NLC Posted December 30, 2018 Share Posted December 30, 2018 I have a b61 with a endt675 engine Tri-plex trans and 6:34 ratio rears. Top speed now about 43 mph at 2100 rpm. What ratio could I go to and Still keep good pulling power and go 60 mph. Pulling a small lowboy and D5 dozer. Quote Link to comment Share on other sites More sharing options...
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