steven in Ohio
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What gear ratio is in 915a3? I have a new Allison 4560 with a .67 overdrive that I want to put in my Freightliner 120. Truck has 3.73 ratio and a new 12.7 jacked up a bunch and a single axel. Hoping to be at 70 at around 1500 rpm. What top end would that be? And, are there any 915a3s on the market? I saw WV had 916a3s and they put snow plows on each.