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Rear gear ratios for medium/heavy duty trucks
It seems as though they commonly run from around the mid 3.xx into the 5.xx, though I think I can remember reading of a 2.90 in an OTR tractor. Maybe they meant 3.90?
I am looking into the plausability of finding axles, preferably with hydraulic only brakes (long shot?), that have good ratio availabilioty in the 2.50-3.25 range.
I believe a Dana 135 can be had with as high as a 3.08. How about the heavy duty stuff or any other medium duty stuff whether immediately feasible to fit under a one ton pick up or not?
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