.92:1 reduction gears in the transfer case. Crawl ratio = transmission ratio x transfer case ratio x diff ratio?????

Cheers!

Matt
 
Cheers mate, looks like my current 1st low would be inbetween 2nd and 3rd, 4th would be the same as my current 2nd and 5th would be slightly lower than my current 3rd.
 
The first lot of CRD YD25 powered D22's came out with 4.375 diff gears like the ZD30.

The next lot came out with 3.9 diff gears.

The current batch from what looks like sometime in 2009 they changed them to 4.625 gears.
 

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