B1700 turf to R4

Brewer

New member
Oct 4, 2011
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Australia
I have a B1700 HST 4WD (2000~). Does anyone know the correct axle ratio (& tolerance), or what the original turf/R4 sizes were on this machine?

It is currently fitted with Bridgestone turfs in 315/75-15 & 24x8.50-12, but I doubt they are the original size. I want to upgrade to R4s so the factory specs would be a big help in finding a suitable combo.

Thanks!
 
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