lynn Posted April 7, 2012 Share Posted April 7, 2012 I have a pr100 bus with a reduction hub rear end . Is there a way to increase the top end speed thru the hub gears or only by the diff .It has a VOITH 3 speed auto 1st 5.05 2nd 1.36 3rd 1.00 rev.3.66 engine speed is 2100 rpm and a top speed of 84 km/h. the rear axle is px1021- hub reduction and diff. ratio of 5.12:1 (2.56D/2.00H) Quote Link to comment https://www.bigmacktrucks.com/topic/24376-mackrenault-diffs-axles/ Share on other sites More sharing options...
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